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id="toc-For_IR-transmitting_glasses" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#For_IR-transmitting_glasses"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.3</span> <span>For IR-transmitting glasses</span> </div> </a> <ul id="toc-For_IR-transmitting_glasses-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Role_in_ancient_artistry" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Role_in_ancient_artistry"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.4</span> <span>Role in ancient artistry</span> </div> </a> <ul id="toc-Role_in_ancient_artistry-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Miscellaneous" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Miscellaneous"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.5</span> <span>Miscellaneous</span> </div> </a> <ul id="toc-Miscellaneous-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Safety" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Safety"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Safety</span> </div> </a> <ul id="toc-Safety-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Natural_occurrence" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Natural_occurrence"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Natural occurrence</span> </div> </a> <ul id="toc-Natural_occurrence-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Further_reading" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Further_reading"> <div class="vector-toc-text"> <span class="vector-toc-numb">9</span> <span>Further reading</span> </div> </a> <ul id="toc-Further_reading-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">10</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown 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id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 19 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-19" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">19 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%83%D8%A8%D8%B1%D9%8A%D8%AA%D9%8A%D8%AF_%D8%A7%D9%84%D8%B2%D8%B1%D9%86%D9%8A%D8%AE_%D8%A7%D9%84%D8%AB%D9%84%D8%A7%D8%AB%D9%8A" title="كبريتيد الزرنيخ الثلاثي – Arabic" lang="ar" hreflang="ar" data-title="كبريتيد الزرنيخ الثلاثي" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D8%AA%D8%B1%DB%8C%E2%80%8C%D8%B3%D9%88%D9%84%D9%81%DB%8C%D8%AF_%D8%A2%D8%B1%D8%B3%D9%86%DB%8C%DA%A9" title="تری‌سولفید آرسنیک – South Azerbaijani" lang="azb" hreflang="azb" data-title="تری‌سولفید آرسنیک" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Sulfur_d%27ars%C3%A8nic(III)" title="Sulfur d'arsènic(III) – Catalan" lang="ca" hreflang="ca" data-title="Sulfur d'arsènic(III)" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Arsen(III)-sulfid" title="Arsen(III)-sulfid – German" lang="de" hreflang="de" data-title="Arsen(III)-sulfid" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Trisulfuro_de_ars%C3%A9nico" title="Trisulfuro de arsénico – Spanish" lang="es" hreflang="es" data-title="Trisulfuro de arsénico" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%AA%D8%B1%DB%8C%E2%80%8C%D8%B3%D9%88%D9%84%D9%81%DB%8C%D8%AF_%D8%A2%D8%B1%D8%B3%D9%86%DB%8C%DA%A9" title="تری‌سولفید آرسنیک – Persian" lang="fa" hreflang="fa" data-title="تری‌سولفید آرسنیک" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%86%E0%B5%BC%E0%B4%B8%E0%B5%86%E0%B4%A8%E0%B4%BF%E0%B4%95%E0%B5%8D_%E0%B4%9F%E0%B5%8D%E0%B4%B0%E0%B5%88%E0%B4%B8%E0%B5%BE%E0%B4%AB%E0%B5%88%E0%B4%A1%E0%B5%8D" title="ആർസെനിക് ട്രൈസൾഫൈഡ് – Malayalam" lang="ml" hreflang="ml" data-title="ആർസെനിക് ട്രൈസൾഫൈഡ്" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%86%E1%80%B1%E1%80%B8%E1%80%92%E1%80%94%E1%80%BA%E1%80%B8" title="ဆေးဒန်း – Burmese" lang="my" hreflang="my" data-title="ဆေးဒန်း" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="Burmese" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E4%B8%89%E7%A1%AB%E5%8C%96%E4%BA%8C%E3%83%92%E7%B4%A0" title="三硫化二ヒ素 – Japanese" lang="ja" hreflang="ja" data-title="三硫化二ヒ素" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Trisiarczek_diarsenu" title="Trisiarczek diarsenu – Polish" lang="pl" hreflang="pl" data-title="Trisiarczek diarsenu" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A1%D1%83%D0%BB%D1%8C%D1%84%D0%B8%D0%B4_%D0%BC%D1%8B%D1%88%D1%8C%D1%8F%D0%BA%D0%B0(III)" title="Сульфид мышьяка(III) – Russian" lang="ru" hreflang="ru" data-title="Сульфид мышьяка(III)" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Arsenic_trisulfide" title="Arsenic trisulfide – Simple English" lang="en-simple" hreflang="en-simple" data-title="Arsenic trisulfide" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Sulfid_arzenit%C3%BD" title="Sulfid arzenitý – Slovak" lang="sk" hreflang="sk" data-title="Sulfid arzenitý" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Arsen_trisulfid" title="Arsen trisulfid – Serbian" lang="sr" hreflang="sr" data-title="Arsen trisulfid" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Arsen_trisulfid" title="Arsen trisulfid – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Arsen trisulfid" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Arseenitrisulfidi" title="Arseenitrisulfidi – Finnish" lang="fi" hreflang="fi" data-title="Arseenitrisulfidi" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%AB%E0%B8%A3%E0%B8%94%E0%B8%B2%E0%B8%A5" title="หรดาล – Thai" lang="th" hreflang="th" data-title="หรดาล" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Arsenic_trisulfide" title="Arsenic trisulfide – Vietnamese" lang="vi" hreflang="vi" data-title="Arsenic trisulfide" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E4%B8%89%E7%A1%AB%E5%8C%96%E4%BA%8C%E7%A0%B7" title="三硫化二砷 – Chinese" lang="zh" hreflang="zh" data-title="三硫化二砷" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q425065#sitelinks-wikipedia" title="Edit interlanguage links" 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th{border:1px solid #a2a9b1;width:40%}.mw-parser-output .ib-chembox td+td{width:60%}</style> <table class="infobox ib-chembox"> <caption>Arsenic trisulfide </caption> <tbody><tr> <td colspan="2" style="text-align:center; padding:2px;"><span typeof="mw:File"><a href="/wiki/File:Orpiment_mineral.jpg" class="mw-file-description" title="Sample of arsenic trisulfide as orpiment mineral"><img alt="Sample of arsenic trisulfide as orpiment mineral" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bf/Orpiment_mineral.jpg/244px-Orpiment_mineral.jpg" decoding="async" width="244" height="183" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bf/Orpiment_mineral.jpg/366px-Orpiment_mineral.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/b/bf/Orpiment_mineral.jpg 2x" data-file-width="480" data-file-height="360" /></a></span> </td></tr> <tr> <td colspan="2" style="text-align:center; padding:2px;"><span typeof="mw:File"><a href="/wiki/File:Orpiment-unit-cell-3D.png" class="mw-file-description" title="Ball and stick unit cell model of polymeric arsenic trisulfide"><img alt="Ball and stick unit cell model of polymeric arsenic trisulfide" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/30/Orpiment-unit-cell-3D.png/244px-Orpiment-unit-cell-3D.png" decoding="async" width="244" height="213" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/30/Orpiment-unit-cell-3D.png/366px-Orpiment-unit-cell-3D.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/30/Orpiment-unit-cell-3D.png/488px-Orpiment-unit-cell-3D.png 2x" data-file-width="1100" data-file-height="958" /></a></span> </td></tr> <tr> <td colspan="2" style="text-align:center; padding:2px;"><span typeof="mw:File"><a href="/wiki/File:Arsenic_trisulfide_horiz.png" class="mw-file-description" title="Arsenic trisulfide"><img alt="Arsenic trisulfide" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/2b/Arsenic_trisulfide_horiz.png/220px-Arsenic_trisulfide_horiz.png" decoding="async" width="220" height="23" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/2b/Arsenic_trisulfide_horiz.png/330px-Arsenic_trisulfide_horiz.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/2b/Arsenic_trisulfide_horiz.png/440px-Arsenic_trisulfide_horiz.png 2x" data-file-width="483" data-file-height="50" /></a></span> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Names </th></tr> <tr> <td colspan="2" style="text-align:left;"><a href="/wiki/Preferred_IUPAC_name" title="Preferred IUPAC name">Preferred IUPAC name</a> <div style="max-width:22em; word-wrap:break-word; padding-left:1.7em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0; max-width:22em;">Arsenic trisulfide</div></div> </td></tr> <tr> <td colspan="2" style="text-align:left;">Other names <div style="max-width:22em; word-wrap:break-word; padding-left:1.7em;"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style><div class="plainlist"><ul><li>Arsenic(III) sulfide</li><li>Orpiment</li><li>Sulphuret of arsenic</li></ul></div></div> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Identifiers </th></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/CAS_Registry_Number" title="CAS Registry Number">CAS Number</a></div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="commonchemistry.cas.org"><a rel="nofollow" class="external text" href="https://commonchemistry.cas.org/detail?cas_rn=1303-33-9">1303-33-9</a></span><sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">3D model (<a href="/wiki/JSmol" class="mw-redirect" title="JSmol">JSmol</a>)</div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="chemapps.stolaf.edu (3D interactive model)"><a rel="nofollow" class="external text" href="https://chemapps.stolaf.edu/jmol/jmol.php?model=S1%5BAs%5D3S%5BAs%5D2S%5BAs%5D%28S%5BAs%5D1S2%29S3">Interactive image</a></span></li></ul></div> </td></tr> <tr> <td><a href="/wiki/ChemSpider" title="ChemSpider">ChemSpider</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.chemspider.com"><a rel="nofollow" class="external text" href="https://www.chemspider.com/Chemical-Structure.21241348.html">21241348</a></span><sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div> </td></tr> <tr> <td><a