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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/%D8%B3%D9%8A%D8%A7%D9%86%D9%8A%D8%AF_%D8%A7%D9%84%D9%83%D8%A7%D9%84%D8%B3%D9%8A%D9%88%D9%85" title="سيانيد الكالسيوم – Arabic" lang="ar" hreflang="ar" data-title="سيانيد الكالسيوم" 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/%DA%A9%D9%84%D8%B3%DB%8C%D9%88%D9%85_%D8%B3%DB%8C%D8%A7%D9%86%DB%8C%D8%AF" title="کلسیوم سیانید – South Azerbaijani" lang="azb" hreflang="azb" data-title="کلسیوم سیانید" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Kyanid_v%C3%A1penat%C3%BD" title="Kyanid vápenatý – Czech" lang="cs" hreflang="cs" data-title="Kyanid vápenatý" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Calciumcyanid" title="Calciumcyanid – German" lang="de" hreflang="de" data-title="Calciumcyanid" 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/Cianuro_de_calcio" title="Cianuro de calcio – Spanish" lang="es" hreflang="es" data-title="Cianuro de calcio" 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/%DA%A9%D9%84%D8%B3%DB%8C%D9%85_%D8%B3%DB%8C%D8%A7%D9%86%DB%8C%D8%AF" title="کلسیم سیانید – Persian" lang="fa" hreflang="fa" data-title="کلسیم سیانید" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Cyanure_de_calcium" title="Cyanure de calcium – French" lang="fr" hreflang="fr" data-title="Cyanure de calcium" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%82%AC%EC%9D%B4%EC%95%88%ED%99%94_%EC%B9%BC%EC%8A%98" title="사이안화 칼슘 – Korean" lang="ko" hreflang="ko" data-title="사이안화 칼슘" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%95%E0%B4%BE%E0%B5%BD%E0%B4%B8%E0%B5%8D%E0%B4%AF%E0%B4%82_%E0%B4%B8%E0%B4%AF%E0%B4%A8%E0%B5%88%E0%B4%A1%E0%B5%8D" title="കാൽസ്യം സയനൈഡ് – Malayalam" lang="ml" hreflang="ml" data-title="കാൽസ്യം സയനൈഡ്" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Calciumcyanide" title="Calciumcyanide – Dutch" lang="nl" hreflang="nl" data-title="Calciumcyanide" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%82%B7%E3%82%A2%E3%83%B3%E5%8C%96%E3%82%AB%E3%83%AB%E3%82%B7%E3%82%A6%E3%83%A0" title="シアン化カルシウム – Japanese" lang="ja" hreflang="ja" data-title="シアン化カルシウム" 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-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A6%D0%B8%D0%B0%D0%BD%D0%B8%D0%B4_%D0%BA%D0%B0%D0%BB%D1%8C%D1%86%D0%B8%D1%8F" title="Цианид кальция – Russian" lang="ru" hreflang="ru" data-title="Цианид кальция" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Kalcijum_cijanid" title="Kalcijum cijanid – Serbian" lang="sr" hreflang="sr" data-title="Kalcijum cijanid" 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/Kalcijum_cijanid" title="Kalcijum cijanid – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Kalcijum cijanid" 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/Kalsiumsyanidi" title="Kalsiumsyanidi – Finnish" lang="fi" hreflang="fi" data-title="Kalsiumsyanidi" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AE%BE%E0%AE%B2%E0%AF%8D%E0%AE%9A%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D_%E0%AE%9A%E0%AE%AF%E0%AE%A9%E0%AF%88%E0%AE%9F%E0%AF%81" title="கால்சியம் சயனைடு – Tamil" lang="ta" hreflang="ta" data-title="கால்சியம் சயனைடு" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A6%D1%96%D0%B0%D0%BD%D1%96%D0%B4_%D0%BA%D0%B0%D0%BB%D1%8C%D1%86%D1%96%D1%8E" title="Ціанід кальцію – Ukrainian" lang="uk" hreflang="uk" data-title="Ціанід кальцію" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Calci_cyanide" title="Calci cyanide – Vietnamese" lang="vi" hreflang="vi" data-title="Calci cyanide" 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/%E6%B0%B0%E5%8C%96%E9%92%99" title="氰化钙 – Chinese" lang="zh" hreflang="zh" data-title="氰化钙" 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/Q420491#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> 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.ib-chembox figure:not(.skin-invert-image):not(.skin-invert):not(.bg-transparent){background:var(--background-color-inverted,#f8f9fa)}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .ib-chembox figure:not(.skin-invert-image):not(.skin-invert):not(.bg-transparent){background:var(--background-color-inverted,#f8f9fa)}}</style> <table class="infobox ib-chembox"> <caption>Calcium cyanide </caption> <tbody><tr> <td colspan="2" style="text-align:center; padding:2px;"><figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/File:Calcium_cyanide_structure.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/66/Calcium_cyanide_structure.svg/150px-Calcium_cyanide_structure.svg.png" decoding="async" width="150" height="74" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/66/Calcium_cyanide_structure.svg/225px-Calcium_cyanide_structure.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/66/Calcium_cyanide_structure.svg/300px-Calcium_cyanide_structure.svg.png 2x" data-file-width="512" data-file-height="254" /></a><figcaption></figcaption></figure> </td></tr> <tr> <th colspan="2" style="background: #f8eaba;color:inherit; text-align: center;">Names </th></tr> <tr> <td colspan="2" style="text-align:left;"><a href="/wiki/Chemical_nomenclature" title="Chemical nomenclature">IUPAC name</a> <div style="max-width:22em; word-wrap:break-word; padding-left:1.7em;">calcium dicyanide</div> </td></tr> <tr> <td colspan="2" style="text-align:left;"><a href="/wiki/Chemical_nomenclature#Systematic_name" title="Chemical nomenclature">Systematic 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;">calcium dicyanide</div></div> </td></tr> <tr> <th colspan="2" style="background: #f8eaba;color:inherit; 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><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><span title="commonchemistry.cas.org"><a rel="nofollow" class="external text" href="https://commonchemistry.cas.org/detail?cas_rn=592-01-8">592-01-8</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=%5BCa%2B2%5D.%5BC-%5D%23N.%5BC-%5D%23N">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.11102.html">11102</a></span></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/100.008.856">100.008.856</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q420491#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>209-740-0</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/11590">11590</a></span></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/07DFJ2NTDD">07DFJ2NTDD</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/DTXSID6023941">DTXSID6023941</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q420491#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;"><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/2CN.Ca/c2*1-2;/q2*-1;+2</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;"><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%;">[Ca+2].[C-]#N.[C-]#N</div></li></ul> </div> </td></tr> <tr> <th colspan="2" style="background: #f8eaba;color:inherit; 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>Ca(CN)<sub>2</sub>  </td></tr> <tr> <td><a href="/wiki/Molar_mass" title="Molar mass">Molar mass</a> </td> <td>92.1128 g/mol    </td></tr> <tr> <td>Appearance </td> <td>white powder </td></tr> <tr> <td><a href="/wiki/Odor" title="Odor">Odor</a> </td> <td><a href="/wiki/Hydrogen_cyanide" title="Hydrogen cyanide">hydrogen cyanide</a> </td></tr> <tr> <td><a href="/wiki/Density" title="Density">Density</a> </td> <td>1.853 (20 °C) </td></tr> <tr> <td><a href="/wiki/Melting_point" title="Melting point">Melting point</a> </td> <td>640 °C (1,184 °F; 913 K) (decomposes) </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>soluble </td></tr> <tr> <td><a href="/wiki/Solubility" title="Solubility">Solubility</a> </td> <td>soluble in <a href="/wiki/Ethanol" title="Ethanol">alcohol</a>, weak acids </td></tr> <tr> <th colspan="2" style="background: #f8eaba;color:inherit; text-align: center;">Structure </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>rhombohedric </td></tr> <tr> <th colspan="2" style="background: #f8eaba;color:inherit; text-align: center;">Hazards </th></tr> <tr> <td