href="/wiki/ECHA_InfoCard" class="mw-redirect" title="ECHA InfoCard"><span title="echa.europa.eu">ECHA InfoCard</span></a> </td> <td><a rel="nofollow" class="external text" href="https://echa.europa.eu/substance-information/-/substanceinfo/100.013.744">100.013.744</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q425065#P2566" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span> </td></tr> <tr> <td><a href="/wiki/European_Community_number" title="European Community number"><span title="European Community number (chemical identifier)">EC Number</span></a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li>215-117-4</li></ul></div> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/PubChem" title="PubChem">PubChem</a> <abbr title="Compound ID">CID</abbr></div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="pubchem.ncbi.nlm.nih.gov"><a rel="nofollow" class="external text" href="https://pubchem.ncbi.nlm.nih.gov/compound/4093503">4093503</a></span></li></ul></div> </td></tr> <tr> <td><a href="/wiki/RTECS" class="mw-redirect" title="RTECS">RTECS number</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li>CG2638000</li></ul></div> </td></tr> <tr> <td><a href="/wiki/Unique_Ingredient_Identifier" title="Unique Ingredient Identifier">UNII</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="precision.fda.gov"><a rel="nofollow" class="external text" href="https://precision.fda.gov/uniisearch/srs/unii/44SIJ800OX">44SIJ800OX</a></span><sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/CompTox_Chemicals_Dashboard" title="CompTox Chemicals Dashboard">CompTox Dashboard</a> <span style="font-weight:normal">(<abbr title="U.S. Environmental Protection Agency">EPA</abbr>)</span></div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="comptox.epa.gov"><a rel="nofollow" class="external text" href="https://comptox.epa.gov/dashboard/chemical/details/DTXSID50274153">DTXSID50274153</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q425065#P3117" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></li></ul></div> </td></tr> <tr> <td colspan="2"><div class="collapsible-list mw-collapsible mw-collapsed" style="text-align: left;"> <div style="line-height: 1.6em; font-weight: bold; text-align:left; font-weight:normal; background:transparent;"><div><a href="/wiki/International_Chemical_Identifier" title="International Chemical Identifier">InChI</a></div></div> <ul class="mw-collapsible-content" style="margin-top: 0; margin-bottom: 0; line-height: inherit; list-style: none; margin-left: 0; word-break:break-all;"><li style="line-height: inherit; margin: 0"><div style="border-top:1px solid #ccc; padding:0.2em 0 0.2em 1.5em; text-align:left;"><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">InChI=1S/As4S6/c5-1-6-3-8-2(5)9-4(7-1)10-3<sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></div><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">Key: OUFDYFBZNDIAPD-UHFFFAOYSA-N<sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></div></div></li><li style="line-height: inherit; margin: 0"><div style="border-top:1px solid #ccc; padding:0.2em 0 0.2em 1.5em; text-align:left;"><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">InChI=1/As4S6/c5-1-6-3-8-2(5)9-4(7-1)10-3</div><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">Key: OUFDYFBZNDIAPD-UHFFFAOYAM</div></div></li></ul> </div> </td></tr> <tr> <td colspan="2"><div class="collapsible-list mw-collapsible mw-collapsed" style="text-align: left;"> <div style="line-height: 1.6em; font-weight: bold; text-align:left; font-weight:normal; background:transparent;"><div><a href="/wiki/Simplified_molecular-input_line-entry_system" class="mw-redirect" title="Simplified molecular-input line-entry system">SMILES</a></div></div> <ul class="mw-collapsible-content" style="margin-top: 0; margin-bottom: 0; line-height: inherit; list-style: none; margin-left: 0; word-break:break-all;"><li style="line-height: inherit; margin: 0"><div style="border-top:1px solid #ccc; padding:0.2em 0 0.2em 1.6em; word-wrap:break-word; text-indent:-1.5em; text-align:left; font-size:97%; line-height:120%;">S1[As]3S[As]2S[As](S[As]1S2)S3</div></li></ul> </div> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Properties </th></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Chemical_formula" title="Chemical formula">Chemical formula</a></div> </td> <td><span title="Arsenic">As</span><sub>2</sub><span title="Sulfur">S</span><sub>3</sub> </td></tr> <tr> <td><a href="/wiki/Molar_mass" title="Molar mass">Molar mass</a> </td> <td><span class="nowrap"><span data-sort-value="7002246020000000000♠"></span>246.02</span> g·mol<sup>−1</sup>   </td></tr> <tr> <td>Appearance </td> <td>yellow or orange crystals </td></tr> <tr> <td><a href="/wiki/Density" title="Density">Density</a> </td> <td>3.43 g/cm<sup>3</sup> </td></tr> <tr> <td><a href="/wiki/Melting_point" title="Melting point">Melting point</a> </td> <td>310 °C (590 °F; 583 K) </td></tr> <tr> <td><a href="/wiki/Boiling_point" title="Boiling point">Boiling point</a> </td> <td>707 °C (1,305 °F; 980 K) </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Aqueous_solution" title="Aqueous solution">Solubility in water</a></div> </td> <td>insoluble </td></tr> <tr> <td><a href="/wiki/Solubility" title="Solubility">Solubility</a> </td> <td>soluble in <a href="/wiki/Ammonia" title="Ammonia">ammonia</a> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Magnetic_susceptibility" title="Magnetic susceptibility">Magnetic susceptibility</a> (χ)</div> </td> <td>−70.0·10<sup>−6</sup> cm<sup>3</sup>/mol </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Structure<sup id="cite_ref-struct_1-0" class="reference"><a href="#cite_note-struct-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </th></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Crystal_structure" title="Crystal structure">Crystal structure</a></div> </td> <td>monoclinic </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Space_group" title="Space group">Space group</a></div> </td> <td>P2<sub>1</sub>/<i>n</i> (No. 11) </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Lattice_constant" title="Lattice constant">Lattice constant</a></div> </td> <td><div><i>a</i> = 1147.5(5) pm, <i>b</i> = 957.7(4) pm, <i>c</i> = 425.6(2) pm</div><div>α = 90°, β = 90.68(8)°, γ = 90°</div> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Coordination_geometry" title="Coordination geometry">Coordination geometry</a></div> </td> <td>pyramidal (As) </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Hazards </th></tr> <tr> <td colspan="2" style="text-align:left; background-color:#eaeaea;"><a href="/wiki/Globally_Harmonized_System_of_Classification_and_Labelling_of_Chemicals" title="Globally Harmonized System of Classification and Labelling of Chemicals"><b>GHS</b> labelling</a>:<sup id="cite_ref-CLP_3-0" class="reference"><a href="#cite_note-CLP-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-PEL_4-0" class="reference"><a href="#cite_note-PEL-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/GHS_hazard_pictograms" title="GHS hazard pictograms">Pictograms</a></div> </td> <td><span typeof="mw:File"><a href="/wiki/File:GHS-pictogram-skull.svg" class="mw-file-description" title="Acute Tox. 3"><img alt="Acute Tox. 3" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/58/GHS-pictogram-skull.svg/50px-GHS-pictogram-skull.svg.png" decoding="async" width="50" height="50" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/58/GHS-pictogram-skull.svg/75px-GHS-pictogram-skull.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/58/GHS-pictogram-skull.svg/100px-GHS-pictogram-skull.svg.png 2x" data-file-width="724" data-file-height="724" /></a></span> <span typeof="mw:File"><a href="/wiki/File:GHS-pictogram-pollu.svg" class="mw-file-description" title="Aquatic Acute 1, Aquatic Chronic 1"><img alt="Aquatic Acute 1, Aquatic Chronic 1" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b9/GHS-pictogram-pollu.svg/50px-GHS-pictogram-pollu.svg.png" decoding="async" width="50" height="50" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b9/GHS-pictogram-pollu.svg/75px-GHS-pictogram-pollu.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b9/GHS-pictogram-pollu.svg/100px-GHS-pictogram-pollu.svg.png 2x" data-file-width="724" data-file-height="724" /></a></span> </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Globally_Harmonized_System_of_Classification_and_Labelling_of_Chemicals#Signal_word" title="Globally Harmonized System of Classification and Labelling of Chemicals">Signal word</a></div> </td> <td><b>Danger</b> </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/GHS_hazard_statements" title="GHS hazard statements">Hazard statements</a></div> </td> <td><abbr class="abbr" title="H300: Fatal if swallowed">H300</abbr>, <abbr class="abbr" title="H331: Toxic if inhaled">H331</abbr>, <abbr class="abbr" title="H400: Very toxic to aquatic life">H400</abbr>, <abbr class="abbr" title="H411: Toxic to aquatic life with long lasting effects">H411</abbr> </td></tr> <tr> <td><a href="/wiki/NFPA_704" title="NFPA 704"><b>NFPA 704</b></a> (fire diamond) </td> <td><style data-mw-deduplicate="TemplateStyles:r1170367383">.mw-parser-output .nfpa-704-diamond-ref{float:right;padding:1px;text-align:right}.mw-parser-output .nfpa-704-diamond-container{width:82px;font-family:sans-serif;margin:0 auto}.mw-parser-output .nfpa-704-diamond-container-ref{float:left;margin-left:1em}.mw-parser-output .nfpa-704-diamond-images{float:left;font-size:20px;text-align:center;position:relative;height:80px;width:80px;padding:1px}.mw-parser-output .nfpa-704-diamond-map{position:absolute;height:80px;width:80px}.mw-parser-output .nfpa-704-diamond .noresize{margin:0 auto}.mw-parser-output .nfpa-704-diamond-code{line-height:1em;text-align:center;position:absolute}.mw-parser-output .nfpa-704-diamond-code>a{color:black}.mw-parser-output .nfpa-704-diamond-blue{width:13px;top:31px;left:15px}.mw-parser-output .nfpa-704-diamond-red{width:12px;top:12px;left:35px}.mw-parser-output .nfpa-704-diamond-yellow{width:13px;top:31px;left:54px}.mw-parser-output .nfpa-704-diamond-white-image{position:relative;top:51px;left:0}.mw-parser-output .nfpa-704-diamond-white-text{vertical-align:middle;text-align:center;line-height:80%;position:absolute;top:52px}.mw-parser-output .nfpa-704-diamond-white-text a>span{position:absolute;color:black}.mw-parser-output .nfpa-704-diamond-white-wors{font-size:15px;width:23px;left:29px}.mw-parser-output .nfpa-704-diamond-white-wox{font-size:15px;font-stretch:condensed;width:21px;line-height:80%;top:-4px;left:29px}.mw-parser-output .nfpa-704-diamond-white-abcp{font-size:13.5px;font-stretch:condensed;width:28px;left:26px}.mw-parser-output .nfpa-704-diamond-white-ac{font-size:10px;width:30px;left:25px}.mw-parser-output .nfpa-704-diamond-white-strike{text-decoration:line-through}</style><div class="nfpa-704-diamond notheme"><div class="nfpa-704-diamond-container"><div class="nfpa-704-diamond-images nounderlines"> <div class="nfpa-704-diamond-map"><figure class="noresize" typeof="mw:File"><span><img alt="NFPA 704 four-colored diamond" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/NFPA_704.svg/80px-NFPA_704.svg.png" decoding="async" width="80" height="80" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/NFPA_704.svg/120px-NFPA_704.