colspan="2" style="text-align:left; background-color:#eaeaea;color:inherit;"><b><a href="/wiki/Occupational_safety_and_health" title="Occupational safety and health">Occupational safety and health</a></b> (OHS/OSH): </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Main hazards</div> </td> <td>Highly Toxic </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_d3e6eec55e9cb09f" /></span><map name="ImageMap_d3e6eec55e9cb09f"><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 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calcium" title="Instability 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calcium" /><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 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calcium" class="notheme mw-no-invert">1</span></a></div></div></div></div> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Autoignition_temperature" title="Autoignition temperature">Autoignition<br />temperature</a></div> </td> <td>Non-flammable </td></tr> <tr> <td colspan="2" style="text-align:left; background-color:#eaeaea;color:inherit;"><b>Lethal dose</b> or concentration (LD, LC): </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">LD<sub>50</sub> (<a href="/wiki/Lethal_dose#LD50" title="Lethal dose">median dose</a>)</div> </td> <td>39 mg/kg rat, oral<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </td></tr> <tr id="cite_ref-2" class="cite-bracket"> <td colspan="2" style="text-align:left; background:#f8eaba; color:inherit; 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> <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>Calcium cyanide</b> is the <a href="/wiki/Inorganic_compound" title="Inorganic compound">inorganic compound</a> with the <a href="/wiki/Chemical_formula" title="Chemical formula">formula</a> Ca(CN)<sub>2</sub>. It is the <a href="/wiki/Calcium" title="Calcium">calcium</a> <a href="/wiki/Salt_(chemistry)" title="Salt (chemistry)">salt</a> derived from <a href="/wiki/Hydrocyanic_acid" class="mw-redirect" title="Hydrocyanic acid">hydrocyanic acid</a>. It is a white solid, although the pure material is rarely encountered. It slowly <a href="/wiki/Hydrolyse" class="mw-redirect" title="Hydrolyse">hydrolyses</a> in solution or <a href="/wiki/Moisture" title="Moisture">moist</a> <a href="/wiki/Air" class="mw-redirect" title="Air">air</a> to release hydrogen cyanide and is very <a href="/wiki/Toxic" class="mw-redirect" title="Toxic">toxic</a>.<sup id="cite_ref-Ullmann_3-0" class="reference"><a href="#cite_note-Ullmann-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Preparation">Preparation</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Calcium_cyanide&action=edit&section=1" title="Edit section: Preparation"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Solutions of calcium cyanide can be prepared by treating <a href="/wiki/Calcium_hydroxide" title="Calcium hydroxide">calcium hydroxide</a> with <a href="/wiki/Hydrogen_cyanide" title="Hydrogen cyanide">hydrogen cyanide</a>. Solid calcium cyanide is produced commercially by heating <a href="/wiki/Calcium_cyanamide" title="Calcium cyanamide">calcium cyanamide</a> with <a href="/wiki/Sodium_chloride" title="Sodium chloride">sodium chloride</a>. The reaction is incomplete. The product is only of 50% purity, other components being sodium cyanide, <a href="/wiki/Calcium_cyanamide" title="Calcium cyanamide">calcium cyanamide</a>, and carbon. Because of the carbon impurity, the solid is black, hence material is often called <b>black cyanide</b>.