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6f/NFPA_704.svg/160px-NFPA_704.svg.png 2x" data-file-width="512" data-file-height="512" usemap="#ImageMap_7b3d73138c259557" /></span><map name="ImageMap_7b3d73138c259557"><area href="/wiki/NFPA_704#Blue" shape="poly" coords="23,23,47,47,23,70,0,47" alt="Health 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gas" title="Health 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gas" /><area href="/wiki/NFPA_704#Red" shape="poly" coords="47,0,70,23,47,47,23,23" alt="Flammability 0: Will not burn. E.g. water" title="Flammability 0: Will not burn. E.g. water" /><area href="/wiki/NFPA_704#Yellow" shape="poly" coords="70,23,94,47,70,70,47,47" alt="Instability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogen" title="Instability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogen" /><area href="/wiki/NFPA_704#White" shape="poly" coords="47,47,70,70,47,94,23,70" alt="Special hazards (white): no code" title="Special hazards (white): no code" /></map><figcaption></figcaption></figure></div><div class="nfpa-704-diamond-code nfpa-704-diamond-blue"> <a href="/wiki/NFPA_704#Blue" title="NFPA 704"><span title="Health 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gas" class="notheme mw-no-invert">3</span></a></div><div class="nfpa-704-diamond-code nfpa-704-diamond-red"> <a href="/wiki/NFPA_704#Red" title="NFPA 704"><span title="Flammability 0: Will not burn. E.g. water" class="notheme mw-no-invert">0</span></a></div><div class="nfpa-704-diamond-code nfpa-704-diamond-yellow"> <a href="/wiki/NFPA_704#Yellow" title="NFPA 704"><span title="Instability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogen" class="notheme mw-no-invert">0</span></a></div></div></div></div> </td></tr> <tr> <td colspan="2" style="text-align:left; background-color:#eaeaea;"><a href="/wiki/National_Institute_for_Occupational_Safety_and_Health" title="National Institute for Occupational Safety and Health"><b>NIOSH</b></a> (US health exposure limits): </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Permissible_exposure_limit" title="Permissible exposure limit">PEL</a> (Permissible)</div> </td> <td>[1910.1018] TWA 0.010 mg/m<sup>3</sup><sup id="cite_ref-PGCH_2-0" class="reference"><a href="#cite_note-PGCH-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Recommended_exposure_limit" title="Recommended exposure limit">REL</a> (Recommended)</div> </td> <td>Ca C 0.002 mg/m<sup>3</sup> [15-minute]<sup id="cite_ref-PGCH_2-1" class="reference"><a href="#cite_note-PGCH-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/IDLH" class="mw-redirect" title="IDLH">IDLH</a> (Immediate danger)</div> </td> <td>Ca [5 mg/m<sup>3</sup> (as As)]<sup id="cite_ref-PGCH_2-2" class="reference"><a href="#cite_note-PGCH-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Related compounds </th></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Related compounds</div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><a href="/wiki/Arsenic_trioxide" title="Arsenic trioxide">Arsenic trioxide</a></li><li><a href="/wiki/Arsenic_triselenide" title="Arsenic triselenide">Arsenic triselenide</a></li><li><a href="/wiki/Arsenic_tritelluride" class="mw-redirect" title="Arsenic tritelluride">Arsenic tritelluride</a></li><li><a href="/wiki/Phosphorus_trisulfide" title="Phosphorus trisulfide">Phosphorus trisulfide</a></li><li><a href="/wiki/Antimony_trisulfide" title="Antimony trisulfide">Antimony trisulfide</a></li><li><a href="/wiki/Bismuth_trisulfide" class="mw-redirect" title="Bismuth trisulfide">Bismuth trisulfide</a></li><li><a href="/wiki/Tetraarsenic_tetrasulfide" class="mw-redirect" title="Tetraarsenic tetrasulfide">Tetraarsenic tetrasulfide</a></li></ul></div> </td></tr> <tr> <td colspan="2" style="text-align:left; background:#f8eaba; border:1px solid #a2a9b1;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Except where otherwise noted, data are given for materials in their <a href="/wiki/Standard_state" title="Standard state">standard state</a> (at 25 °C [77 °F], 100 kPa).</div> <div style="margin-top: 0.3em;"><div style="text-align:center;"><span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/12px-Yes_check.svg.png" decoding="async" width="12" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/18px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/24px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span> <span class="reflink plainlinks nourlexpansion"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Special:ComparePages&rev1=441606058&page2=Arsenic+trisulfide">verify</a></span> (<a href="/wiki/Wikipedia:WikiProject_Chemicals/Chembox_validation" title="Wikipedia:WikiProject Chemicals/Chembox validation">what is</a> <sup><span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span><span typeof="mw:File"><span><img alt="☒" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/7px-X_mark.svg.png" decoding="async" width="7" height="8" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/11px-X_mark.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/14px-X_mark.svg.png 2x" data-file-width="525" data-file-height="600" /></span></span><span style="display:none">N</span></sup> ?) </div></div> <div style="margin-top: 0.3em; text-align: center;"><a href="/wiki/Wikipedia:Chemical_infobox#References" title="Wikipedia:Chemical infobox">Infobox references</a></div> </td></tr> </tbody></table><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Chemical compound</div> <p><b>Arsenic trisulfide</b> is the <a href="/wiki/Inorganic_compound" title="Inorganic compound">inorganic compound</a> with the formula <style data-mw-deduplicate="TemplateStyles:r1123817410">.mw-parser-output .template-chem2-su{display:inline-block;font-size:80%;line-height:1;vertical-align:-0.35em}.mw-parser-output .template-chem2-su>span{display:block;text-align:left}.mw-parser-output sub.template-chem2-sub{font-size:80%;vertical-align:-0.35em}.mw-parser-output sup.template-chem2-sup{font-size:80%;vertical-align:0.65em}</style><span class="chemf nowrap"><a href="/wiki/Arsenic" title="Arsenic">As</a><sub class="template-chem2-sub">2</sub><a href="/wiki/Sulfur" title="Sulfur">S</a><sub class="template-chem2-sub">3</sub></span>. It is a dark yellow solid that is insoluble in water. It also occurs as the mineral <a href="/wiki/Orpiment" title="Orpiment">orpiment</a> (Latin: auripigmentum), which has been used as a pigment called King's yellow. It is produced in the analysis of arsenic compounds. It is a group V/VI, <a href="/wiki/Intrinsic_semiconductor" title="Intrinsic semiconductor">intrinsic</a> p-type <a href="/wiki/Semiconductor" title="Semiconductor">semiconductor</a> and exhibits photo-induced phase-change properties.<sup class="noprint Inline-Template" style="margin-left:0.1em; white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Please_clarify" title="Wikipedia:Please clarify"><span title="The text near this tag may need clarification or removal of jargon. (November 2022)">clarification needed</span></a></i>]</sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Structure">Structure</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Arsenic_trisulfide&action=edit&section=1" title="Edit section: Structure"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">As<sub class="template-chem2-sub">2</sub>S<sub class="template-chem2-sub">3</sub></span> occurs both in crystalline and amorphous forms. Both forms feature polymeric structures consisting of <a href="/wiki/Trigonal_pyramid_(chemistry)" class="mw-redirect" title="Trigonal pyramid (chemistry)">trigonal pyramidal</a> As(III) centres linked by sulfide centres. The sulfide centres are two-fold coordinated to two arsenic atoms. In the crystalline form, the compound adopts a ruffled sheet structure.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> The bonding between the sheets consists of <a href="/wiki/Van_der_Waals_force" title="Van der Waals force">van der Waals forces</a>. The crystalline form is usually found in geological samples. Amorphous <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">As<sub class="template-chem2-sub">2</sub>S<sub class="template-chem2-sub">3</sub></span> does not possess a layered structure but is more highly cross-linked. Like other <a href="/wiki/Glass" title="Glass">glasses</a>, there is no medium or long-range order, but the first co-ordination sphere is well defined. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">As<sub class="template-chem2-sub">2</sub>S<sub class="template-chem2-sub">3</sub></span> is a good <a href="/wiki/Glass_formation" title="Glass formation">glass former</a> and exhibits a wide glass-forming region in its <a href="/wiki/Phase_diagram" title="Phase diagram">phase diagram</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Properties">Properties</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Arsenic_trisulfide&action=edit&section=2" title="Edit section: Properties"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>It is a <a href="/wiki/Semiconductor" title="Semiconductor">semiconductor</a>, with a direct <a href="/wiki/Band_gap" title="Band gap">band gap</a> of 2.7 eV.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> The wide band gap makes it transparent to <a href="/wiki/Infrared" title="Infrared">infrared</a> light between 620 nm and 11 μm. </p> <div class="mw-heading mw-heading2"><h2 id="Synthesis">Synthesis</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Arsenic_trisulfide&action=edit&section=3" title="Edit section: Synthesis"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="From_the_elements">From the elements</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Arsenic_trisulfide&action=edit&section=4" title="Edit section: From the elements"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Amorphous <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">As<sub class="template-chem2-sub">2</sub>S<sub class="template-chem2-sub">3</sub></span> is obtained via the fusion of the elements at 390 °C. Rapid cooling of the reaction melt gives a glass. The reaction can be represented with the chemical equation: </p> <dl><dd><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">2 As + 3 S → As<sub class="template-chem2-sub">2</sub>S<sub class="template-chem2-sub">3</sub></span></dd></dl> <div class="mw-heading mw-heading3"><h3 id="Aqueous_precipitation">Aqueous precipitation</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Arsenic_trisulfide&action=edit&section=5" title="Edit section: Aqueous precipitation"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">See also: <a href="/wiki/Qualitative_inorganic_analysis" title="Qualitative inorganic analysis">Qualitative inorganic analysis</a></div> <p><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">As<sub class="template-chem2-sub">2</sub>S<sub class="template-chem2-sub">3</sub></span> forms when aqueous solutions containing As(III) are treated with <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">H<sub class="template-chem2-sub">2</sub>S</span>. Arsenic was in the past analyzed and assayed by this reaction, which results in the <a href="/wiki/Precipitation_(chemistry)" title="Precipitation (chemistry)">precipitation</a> of <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">As<sub class="template-chem2-sub">2</sub>S<sub class="template-chem2-sub">3</sub></span>, which is then weighed. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">As<sub class="template-chem2-sub">2</sub>S<sub class="template-chem2-sub">3</sub></span> can even be precipitated in 6 <a href="/wiki/Molar_concentration" title="Molar concentration">M</a> HCl. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">As<sub class="template-chem2-sub">2</sub>S<sub class="template-chem2-sub">3</sub></span> is so insoluble that it is not toxic. </p> <div class="mw-heading mw-heading2"><h2 id="Reactions">Reactions</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Arsenic_trisulfide&action=edit&section=6" title="Edit section: Reactions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Upon heating in a vacuum, polymeric <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">As<sub class="template-chem2-sub">2</sub>S<sub class="template-chem2-sub">3</sub></span> "cracks" to give a mixture of molecular species, including molecular <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">As<sub class="template-chem2-sub">4</sub>S<sub class="template-chem2-sub">6</sub></span>.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">As<sub class="template-chem2-sub">4</sub>S<sub class="template-chem2-sub">6</sub></span> adopts the <a href="/wiki/Adamantane" title="Adamantane">adamantane</a> geometry, like that observed for <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">P<sub class="template-chem2-sub">4</sub>O<sub class="template-chem2-sub">6</sub></span> and <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">As<sub class="template-chem2-sub">4</sub>O<sub class="template-chem2-sub">6</sub></span>. When a film of this material is exposed to an external energy source such as thermal energy (via thermal annealing <sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup>), electromagnetic radiation (i.e. UV lamps, lasers,<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> electron beams)<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup>), As<sub>4</sub>S<sub>6</sub> polymerizes: </p> <dl><dd><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">2 (As<sub class="template-chem2-sub">2</sub>S<sub class="template-chem2-sub">3</sub>)<sub class="template-chem2-sub"><i>n</i></sub> ⇌ <i>n</i> As<sub class="template-chem2-sub">4</sub>S<sub class="template-chem2-sub">6</sub></span></dd></dl> <p><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">As<sub class="template-chem2-sub">2</sub>S<sub class="template-chem2-sub">3</sub></span> characteristically dissolves upon treatment with aqueous solutions containing <a href="/wiki/Sulfide" title="Sulfide">sulfide</a> ions.<sup class="noprint Inline-Template" style="margin-left:0.1em; white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Please_clarify" title="Wikipedia:Please clarify"><span title="The text near this tag may need clarification or removal of jargon. (November 2022)">clarification needed</span></a></i>]</sup> The dissolved arsenic species is the pyramidal <a href="/wiki/Trithioarsenite" title="Trithioarsenite">trithioarsenite</a> <a href="/wiki/Anion" class="mw-redirect" title="Anion">anion</a> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">AsS<span class="template-chem2-su"><span>3−</span><span>3</span></span></span>: </p> <dl><dd><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">As<sub class="template-chem2-sub">2</sub>S<sub class="template-chem2-sub">3</sub> + 6 NaSH → 2 AsS<span class="template-chem2-su"><span>3−</span><span>3</span></span> + 3 H<sub class="template-chem2-sub">2</sub>S</span><sup class="noprint Inline-Template" style="margin-left:0.1em; white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Please_clarify" title="Wikipedia:Please clarify"><span title="The text near this tag may need clarification or removal of jargon. (November 2022)">clarification needed</span></a></i>]</sup></dd></dl> <p><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">As<sub class="template-chem2-sub">2</sub>S<sub class="template-chem2-sub">3</sub></span> is the anhydride of the hypothetical trithioarsenous acid, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">As(SH)<sub class="template-chem2-sub">3</sub></span>. Upon treatment with <a href="/wiki/Polysulfide" title="Polysulfide">polysulfide</a> ions, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">As<sub class="template-chem2-sub">2</sub>S<sub class="template-chem2-sub">3</sub></span> dissolves to give a variety of species containing both S–S and As–S bonds. One derivative is <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">S<sub class="template-chem2-sub">7</sub>As−S<sup class="template-chem2-sup">−</sup></span>, an eight-membered ring that contains 7 S atoms and 1 As atom, and an <a href="/wiki/Exocyclic" class="mw-redirect" title="Exocyclic">exocyclic</a> <a href="/wiki/Sulfido" title="Sulfido">sulfido</a> center attached to the As atom. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">As<sub class="template-chem2-sub">2</sub>S<sub class="template-chem2-sub">3</sub></span> also dissolves in strongly alkaline solutions to give a mixture of <a href="/wiki/Trithioarsenite" title="Trithioarsenite"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">AsS<span class="template-chem2-su"><span>3−</span><span>3</span></span></span></a> and <a href="/wiki/Arsenite" title="Arsenite"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">AsO<span class="template-chem2-su"><span>3−</span><span>3</span></span></span></a>.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p><p>"Roasting" <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">As<sub class="template-chem2-sub">2</sub>S<sub class="template-chem2-sub">3</sub></span> in air gives volatile, toxic derivatives, this conversion being one of the hazards associated with the refining of heavy metal <a href="/wiki/Ore" title="Ore">ores</a>: </p> <dl><dd><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">2 As<sub class="template-chem2-sub">2</sub>S<sub class="template-chem2-sub">3</sub> + 9 O<sub class="template-chem2-sub">2</sub> → As<sub class="template-chem2-sub">4</sub>O<sub class="template-chem2-sub">6</sub> + 6 SO<sub class="template-chem2-sub">2</sub></span></dd></dl> <div class="mw-heading mw-heading2"><h2 id="Contemporary_uses">Contemporary uses</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Arsenic_trisulfide&action=edit&section=7" title="Edit section: Contemporary uses"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="As_an_inorganic_photoresist">As an inorganic photoresist</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Arsenic_trisulfide&action=edit&section=8" title="Edit section: As an inorganic photoresist"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Due to its high <a href="/wiki/Refractive_index" title="Refractive index">refractive index</a> of 2.45 and its large <a href="/wiki/Knoop_hardness_test" title="Knoop hardness test">Knoop hardness</a> compared to organic <a href="/wiki/Photoresist" title="Photoresist">photoresists</a>, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">As<sub class="template-chem2-sub">2</sub>S<sub class="template-chem2-sub">3</sub></span> has been investigated for the fabrication of <a href="/wiki/Photonic_crystal" title="Photonic crystal">photonic crystals</a> with a full-photonic band-gap. Advances in laser patterning techniques such as three-dimensional direct laser writing (3-D DLW) and chemical wet-<a href="/wiki/Etching_(microfabrication)" title="Etching (microfabrication)">etching chemistry</a>, has allowed this material to be used as a photoresist to fabricate 3-D nanostructures.