<sup id="cite_ref-Ullmann_3-1" class="reference"><a href="#cite_note-Ullmann-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Reactivity">Reactivity</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Calcium_cyanide&action=edit&section=2" title="Edit section: Reactivity"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>At temperatures around 600 °C, calcium cyanide converts to calcium cyanamide:<sup id="cite_ref-Manheim_4-0" class="reference"><a href="#cite_note-Manheim-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><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> </p> <dl><dd>Ca(CN)<sub>2</sub> → CaCN<sub>2</sub> + C</dd></dl> <p>It is suspected that this reaction is one step in the conversion of calcium carbide with nitrogen gas. The ratio of calcium cyanide to calcium cyanamide is sensitive to the presence of alkali metal halides, such as sodium chloride. </p><p>Calcium cyanide <a href="/wiki/Hydrolyzes" class="mw-redirect" title="Hydrolyzes">hydrolyzes</a> upon acidification to form <a href="/wiki/Hydrogen_cyanide" title="Hydrogen cyanide">hydrogen cyanide</a>: </p> <dl><dd>Ca(CN)<sub>2</sub> + 2<span class="nowrap"> </span>H<sup>+</sup> → Ca<sup>2+</sup> + 2<span class="nowrap"> </span>HCN</dd></dl> <p>Calcium cyanide reacts with <a href="/wiki/Ammonium_carbonate" title="Ammonium carbonate">ammonium carbonate</a> to give produce <a href="/wiki/Ammonium_cyanide" title="Ammonium cyanide">ammonium cyanide</a>: </p> <dl><dd>Ca(CN)<sub>2</sub> + (NH<sub>4</sub>)<sub>2</sub>CO<sub>3</sub> → 2<span class="nowrap"> </span>NH<sub>4</sub>CN + CaCO<sub>3</sub></dd></dl> <div class="mw-heading mw-heading2"><h2 id="Uses">Uses</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Calcium_cyanide&action=edit&section=3" title="Edit section: Uses"><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">Main article: <a href="/wiki/Gold_cyanidation" title="Gold cyanidation">Gold cyanidation</a></div> <p>Calcium cyanide is used almost exclusively in the mining industry. It serves as an inexpensive source of <a href="/wiki/Cyanide" title="Cyanide">cyanide</a> in many leaching or vat operation to obtain precious metals such as <a href="/wiki/Gold" title="Gold">gold</a> and <a href="/wiki/Silver" title="Silver">silver</a> from their ores.<sup id="cite_ref-Ullmann_3-2" class="reference"><a href="#cite_note-Ullmann-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Gold_Industry_6-0" class="reference"><a href="#cite_note-Gold_Industry-6"><span class="cite-bracket">[</span>6<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=Calcium_cyanide&action=edit&section=4" 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">Main article: <a href="/wiki/Cyanide_poisoning" title="Cyanide poisoning">cyanide poisoning</a></div> <p>Like other cyanide salts, this compound is highly toxic and its use is strictly regulated. </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=Calcium_cyanide&action=edit&section=5" 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"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</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 class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.gestis.dguv.de">"GESTIS-Stoffdatenbank"</a>. <i>gestis-dguv-de</i><span class="reference-accessdate">. Retrieved <span class="nowrap">2022-04-16</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=gestis-dguv-de&rft.atitle=GESTIS-Stoffdatenbank&rft_id=https%3A%2F%2Fwww.gestis.dguv.de&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACalcium+cyanide" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://cameochemicals.noaa.gov/chemical/2775">"CALCIUM CYANIDE | CAMEO Chemicals | NOAA"</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=CALCIUM+CYANIDE+%26%23124%3B+CAMEO+Chemicals+%26%23124%3B+NOAA&rft_id=http%3A%2F%2Fcameochemicals.noaa.gov%2Fchemical%2F2775&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACalcium+cyanide" class="Z3988"></span></span> </li> <li id="cite_note-Ullmann-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-Ullmann_3-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Ullmann_3-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Ullmann_3-2"><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="CITEREFGailGosKulzerLorösch2004" class="citation encyclopaedia cs1">Gail, Ernst; Gos, Stephen; Kulzer, Rupprecht; Lorösch, Jürgen; Rubo, Andreas; Sauer, Manfred (2004). "Cyano Compounds, Inorganic". <i><a href="/wiki/Ullmann%27s_Encyclopedia_of_Industrial_Chemistry" title="Ullmann's Encyclopedia