<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p><p><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">As<sub class="template-chem2-sub">2</sub>S<sub class="template-chem2-sub">3</sub></span> has been investigated for use as a high resolution photoresist material since the early 1970s,<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> using aqueous etchants. Although these aqueous etchants allowed for low-aspect ratio 2-D structures to be fabricated, they do not allow for the etching of high aspect ratio structures with 3-D periodicity. Certain organic reagents, used in organic solvents, permit the high-etch selectivity required to produce high-aspect ratio structures with 3-D periodicity. </p> <div class="mw-heading mw-heading3"><h3 id="Medical_applications">Medical applications</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Arsenic_trisulfide&action=edit&section=9" title="Edit section: Medical applications"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">As<sub class="template-chem2-sub">2</sub>S<sub class="template-chem2-sub">3</sub></span> and <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">As<sub class="template-chem2-sub">4</sub>S<sub class="template-chem2-sub">4</sub></span> have been investigated as treatments for acute promyelocytic leukemia (APL). </p> <div class="mw-heading mw-heading3"><h3 id="For_IR-transmitting_glasses">For IR-transmitting glasses</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Arsenic_trisulfide&action=edit&section=10" title="Edit section: For IR-transmitting glasses"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Arsenic trisulfide manufactured into <a href="/wiki/Amorphous" class="mw-redirect" title="Amorphous">amorphous</a> form is used as a <a href="/wiki/Chalcogenide_glass" title="Chalcogenide glass">chalcogenide glass</a> for <a href="/wiki/Infrared" title="Infrared">infrared</a> <a href="/wiki/Optics" title="Optics">optics</a>. It is transparent for light between wavelengths of 620 nm and 11 μm. The arsenic trisulfide glass is more resistant to oxidation than crystalline arsenic trisulfide, which minimizes toxicity concerns.<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> It can be also used as an <a href="/wiki/Acousto-optic" class="mw-redirect" title="Acousto-optic">acousto-optic</a> material. </p><p>Arsenic trisulfide was used for the distinctive eight-sided conical nose over the infra-red seeker of the <a href="/wiki/De_Havilland_Firestreak" title="De Havilland Firestreak">de Havilland Firestreak</a> missile. </p> <div class="mw-heading mw-heading3"><h3 id="Role_in_ancient_artistry">Role in ancient artistry</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Arsenic_trisulfide&action=edit&section=11" title="Edit section: Role in ancient artistry"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Orpiment" title="Orpiment">orpiment</a></div> <p>The ancient Egyptians reportedly used orpiment, natural or synthetic, as a pigment in artistry and cosmetics. </p> <div class="mw-heading mw-heading3"><h3 id="Miscellaneous">Miscellaneous</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Arsenic_trisulfide&action=edit&section=12" title="Edit section: Miscellaneous"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Arsenic trisulfide is also used as a <a href="/wiki/Tanning_(leather)" title="Tanning (leather)">tanning</a> agent. It was formerly used with <a href="/wiki/Indigo_dye" title="Indigo dye">indigo dye</a> for the production of pencil blue, which allowed dark blue hues to be added to fabric via pencil or brush. </p><p>Precipitation of arsenic trisulfide is used as an analytical test for presence of dissimilatory arsenic-reducing bacteria (DARB).<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Safety">Safety</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Arsenic_trisulfide&action=edit&section=13" title="Edit section: Safety"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">See also: <a href="/wiki/Arsenic_toxicity" class="mw-redirect" title="Arsenic toxicity">Arsenic toxicity</a></div> <p><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">As<sub class="template-chem2-sub">2</sub>S<sub class="template-chem2-sub">3</sub></span> is so insoluble that its toxicity is low. Aged samples can contain substantial amounts of arsenic oxides, which are soluble and therefore highly toxic. </p> <div class="mw-heading mw-heading2"><h2 id="Natural_occurrence">Natural occurrence</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Arsenic_trisulfide&action=edit&section=14" title="Edit section: Natural occurrence"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Orpiment is found in volcanic environments, often together with other arsenic sulfides, mainly <a href="/wiki/Realgar" title="Realgar">realgar</a>. It is sometimes found in low-temperature hydrothermal veins, together with some other sulfide and sulfosalt minerals. </p> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Arsenic_trisulfide&action=edit&section=15" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-struct-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-struct_1-0">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFMullenNowacki1972" class="citation cs2">Mullen, D. J. E.; Nowacki, W (1972), <a rel="nofollow" class="external text" href="http://rruff.geo.arizona.edu/doclib/zk/vol136/ZK136_48.pdf">"Refinement of the crystal structures of realgar, AsS and orpiment, As<sub>2</sub>S<sub>3</sub>"</a> <span class="cs1-format">(PDF)</span>, <i>Z. Kristallogr.</i>, <b>136</b> (1–2): 48–65, <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1972ZK....136...48M">1972ZK....136...48M</a>, <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1524%2Fzkri.1972.136.1-2.48">10.1524/zkri.1972.136.1-2.48</a></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Z.+Kristallogr.&rft.atitle=Refinement+of+the+crystal+structures+of+realgar%2C+AsS+and+orpiment%2C+As%3Csub%3E2%3C%2Fsub%3ES%3Csub%3E3%3C%2Fsub%3E&rft.volume=136&rft.issue=1%E2%80%932&rft.pages=48-65&rft.date=1972&rft_id=info%3Adoi%2F10.1524%2Fzkri.1972.136.1-2.48&rft_id=info%3Abibcode%2F1972ZK....136...48M&rft.aulast=Mullen&rft.aufirst=D.+J.+E.&rft.au=Nowacki%2C+W&rft_id=http%3A%2F%2Frruff.geo.arizona.edu%2Fdoclib%2Fzk%2Fvol136%2FZK136_48.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AArsenic+trisulfide" class="Z3988"></span>.</span> </li> <li id="cite_note-PGCH-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-PGCH_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-PGCH_2-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-PGCH_2-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFNIOSH_Pocket_Guide_to_Chemical_Hazards" class="citation web cs1">NIOSH Pocket Guide to Chemical Hazards. <a rel="nofollow" class="external text" href="https://www.cdc.gov/niosh/npg/npgd0038.html">"#0038"</a>. <a href="/wiki/National_Institute_for_Occupational_Safety_and_Health" title="National Institute for Occupational Safety and Health">National Institute for Occupational Safety and Health</a> (NIOSH).</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=%230038&rft.pub=National+Institute+for+Occupational+Safety+and+Health+%28NIOSH%29&rft.au=NIOSH+Pocket+Guide+to+Chemical+Hazards&rft_id=https%3A%2F%2Fwww.cdc.gov%2Fniosh%2Fnpg%2Fnpgd0038.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AArsenic+trisulfide" class="Z3988"></span></span> </li> <li id="cite_note-CLP-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-CLP_3-0">^</a></b></span> <span class="reference-text">Index no. 033-002-00-5 of Annex VI, Part 3, to <a rel="nofollow" class="external text" href="http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2008:353:0001:1355:EN:PDF">Regulation (EC) No 1272/2008 of the European Parliament and of the Council of 16 December 2008 on classification, labelling and packaging of substances and mixtures, amending and repealing Directives 67/548/EEC and 1999/45/EC, and amending Regulation (EC) No 1907/2006</a>. <i>OJEU</i> L353, 31.12.2008, pp 1–1355 at p 427.</span> </li> <li id="cite_note-PEL-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-PEL_4-0">^</a></b></span> <span class="reference-text">"Arsenic, inorganic compounds (as As)", <a rel="nofollow" class="external text" href="http://www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=STANDARDS&p_id=10023">29 C.F.R. § 1910.1018</a>, 58 FR 35310, June 30, 1993, as amended. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation cs2">"Arsenic (inorganic compounds, as As)", <a rel="nofollow" class="external text" href="https://www.cdc.gov/niosh/npg/npgd0038.html"><i>Pocket Guide to Chemical Hazards</i></a>, U.S. Department of Health and Human Services (NIOSH) Publication No. 2005-149, Washington, DC: Government Printing Office, 2005, <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/9780160727511" title="Special:BookSources/9780160727511"><bdi>9780160727511</bdi></a></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Arsenic+%28inorganic+compounds%2C+as+As%29&rft.btitle=Pocket+Guide+to+Chemical+Hazards&rft.place=Washington%2C+DC&rft.series=U.S.+Department+of+Health+and+Human+Services+%28NIOSH%29+Publication+No.+2005-149&rft.pub=Government+Printing+Office&rft.date=2005&rft.isbn=9780160727511&rft_id=https%3A%2F%2Fwww.cdc.gov%2Fniosh%2Fnpg%2Fnpgd0038.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AArsenic+trisulfide" class="Z3988"></span>.</span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text">Wells, A.F. 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F.; Wiberg, E. "Inorganic Chemistry" Academic Press: San Diego, 2001. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-12-352651-5" title="Special:BookSources/0-12-352651-5">0-12-352651-5</a>.</span> </li> <li id="cite_note-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-13">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWongDeubelPérez-WillardJohn2006" class="citation journal cs1">Wong, S.; Deubel, M.; Pérez-Willard, F.; John, S.; Ozin, G. A.; Wegener, M.; von Freymann, G. (2006-02-03). <a rel="nofollow" class="external text" href="https://publikationen.bibliothek.kit.edu/1000010959">"Direct Laser Writing of Three- Dimensional Photonic Crystals with a Complete Photonic Bandgap in Chalcogenide Glasses"</a>. <i>Advanced Materials</i>. <b>18</b> (3). Wiley: 265–269. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2006AdM....18..265W">2006AdM....18..265W</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1002%2Fadma.200501973">10.1002/adma.200501973</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0935-9648">0935-9648</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:53527218">53527218</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Advanced+Materials&rft.atitle=Direct+Laser+Writing+of+Three-+Dimensional+Photonic+Crystals+with+a+Complete+Photonic+Bandgap+in+Chalcogenide+Glasses&rft.volume=18&rft.issue=3&rft.pages=265-269&rft.date=2006-02-03&rft_id=info%3Adoi%2F10.1002%2Fadma.200501973&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A53527218%23id-name%3DS2CID&rft.issn=0935-9648&rft_id=info%3Abibcode%2F2006AdM....18..265W&rft.aulast=Wong&rft.aufirst=S.&rft.au=Deubel%2C+M.&rft.au=P%C3%A9rez-Willard%2C+F.&rft.au=John%2C+S.&rft.au=Ozin%2C+G.+A.&rft.au=Wegener%2C+M.&rft.au=von+Freymann%2C+G.&rft_id=https%3A%2F%2Fpublikationen.bibliothek.kit.edu%2F1000010959&rfr_id=info%3Asid%2Fen.wikipedia.org%3AArsenic+trisulfide" class="Z3988"></span></span> </li> <li id="cite_note-14"><span class="mw-cite-backlink"><b><a href="#cite_ref-14">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWongThielBrodersenFenske2007" class="citation journal cs1">Wong, Sean H.; Thiel, Michael; Brodersen, Peter; Fenske, Dieter; Ozin, Geoffrey A.; Wegener, Martin; von Freymann, Georg (2007). "Highly Selective Wet Etch for High-Resolution Three-Dimensional Nanostructures in Arsenic Sulfide All-Inorganic Photoresist". <i>Chemistry of Materials</i>. <b>19</b> (17). American Chemical Society (ACS): 4213–4221. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1021%2Fcm070756y">10.1021/cm070756y</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0897-4756">0897-4756</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Chemistry+of+Materials&rft.atitle=Highly+Selective+Wet+Etch+for+High-Resolution+Three-Dimensional+Nanostructures+in+Arsenic+Sulfide+All-Inorganic+Photoresist&rft.volume=19&rft.issue=17&rft.pages=4213-4221&rft.date=2007&rft_id=info%3Adoi%2F10.1021%2Fcm070756y&rft.issn=0897-4756&rft.aulast=Wong&rft.aufirst=Sean+H.&rft.au=Thiel%2C+Michael&rft.au=Brodersen%2C+Peter&rft.au=Fenske%2C+Dieter&rft.au=Ozin%2C+Geoffrey+A.&rft.au=Wegener%2C+Martin&rft.au=von+Freymann%2C+Georg&rfr_id=info%3Asid%2Fen.wikipedia.org%3AArsenic+trisulfide" class="Z3988"></span></span> </li> <li id="cite_note-15"><span class="mw-cite-backlink"><b><a href="#cite_ref-15">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFStoychevaSimidchievaBuroff1987" class="citation journal cs1">Stoycheva, Rumiana; Simidchieva, Penka; Buroff, Atanas (1987). "Temperature dependence of the photodissociation of a-As2S3". <i>Journal of Non-Crystalline Solids</i>. <b>90</b> (1–3). Elsevier BV: 541–544. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fs0022-3093%2887%2980482-9">10.1016/s0022-3093(87)80482-9</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0022-3093">0022-3093</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Journal+of+Non-Crystalline+Solids&rft.atitle=Temperature+dependence+of+the+photodissociation+of+a-As2S3&rft.volume=90&rft.issue=1%E2%80%933&rft.pages=541-544&rft.date=1987&rft_id=info%3Adoi%2F10.1016%2Fs0022-3093%2887%2980482-9&rft.issn=0022-3093&rft.aulast=Stoycheva&rft.aufirst=Rumiana&rft.au=Simidchieva%2C+Penka&rft.au=Buroff%2C+Atanas&rfr_id=info%3Asid%2Fen.wikipedia.org%3AArsenic+trisulfide" class="Z3988"></span></span> </li> <li id="cite_note-16"><span class="mw-cite-backlink"><b><a href="#cite_ref-16">^</a></b></span> <span class="reference-text">Zenkin, S. A.; Mamedov, S. B.; Mikhailov, M. D.; Turkina, E. Yu.; Yusupov, I. Yu. Glass Phys. Chem. 1997, 5, pp 393-399.</span> </li> <li id="cite_note-17"><span class="mw-cite-backlink"><b><a href="#cite_ref-17">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://amorphousmaterials.com/Documents/MSDS-ArsenicTrisulfideGlass-rev120105.pdf">Material Safety Data Sheet</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20071007070243/http://amorphousmaterials.com/Documents/MSDS-ArsenicTrisulfideGlass-rev120105.pdf">Archived</a> October 7, 2007, at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a></span> </li> <li id="cite_note-18"><span class="mw-cite-backlink"><b><a href="#cite_ref-18">^</a></b></span> <span class="reference-text">Linping Kuai, Arjun A. Nair, and Martin F. Polz "Rapid and Simple Method for the Most-Probable-Number Estimation of Arsenic-Reducing Bacteria" Appl Environ Microbiol. 2001, vol. 67, 3168–3173. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1128%2FAEM.67.7.3168-3173.2001">10.1128/AEM.67.7.3168-3173.2001</a>.</span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="Further_reading">Further reading</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Arsenic_trisulfide&action=edit&section=16" title="Edit section: Further reading"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation cs2">"Arsenic and arsenic compounds", <a rel="nofollow" class="external text" href="http://monographs.iarc.fr/ENG/Monographs/suppl7/Suppl7-19.pdf"><i>Overall Evaluations of Carcinogenicity: An Updating of </i>IARC Monographs<i> Volumes 1 to 42</i></a> <span class="cs1-format">(PDF)</span>, IARC Monographs on the Evaluation of Carcinogenic Risks to Humans Supplement 7, Lyon, France: International Agency for Research on Cancer, 1987, pp. 100–6, <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/92-832-1411-0" title="Special:BookSources/92-832-1411-0"><bdi>92-832-1411-0</bdi></a></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Arsenic+and+arsenic+compounds&rft.btitle=Overall+Evaluations+of+Carcinogenicity%3A+An+Updating+of+IARC+Monographs+Volumes+1+to+42&rft.place=Lyon%2C+France&rft.series=IARC+Monographs+on+the+Evaluation+of+Carcinogenic+Risks+to+Humans+Supplement+7&rft.pages=100-6&rft.pub=International+Agency+for+Research+on+Cancer&rft.date=1987&rft.isbn=92-832-1411-0&rft_id=http%3A%2F%2Fmonographs.iarc.fr%2FENG%2FMonographs%2Fsuppl7%2FSuppl7-19.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AArsenic+trisulfide" class="Z3988"></span>. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation cs2">"Arsenic in Drinking Water", <a rel="nofollow" class="external text" href="http://monographs.iarc.fr/ENG/Monographs/vol84/mono84-6.pdf"><i>Some Drinking-water Disinfectants and Contaminants, including Arsenic</i></a> <span class="cs1-format">(PDF)</span>, IARC Monographs on the Evaluation of Carcinogenic Risks to Humans 84, Lyon, France: International Agency for Research on Cancer, 2004, pp. 39–267, <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/92-832-1284-3" title="Special:BookSources/92-832-1284-3"><bdi>92-832-1284-3</bdi></a></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Arsenic+in+Drinking+Water&rft.btitle=Some+Drinking-water+Disinfectants+and+Contaminants%2C+including+Arsenic&rft.place=Lyon%2C+France&rft.series=IARC+Monographs+on+the+Evaluation+of+Carcinogenic+Risks+to+Humans+84&rft.pages=39-267&rft.pub=International+Agency+for+Research+on+Cancer&rft.date=2004&rft.isbn=92-832-1284-3&rft_id=http%3A%2F%2Fmonographs.iarc.fr%2FENG%2FMonographs%2Fvol84%2Fmono84-6.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AArsenic+trisulfide" class="Z3988"></span>.</li> <li>"Arsenic Compounds, Inorganic", <i><a rel="nofollow" class="external text" href="https://ntp.niehs.nih.gov/ntp/roc/content/profiles/arsenic.pdf">Report on Carcinogens, Eleventh Edition</a></i> (PDF), U.S. Department of Health and Human Services, Public Health Service, National Toxicology Program, 2005.</li></ul> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Arsenic_trisulfide&action=edit&section=17" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://www.inchem.org/documents/ukpids/ukpids/ukpid44.htm">UK Poison Information Document</a></li> <li><a href="/wiki/International_Programme_on_Chemical_Safety" title="International Programme on Chemical Safety">IPCS</a> <a href="/wiki/Environmental_Health_Criteria" class="mw-redirect" title="Environmental Health Criteria">Environmental Health Criteria</a> <a rel="nofollow" class="external text" href="http://www.inchem.org/documents/ehc/ehc/ehc182.htm">182: Arsenic</a></li> <li><a href="/wiki/International_Programme_on_Chemical_Safety" title="International Programme on Chemical Safety">IPCS</a> <a href="/w/index.php?title=Poisons_Information_Monograph&action=edit&redlink=1" class="new" title="Poisons Information Monograph (page does not exist)">Poisons Information Monograph</a> <a rel="nofollow" class="external text" href="http://www.inchem.org/pages/pims.html">G042: Arsenic</a></li> <li><a rel="nofollow" class="external text" href="http://www.inchem.org/documents/jecfa/jecmono/v024je08.htm">WHO Food Additives Series 24</a></li> <li><a rel="nofollow" class="external text" href="http://www.inchem.org/documents/jecfa/jeceval/jec_159.htm">JECFA Evaluation: Arsenic</a></li> <li><a rel="nofollow" class="external text" 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compounds</div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Arsenide" title="Arsenide">Arsenides</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Aluminium_arsenide" title="Aluminium arsenide">AlAs</a></li> <li><a href="/wiki/Boron_arsenide" title="Boron arsenide">BAs</a></li> <li><a href="/wiki/Bismuth_arsenide" title="Bismuth arsenide">BiAs</a></li> <li><span class="chemf nowrap"><a href="/wiki/Cadmium_arsenide" title="Cadmium arsenide">Cd<sub class="template-chem2-sub">3</sub>As<sub class="template-chem2-sub">2</sub></a></span></li> <li><a href="/wiki/Calcium_arsenide" title="Calcium arsenide">CaAs</a></li> <li><a href="/wiki/Cobalt_arsenide" title="Cobalt