of Industrial Chemistry">Ullmann's Encyclopedia of Industrial Chemistry</a></i>. Weinheim: Wiley-VCH. <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%2F14356007.a08_159.pub2">10.1002/14356007.a08_159.pub2</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/3527306730" title="Special:BookSources/3527306730"><bdi>3527306730</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Cyano+Compounds%2C+Inorganic&rft.btitle=Ullmann%27s+Encyclopedia+of+Industrial+Chemistry&rft.place=Weinheim&rft.pub=Wiley-VCH&rft.date=2004&rft_id=info%3Adoi%2F10.1002%2F14356007.a08_159.pub2&rft.isbn=3527306730&rft.aulast=Gail&rft.aufirst=Ernst&rft.au=Gos%2C+Stephen&rft.au=Kulzer%2C+Rupprecht&rft.au=Lor%C3%B6sch%2C+J%C3%BCrgen&rft.au=Rubo%2C+Andreas&rft.au=Sauer%2C+Manfred&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACalcium+cyanide" class="Z3988"></span></span> </li> <li id="cite_note-Manheim-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-Manheim_4-0">^</a></b></span> <span class="reference-text">"Production of Hydrocyanic Acid" <i>United States Patent Office.</i> <b>1933</b>.(accessed April 22, 2012).</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"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFThomas_GüthnerBernd_Mertschenk2006" class="citation encyclopaedia cs1">Thomas Güthner; Bernd Mertschenk (2006). "Cyanamides". <i>Ullmann's Encyclopedia of Industrial Chemistry</i>. Weinheim: <a href="/wiki/Wiley-VCH" title="Wiley-VCH">Wiley-VCH</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%2F14356007.a08_139.pub2">10.1002/14356007.a08_139.pub2</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/3527306730" title="Special:BookSources/3527306730"><bdi>3527306730</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Cyanamides&rft.btitle=Ullmann%27s+Encyclopedia+of+Industrial+Chemistry&rft.place=Weinheim&rft.pub=Wiley-VCH&rft.date=2006&rft_id=info%3Adoi%2F10.1002%2F14356007.a08_139.pub2&rft.isbn=3527306730&rft.au=Thomas+G%C3%BCthner&rft.au=Bernd+Mertschenk&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACalcium+cyanide" class="Z3988"></span></span> </li> <li id="cite_note-Gold_Industry-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-Gold_Industry_6-0">^</a></b></span> <span class="reference-text">"Use of Cyanide for the Gold Industry" <i>International Cyanide Management Code for the Use of Cyanide in the Gold .</i> <b>2011</b>. <a rel="nofollow" class="external free" href="http://www.cyanidecode.org/cyanide_use.php">http://www.cyanidecode.org/cyanide_use.php</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20120229195438/http://www.cyanidecode.org/cyanide_use.php">Archived</a> 2012-02-29 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a> (accessed April 22, 2012).</span> </li> </ol></div></div> <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=Calcium_cyanide&action=edit&section=6" 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.epa.gov/iris/subst/0060.htm">Hydrogen Cyanide and Cyanide Salts (CASRN Various)</a></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist 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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"><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini 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template">e</abbr></a></li></ul></div><div id="Salts_and_covalent_derivatives_of_the_cyanide_ion134" style="font-size:114%;margin:0 4em">Salts and covalent derivatives of the <a href="/wiki/Cyanide" title="Cyanide">cyanide</a> ion</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_cyanide" title="Hydrogen cyanide">HCN</a> </td> <td style="background-color:white;color:inherit;border:none"> </td> <td style="background-color:white;color:inherit;border:none" colspan="11" rowspan="3"> </td> <td style="background-color:white;color:inherit;border:none" colspan="5"> </td> <td>He </td></tr> <tr style="background-color:mistyrose;color:black;"> <td><a href="/wiki/Lithium_cyanide" title="Lithium cyanide">LiCN</a> </td> <td><a