arsenide">CoAs</a></li> <li><a href="/wiki/Dysprosium_arsenide" title="Dysprosium arsenide">DyAs</a></li> <li><span class="chemf nowrap"><a href="/wiki/Holmium_arsenide" title="Holmium arsenide">HoAs</a></span></li> <li><a href="/wiki/Gallium_arsenide" title="Gallium arsenide">GaAs</a></li> <li><a href="/wiki/Indium_arsenide" title="Indium arsenide">InAs</a></li> <li><a href="/wiki/Yttrium(III)_arsenide" title="Yttrium(III) arsenide">YAs</a></li> <li><a href="/wiki/Lithium_arsenide" title="Lithium arsenide">LiAs</a></li> <li><a href="/wiki/Molybdenum_diarsenide" title="Molybdenum diarsenide">MoAs<sub>2</sub></a></li> <li><a href="/wiki/Manganese_arsenide" title="Manganese arsenide">MnAs</a></li> <li><a href="/wiki/Neptunium_arsenide" title="Neptunium arsenide">NpAs</a></li> <li><span class="chemf nowrap"><a href="/wiki/Neptunium_diarsenide" title="Neptunium diarsenide">NpAs<sub class="template-chem2-sub">2</sub></a></span></li> <li><a href="/wiki/Palladium_diarsenide" title="Palladium diarsenide">PdAs<sub>2</sub></a></li> <li><a href="/wiki/Praseodymium_arsenide" title="Praseodymium arsenide">PrAs</a></li> <li><a href="/wiki/Plutonium_arsenide" class="mw-redirect" title="Plutonium arsenide">PuAs</a></li> <li><a href="/wiki/Samarium_arsenide" class="mw-redirect" title="Samarium arsenide">SmAs</a></li> <li><a href="/wiki/Sodium_arsenide" title="Sodium arsenide">Na<sub>3</sub>As</a></li> <li><a href="/wiki/Tantalum_arsenide" title="Tantalum arsenide">TaAs</a></li> <li><a href="/wiki/Tungsten_diarsenide" title="Tungsten diarsenide">WAs<sub>2</sub></a></li> <li><a href="/wiki/Yttrium_arsenide" class="mw-redirect" title="Yttrium arsenide">YAs</a></li> <li><span class="chemf nowrap"><a href="/wiki/Zinc_arsenide" title="Zinc arsenide">Zn<sub class="template-chem2-sub">3</sub>As<sub class="template-chem2-sub">2</sub></a></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">As(III)</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Arsenic_tribromide" title="Arsenic tribromide">AsBr<sub>3</sub></a></li> <li><a href="/wiki/Arsenic_trichloride" title="Arsenic trichloride">AsCl<sub>3</sub></a></li> <li><a href="/wiki/Arsenic_pentachloride" title="Arsenic pentachloride">AsCl<sub>5</sub></a></li> <li><a href="/wiki/Arsenic_trifluoride" title="Arsenic trifluoride">AsF<sub>3</sub></a></li> <li><a href="/wiki/Arsine" title="Arsine">AsH<sub>3</sub></a></li> <li><a href="/wiki/Arsenic_triiodide" title="Arsenic triiodide">AsI<sub>3</sub></a></li> <li><span class="chemf nowrap"><a href="/wiki/Arsenic_trioxide" title="Arsenic trioxide">As<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">3</sub></a></span></li> <li><span class="chemf nowrap"><a class="mw-selflink selflink">As<sub class="template-chem2-sub">2</sub>S<sub class="template-chem2-sub">3</sub></a></span></li> <li><span class="chemf nowrap"><a href="/wiki/Arsenic_triselenide" title="Arsenic triselenide">As<sub class="template-chem2-sub">2</sub>Se<sub class="template-chem2-sub">3</sub></a></span></li> <li><span class="chemf nowrap"><a href="/wiki/Realgar" title="Realgar">As<sub class="template-chem2-sub">4</sub>S<sub class="template-chem2-sub">4</sub></a></span></li> <li><span class="chemf nowrap"><a href="/wiki/Arsenic_monophosphide" title="Arsenic monophosphide">AsP</a></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">As(III,V)</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="chemf nowrap"><a href="/wiki/Arsenic_tetroxide" title="Arsenic tetroxide">As<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">4</sub></a></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">As(V)</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Arsenic_pentafluoride" title="Arsenic pentafluoride">AsF<sub>5</sub></a></li> <li><a href="/wiki/Arsenic_pentachloride" title="Arsenic pentachloride">AsCl<sub>5</sub></a></li> <li><span class="chemf nowrap"><a href="/wiki/Arsenic_pentoxide" title="Arsenic pentoxide">As<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">5</sub></a></span></li> <li><span class="chemf nowrap"><a href="/wiki/Arsenic_pentasulfide" title="Arsenic pentasulfide">As<sub class="template-chem2-sub">2</sub>S<sub class="template-chem2-sub">5</sub></a></span></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"><style data-mw-deduplicate="TemplateStyles:r886047488">.mw-parser-output .nobold{font-weight:normal}</style></div><div role="navigation" class="navbox" aria-labelledby="Sulfides_(S2−)" style="display:table;;padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit;table-layout:fixed;"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Sulfides" title="Template:Sulfides"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Sulfides" title="Template talk:Sulfides"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Sulfides" title="Special:EditPage/Template:Sulfides"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Sulfides_(S2−)" style="font-size:114%;margin:0 4em"><a href="/wiki/Sulfide" title="Sulfide">Sulfides</a> <span class="nobold">(S<sup>2−</sup>)</span></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0;border-width:0;"><div style="padding:0"><div class="mw-collapsible-content" style="overflow-x:auto"> <table class="center"> <tbody><tr style="background-color:mistyrose"> <td><a href="/wiki/Hydrogen_sulfide" title="Hydrogen sulfide">H<sub>2</sub>S</a> </td> <td style="background-color:white;border:none"> </td> <td style="background-color:white;border:none" colspan="11" rowspan="3"> </td> <td style="background-color:white;border:none" colspan="5"> </td> <td>He </td></tr> <tr style="background-color:mistyrose"> <td><a href="/wiki/Lithium_sulfide" title="Lithium sulfide">Li<sub>2</sub>S</a> </td> <td><a href="/wiki/Beryllium_sulfide" title="Beryllium sulfide">BeS</a> </td> <td><a href="/wiki/Boron_sulfide" title="Boron sulfide">B<sub>2</sub>S<sub>3</sub></a><br /><a href="/wiki/Borate_sulfide" title="Borate sulfide">+BO<sub>3</sub></a> </td> <td><a href="/wiki/Carbon_disulfide" title="Carbon disulfide">CS<sub>2</sub></a><br /><a href="/wiki/Carbonyl_sulfide" title="Carbonyl sulfide">COS</a> </td> <td><a href="/wiki/Ammonium_hydrosulfide" title="Ammonium hydrosulfide">(NH<sub>4</sub>)SH</a> </td> <td>O </td> <td>F </td> <td>Ne </td></tr> <tr style="background-color:mistyrose"> <td><a href="/wiki/Sodium_sulfide" title="Sodium sulfide">Na<sub>2</sub>S</a> </td> <td><a href="/wiki/Magnesium_sulfide" title="Magnesium sulfide">MgS</a> </td> <td><a href="/wiki/Aluminium_sulfide" title="Aluminium sulfide">Al<sub>2</sub>S<sub>3</sub></a> </td> <td><a href="/wiki/Silicon_monosulfide" title="Silicon monosulfide">SiS</a><br /><a href="/wiki/Silicon_disulfide" title="Silicon disulfide">SiS<sub>2</sub></a><br /><a href="/wiki/Thiosilicate" title="Thiosilicate">-Si</a> </td> <td><a href="/wiki/Phosphorus_sulfide" class="mw-redirect" title="Phosphorus sulfide">P<sub><span class="texhtml mvar" style="font-style:italic;">x</span></sub>S<sub><span class="texhtml mvar" style="font-style:italic;">y</span></sub></a><br /><a href="/wiki/Thiophosphate" title="Thiophosphate">-P</a> </td> <td><a href="/wiki/Disulfides" class="mw-redirect" title="Disulfides">-S<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1.2em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline">2−</sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">2</sub></span></span></a> </td> <td>Cl </td> <td>Ar </td></tr> <tr style="background-color:mistyrose"> <td><a href="/wiki/Potassium_sulfide" title="Potassium sulfide">K<sub>2</sub>S</a> </td> <td><a href="/wiki/Calcium_sulfide" title="Calcium sulfide">CaS</a> </td> <td style="background-color:white;border:none"> </td> <td><a href="/wiki/Scandium_monosulfide" title="Scandium monosulfide">ScS</a><br /><a href="/wiki/Scandium(III)_sulfide" title="Scandium(III) sulfide">Sc<sub>2</sub>S<sub>3</sub></a> </td> <td><a href="/wiki/Titanium(II)_sulfide" title="Titanium(II) sulfide">TiS</a><br /><a href="/wiki/Titanium_disulfide" title="Titanium disulfide">TiS<sub>2</sub></a><br /><a href="/wiki/Titanium(III)_sulfide" title="Titanium(III) sulfide">Ti<sub>2</sub>S<sub>3</sub></a><br /><a href="/wiki/Titanium_trisulfide" title="Titanium trisulfide">TiS<sub>3</sub></a> </td> <td><a href="/w/index.php?title=Vanadium_monosulfide&action=edit&redlink=1" class="new" title="Vanadium monosulfide (page does not exist)">VS</a><br /><a href="/w/index.php?title=Vanadium_disulfide&action=edit&redlink=1" class="new" title="Vanadium disulfide (page does not exist)">VS<sub>2</sub></a><br /><a href="/w/index.php?title=Divanadium_trisulfide&action=edit&redlink=1" class="new" title="Divanadium trisulfide (page does not exist)">V<sub>2</sub>S<sub>3</sub></a> </td> <td><a href="/wiki/Chromium(II)_sulfide" title="Chromium(II) sulfide">CrS</a><br /><a href="/wiki/Chromium(III)_sulfide" title="Chromium(III) sulfide">Cr<sub>2</sub>S<sub>3</sub></a> </td> <td><a href="/wiki/Manganese(II)_sulfide" title="Manganese(II) sulfide">MnS</a><br /><a href="/wiki/Manganese_disulfide" title="Manganese disulfide">MnS<sub>2</sub></a> </td> <td><a href="/wiki/Iron(II)_sulfide" title="Iron(II) sulfide">FeS</a><br /><a href="/wiki/Iron(II,III)_sulfide" title="Iron(II,III) sulfide">Fe<sub>3</sub>S<sub>4</sub></a> </td> <td><a href="/wiki/Cobalt_sulfide" title="Cobalt sulfide">Co<sub><span class="texhtml mvar" style="font-style:italic;">x</span></sub>S<sub><span class="texhtml mvar" style="font-style:italic;">y</span></sub></a> </td> <td><a href="/wiki/Nickel_sulfide" title="Nickel sulfide">Ni<sub><span class="texhtml mvar" style="font-style:italic;">x</span></sub>S<sub><span class="texhtml mvar" style="font-style:italic;">y</span></sub></a> </td> <td><a href="/wiki/Copper(I)_sulfide" title="Copper(I) sulfide">Cu<sub>2</sub>S</a><br /><a href="/wiki/Copper_monosulfide" title="Copper monosulfide">CuS</a> </td> <td><a href="/wiki/Zinc_sulfide" title="Zinc sulfide">ZnS</a> </td> <td><a href="/wiki/Gallium(II)_sulfide" title="Gallium(II) sulfide">GaS</a><br /><a href="/wiki/Gallium(III)_sulfide" title="Gallium(III) sulfide">Ga<sub>2</sub>S<sub>3</sub></a> </td> <td><a href="/wiki/Germanium(II)_sulfide" class="mw-redirect" title="Germanium(II) sulfide">GeS</a><br /><a href="/wiki/Germanium(IV)_sulfide" class="mw-redirect" title="Germanium(IV) sulfide">GeS<sub>2</sub></a><br /><a href="/wiki/Thiogermanate" title="Thiogermanate">-Ge</a> </td> <td><a class="mw-selflink selflink">As<sub>2</sub>S<sub>3</sub></a><br /><a href="/wiki/Tetraarsenic_trisulfide" class="mw-redirect" title="Tetraarsenic trisulfide">As<sub>4</sub>S<sub>3</sub></a><br /><a href="/wiki/Trithioarsenite" title="Trithioarsenite">-As</a> </td> <td><a href="/wiki/Selenium_disulfide" title="Selenium disulfide">SeS<sub>2</sub></a><br /><a href="/wiki/Sulfoselenide" class="mw-redirect" title="Sulfoselenide">+Se</a> </td> <td>Br </td> <td>Kr </td></tr> <tr style="background-color:mistyrose"> <td><a href="/wiki/Rubidium_sulfide" title="Rubidium sulfide">Rb<sub>2</sub>S<sub></sub></a> </td> <td><a href="/wiki/Strontium_sulfide" title="Strontium sulfide">SrS</a> </td> <td style="background-color:white;border:none"> </td> <td><a href="/wiki/Yttrium_sulfide" class="mw-redirect" title="Yttrium sulfide">Y<sub>2</sub>S<sub>3</sub></a> </td> <td><a href="/wiki/Zirconium_disulfide" title="Zirconium disulfide">ZrS<sub>2</sub></a> </td> <td><a href="/wiki/Niobium_disulfide" title="Niobium disulfide">NbS<sub>2</sub></a> </td> <td><a href="/wiki/Molybdenum_disulfide" title="Molybdenum disulfide">MoS<sub>2</sub></a><br /><a href="/wiki/Molybdenum_trisulfide" title="Molybdenum trisulfide">MoS<sub>3</sub></a> </td> <td><a href="/wiki/Technetium_disulphide" class="mw-redirect" title="Technetium disulphide"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">TcS<sub class="template-chem2-sub">2</sub></span></a><br /><a href="/wiki/Technetium(VII)_sulfide" title="Technetium(VII) sulfide"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Tc<sub class="template-chem2-sub">2</sub>S<sub class="template-chem2-sub">7</sub></span></a> </td> <td>Ru </td> <td><a href="/wiki/Rhodium(III)_sulfide" title="Rhodium(III) sulfide">Rh<sub>2</sub>S<sub>3</sub></a> </td> <td><a href="/wiki/Palladium(II)_sulfide" title="Palladium(II) sulfide">PdS</a> </td> <td><a href="/wiki/Silver_sulfide" title="Silver sulfide">Ag<sub>2</sub>S</a> </td> <td><a href="/wiki/Cadmium_sulfide" title="Cadmium sulfide">CdS</a> </td> <td><a href="/wiki/Indium_sulfide" class="mw-redirect" title="Indium sulfide">In<sub>2</sub>S<sub>3</sub></a> </td> <td><a href="/wiki/Tin(II)_sulfide" title="Tin(II) sulfide">SnS</a><br /><a href="/wiki/Tin(IV)_sulfide" title="Tin(IV) sulfide">SnS<sub>2</sub></a><br /><a href="/wiki/Thiostannate" title="Thiostannate">-Sn</a> </td> <td><a href="/wiki/Antimony_trisulfide" title="Antimony trisulfide">Sb<sub>2</sub>S<sub>3</sub></a><br /><a href="/wiki/Antimony_pentasulfide" title="Antimony pentasulfide">Sb<sub>2</sub>S<sub>5</sub></a><br /><a href="/wiki/Thioantimonate" class="mw-redirect" title="Thioantimonate">-Sb</a> </td> <td><a href="/w/index.php?title=Tellurium_disulfide&action=edit&redlink=1" class="new" title="Tellurium disulfide (page does not exist)">TeS<sub>2</sub></a> </td> <td>I </td> <td>Xe </td></tr> <tr style="background-color:mistyrose"> <td><a href="/wiki/Cesium_sulfide" class="mw-redirect" title="Cesium sulfide">Cs<sub>2</sub>S</a> </td> <td><a href="/wiki/Barium_sulfide" title="Barium sulfide">BaS</a> </td> <td style="background-color:white;border:none">* </td> <td><a href="/w/index.php?title=Lutetium_monosulfide&action=edit&redlink=1" class="new" title="Lutetium monosulfide (page does not exist)">LuS</a><br /><a href="/w/index.php?title=Lutetium(III)_sulfide&action=edit&redlink=1" class="new" title="Lutetium(III) sulfide (page does not exist)">Lu<sub>2</sub>S<sub>3</sub></a> </td> <td><a href="/wiki/Hafnium_disulfide" title="Hafnium disulfide">HfS<sub>2</sub></a> </td> <td><a href="/wiki/Tantalum(IV)_sulfide" title="Tantalum(IV) sulfide">TaS<sub>2</sub></a> </td> <td><a href="/wiki/Tungsten_disulfide" title="Tungsten disulfide">WS<sub>2</sub></a><br /><a href="/wiki/Tungsten_trisulfide" title="Tungsten trisulfide">WS<sub>3</sub></a> </td> <td><a href="/wiki/Rhenium_disulfide" title="Rhenium disulfide">ReS<sub>2</sub></a><br /><a href="/wiki/Rhenium(VII)_sulfide" title="Rhenium(VII) sulfide">Re<sub>2</sub>S<sub>7</sub></a> </td> <td><a href="/wiki/Osmium_tetrasulfide" title="Osmium tetrasulfide"><span class="chemf nowrap">OsS<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">4</sub></span></span></span></a> </td> <td><a href="/wiki/Iridium(III)_sulfide" title="Iridium(III) sulfide">Ir<sub>2</sub>S<sub>3</sub></a><br /><a href="/wiki/Iridium_disulfide" title="Iridium disulfide">IrS<sub>2</sub></a> </td> <td><a href="/wiki/Platinum(II)_sulfide" title="Platinum(II) sulfide">PtS</a><br /><a href="/wiki/Platinum_disulfide" title="Platinum disulfide">PtS<sub>2</sub></a> </td> <td><a href="/wiki/Gold(I)_sulfide" title="Gold(I) sulfide">Au<sub>2</sub>S</a><br /><a href="/wiki/Gold(III)_sulfide" title="Gold(III) sulfide">Au<sub>2</sub>S<sub>3</sub></a> </td> <td><a href="/wiki/Mercury_sulfide" title="Mercury sulfide">HgS</a> </td> <td><a href="/wiki/Thallium_sulfide" class="mw-redirect" title="Thallium sulfide">Tl<sub>2</sub>S</a> </td> <td><a href="/wiki/Lead(II)_sulfide" title="Lead(II) sulfide">PbS</a><br /><a href="/wiki/Lead(IV)_sulfide" title="Lead(IV) sulfide">PbS<sub>2</sub></a> </td> <td><a href="/wiki/Bismuth_sulfide" class="mw-redirect" title="Bismuth sulfide">Bi<sub>2</sub>S<sub>3</sub></a> </td> <td><a href="/wiki/Polonium_sulfide" title="Polonium sulfide">PoS</a> </td> <td>At </td> <td>Rn </td></tr> <tr style="background-color:mistyrose"> <td>Fr </td> <td>Ra </td> <td style="background-color:white;border:none">** </td> <td>Lr </td> <td>Rf </td> <td>Db </td> <td>Sg </td> <td>Bh </td> <td>Hs </td> <td>Mt </td> <td>Ds </td> <td>Rg </td> <td>Cn </td> <td>Nh </td> <td>Fl </td> <td>Mc </td> <td>Lv </td> <td>Ts </td> <td>Og </td></tr> <tr> <td style="background-color:white;border:none" colspan="2" rowspan="3"> </td> <td style="background-color:white;border:none" colspan="20">  </td></tr> <tr style="background-color:mistyrose"> <td style="background-color:white;border:none">* </td> <td><a href="/wiki/Lanthanum_monosulfide" title="Lanthanum monosulfide">LaS</a><br /><a href="/wiki/Lanthanum(III)_sulfide" title="Lanthanum(III) sulfide">La<sub>2</sub>S<sub>3</sub></a> </td> <td><a href="/wiki/Cerium_monosulfide" title="Cerium monosulfide">CeS</a><br /><a href="/wiki/Cerium(III)_sulfide" title="Cerium(III) sulfide">Ce<sub>2</sub>S<sub>3</sub></a> </td> <td><a href="/wiki/Praseodymium_monosulfide" title="Praseodymium monosulfide">PrS</a><br /><a href="/wiki/Praseodymium(III)_sulfide" title="Praseodymium(III) sulfide">Pr<sub>2</sub>S<sub>3</sub></a> </td> <td><a href="/wiki/Neodymium_monosulfide" title="Neodymium monosulfide">NdS</a><br /><a href="/wiki/Neodymium(III)_sulfide" title="Neodymium(III) sulfide">Nd<sub>2</sub>S<sub>3</sub></a> </td> <td><a href="/wiki/Promethium_monosulfide" title="Promethium monosulfide">PmS</a><br /><a href="/wiki/Promethium(III)_sulfide" title="Promethium(III) sulfide">Pm<sub>2</sub>S<sub>3</sub></a> </td> <td><a href="/wiki/Samarium_monosulfide" title="Samarium monosulfide">SmS</a><br /><a href="/wiki/Samarium(III)_sulfide" title="Samarium(III) sulfide">Sm<sub>2</sub>S<sub>3</sub></a> </td> <td><a href="/wiki/Europium(II)_sulfide" title="Europium(II) sulfide">EuS</a><br /><a href="/w/index.php?title=Europium(III)_sulfide&action=edit&redlink=1" class="new" title="Europium(III) sulfide (page does not exist)">Eu<sub>2</sub>S<sub>3</sub></a> </td> <td><a href="/wiki/Gadolinium_monosulfide" title="Gadolinium monosulfide">GdS</a><br /><a href="/w/index.php?title=Gadolinium(III)_sulfide&action=edit&redlink=1" class="new" title="Gadolinium(III) sulfide (page does not exist)">Gd<sub>2</sub>S<sub>3</sub></a> </td> <td><a href="/wiki/Terbium_monosulfide" title="Terbium monosulfide">TbS</a><br /><a href="/w/index.php?title=Terbium(III)_sulfide&action=edit&redlink=1" class="new" title="Terbium(III) sulfide (page does not exist)">Tb<sub>2</sub>S<sub>3</sub></a> </td> <td><a href="/wiki/Dysprosium_monosulfide" title="Dysprosium monosulfide">DyS</a><br /><a href="/wiki/Dysprosium(III)_sulfide" title="Dysprosium(III) sulfide">Dy<sub>2</sub>S<sub>3</sub></a> </td> <td><a href="/wiki/Holmium_monosulfide" title="Holmium monosulfide">HoS</a><br /><a href="/wiki/Holmium(III)_sulfide" title="Holmium(III) sulfide">Ho<sub>2</sub>S<sub>3</sub></a> </td> <td><a href="/w/index.php?title=Erbium_monosulfide&action=edit&redlink=1" class="new" title="Erbium monosulfide (page does not exist)">ErS</a><br /><a href="/w/index.php?title=Erbium(III)_sulfide&action=edit&redlink=1" class="new" title="Erbium(III) sulfide (page does not exist)">Er<sub>2</sub>S<sub>3</sub></a> </td> <td><a href="/w/index.php?title=Thulium_monosulfide&action=edit&redlink=1" class="new" title="Thulium monosulfide (page does not exist)">TmS</a><br /><a href="/w/index.php?title=Thulium(III)_sulfide&action=edit&redlink=1" class="new" title="Thulium(III) sulfide (page does not exist)">Tm<sub>2</sub>S<sub>3</sub></a> </td> <td><a href="/wiki/Ytterbium(II)_sulfide" title="Ytterbium(II) sulfide">YbS</a><br /><a href="/wiki/Ytterbium(III)_sulfide" title="Ytterbium(III) sulfide">Yb<sub>2</sub>S<sub>3</sub></a> </td></tr> <tr style="background-color:mistyrose"> <td style="background-color:white;border:none">** </td> <td><a href="/wiki/Actinium(III)_sulfide" title="Actinium(III) sulfide">Ac<sub>2</sub>S<sub>3</sub></a> </td> <td><a href="/wiki/Thorium(IV)_sulfide" title="Thorium(IV) sulfide">ThS<sub>2</sub></a> </td> <td>Pa </td> <td><a href="/wiki/Uranium_monosulfide" title="Uranium monosulfide">US</a><br /><a href="/wiki/Uranium_disulfide" title="Uranium disulfide">US<sub>2</sub></a> </td> <td>Np </td> <td>Pu </td> <td>Am </td> <td>Cm </td> <td>Bk </td> <td>Cf </td> <td>Es </td> <td>Fm </td> <td>Md </td> <td>No </td></tr></tbody></table></div> </div></td></tr></tbody></table></div>    </div><noscript><img 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