href="/w/index.php?title=Beryllium_cyanide&action=edit&redlink=1" class="new" title="Beryllium cyanide (page does not exist)"><style data-mw-deduplicate="TemplateStyles:r1123817410">'"`UNIQ--templatestyles-00000030-QINU`"'</style><span class="chemf nowrap">Be(CN)<sub class="template-chem2-sub">2</sub></span></a> </td> <td><a href="/w/index.php?title=Boron_cyanide&action=edit&redlink=1" class="new" title="Boron cyanide (page does not exist)">B(CN)<sub>3</sub></a> </td> <td><a href="/wiki/Tetracyanomethane" title="Tetracyanomethane">C(CN)<sub>4</sub></a><br /><a href="/wiki/Dicyanoacetylene" title="Dicyanoacetylene">C<sub>2</sub>(CN)<sub>2</sub></a> </td> <td><a href="/wiki/Ammonium_cyanide" title="Ammonium cyanide"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">NH<sub class="template-chem2-sub">4</sub>CN</span></a><br /><a href="/wiki/Nitrosyl_cyanide" title="Nitrosyl cyanide">ONCN</a><br /><a href="/wiki/Nitryl_cyanide" title="Nitryl cyanide"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">O<sub class="template-chem2-sub">2</sub>NCN</span></a><br /><a href="/wiki/Cyanogen_azide" title="Cyanogen azide"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">N<sub class="template-chem2-sub">3</sub>CN</span></a> </td> <td><a href="/wiki/Cyanate" title="Cyanate"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">OCN<sup class="template-chem2-sup">−</sup></span></a><br /><a href="/wiki/Isocyanate" title="Isocyanate">-NCO</a><br /><a href="/w/index.php?title=Dicyanoether&action=edit&redlink=1" class="new" title="Dicyanoether (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">O(CN)<sub class="template-chem2-sub">2</sub></span></a> </td> <td><a href="/wiki/Cyanogen_fluoride" title="Cyanogen fluoride">FCN</a> </td> <td>Ne </td></tr> <tr style="background-color:mistyrose;color:black;"> <td><a href="/wiki/Sodium_cyanide" title="Sodium cyanide">NaCN</a> </td> <td><a href="/wiki/Magnesium_cyanide" title="Magnesium cyanide"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Mg(CN)<sub class="template-chem2-sub">2</sub></span></a> </td> <td><a href="/wiki/Aluminium_cyanide" title="Aluminium cyanide"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Al(CN)<sub class="template-chem2-sub">3</sub></span></a> </td> <td><a href="/w/index.php?title=Silicon_tetracyanide&action=edit&redlink=1" class="new" title="Silicon tetracyanide (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Si(CN)<sub class="template-chem2-sub">4</sub></span></a><br /><a href="/wiki/Trimethylsilyl_cyanide" title="Trimethylsilyl cyanide"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">(CH<sub class="template-chem2-sub">3</sub>)<sub class="template-chem2-sub">3</sub>SiCN</span></a> </td> <td><a href="/wiki/Phosphorus_tricyanide" title="Phosphorus tricyanide"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">P(CN)<sub class="template-chem2-sub">3</sub></span></a> </td> <td><a href="/wiki/Thiocyanate" title="Thiocyanate"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">SCN<sup class="template-chem2-sup">−</sup></span></a><br /><a href="/wiki/Isothiocyanate" title="Isothiocyanate">-NCS</a><br /><a href="/wiki/Thiocyanogen" title="Thiocyanogen"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">(SCN)<sub class="template-chem2-sub">2</sub></span></a><br /><a href="/wiki/Sulfur_dicyanide" title="Sulfur dicyanide"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">S(CN)<sub class="template-chem2-sub">2</sub></span></a> </td> <td><a href="/wiki/Cyanogen_chloride" title="Cyanogen chloride">ClCN</a> </td> <td>Ar </td></tr> <tr style="background-color:mistyrose;color:black;"> <td><a href="/wiki/Potassium_cyanide" title="Potassium cyanide">KCN</a> </td> <td><a class="mw-selflink selflink"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Ca(CN)<sub class="template-chem2-sub">2</sub></span></a> </td> <td style="background-color:white;color:inherit;border:none"> </td> <td><a href="/w/index.php?title=Scandium_cyanide&action=edit&redlink=1" class="new" title="Scandium cyanide (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Sc(CN)<sub class="template-chem2-sub">3</sub></span></a> </td> <td>Ti </td> <td>V </td> <td><a href="/wiki/Potassium_hexacyanochromate(III)" title="Potassium hexacyanochromate(III)">Cr(CN)<sub>6</sub><sup>3−</sup></a> </td> <td>Mn </td> <td><a href="/wiki/Iron(II)_cyanide" title="Iron(II) cyanide">Fe(CN)<sub>2</sub></a><br /><a href="/wiki/Ferrocyanide" title="Ferrocyanide">Fe(CN)<sub>6</sub><sup>4−</sup></a><br /><a href="/wiki/Ferricyanide" title="Ferricyanide">Fe(CN)<sub>6</sub><sup>3−</sup></a> </td> <td><a href="/wiki/Cobalt(II)_cyanide" title="Cobalt(II) cyanide"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Co(CN)<sub class="template-chem2-sub">2</sub></span></a><br /><a href="/wiki/Pentacyanocobaltate" title="Pentacyanocobaltate">Co(CN)<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">3−</sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">5</sub></span></span></a> </td> <td><a href="/wiki/Nickel_dicyanide" title="Nickel dicyanide"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Ni(CN)<sub class="template-chem2-sub">2</sub></span></a><br /><a href="/wiki/Cyanonickelate" title="Cyanonickelate">Ni(CN)<sub>4</sub><sup>2−</sup></a><br /><a href="/w/index.php?title=Cyanonickelate(0)&action=edit&redlink=1" class="new" title="Cyanonickelate(0) (page does not exist)">Ni(CN)<sub>4</sub><sup>4−</sup></a> </td> <td><a href="/wiki/Copper(I)_cyanide" title="Copper(I) cyanide">CuCN</a> </td> <td><a href="/wiki/Zinc_cyanide" title="Zinc cyanide"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Zn(CN)<sub class="template-chem2-sub">2</sub></span></a> </td> <td><a href="/wiki/Gallium(III)_cyanide" title="Gallium(III) cyanide"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Ga(CN)<sub class="template-chem2-sub">3</sub></span></a> </td> <td><a href="/w/index.php?title=Germanium_dicyanide&action=edit&redlink=1" class="new" title="Germanium dicyanide (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Ge(CN)<sub class="template-chem2-sub">2</sub></span></a><br /><a href="/w/index.php?title=Germanium_tetracyanide&action=edit&redlink=1" class="new" title="Germanium tetracyanide (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Ge(CN)<sub class="template-chem2-sub">4</sub></span></a> </td> <td><a href="/w/index.php?title=Arsenic_tricyanide&action=edit&redlink=1" class="new" title="Arsenic tricyanide (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">As(CN)<sub class="template-chem2-sub">3</sub></span></a><br /><a href="/wiki/Cacodyl_cyanide" title="Cacodyl cyanide"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">(CH<sub class="template-chem2-sub">3</sub>)<sub class="template-chem2-sub">2</sub>AsCN</span></a><br /><a href="/wiki/Diphenylcyanoarsine" title="Diphenylcyanoarsine"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">(C<sub class="template-chem2-sub">6</sub>H<sub class="template-chem2-sub">5</sub>)<sub class="template-chem2-sub">2</sub>AsCN</span></a> </td> <td><a href="/wiki/Selenocyanate" title="Selenocyanate"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">SeCN<sup class="template-chem2-sup">−</sup></span></a><br /><a href="/w/index.php?title=Selenocyanogen&action=edit&redlink=1" class="new" title="Selenocyanogen (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">(SeCN)<sub class="template-chem2-sub">2</sub></span></a><br /><a href="/w/index.php?title=Selenium_dicyanide&action=edit&redlink=1" class="new" title="Selenium dicyanide (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Se(CN)<sub class="template-chem2-sub">2</sub></span></a> </td> <td><a href="/wiki/Cyanogen_bromide" title="Cyanogen bromide">BrCN</a> </td> <td>Kr </td></tr> <tr style="background-color:mistyrose;color:black;"> <td><a href="/wiki/Rubidium_cyanide" title="Rubidium cyanide">RbCN</a> </td> <td><a href="/w/index.php?title=Strontium_cyanide&action=edit&redlink=1" class="new" title="Strontium cyanide (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Sr(CN)<sub class="template-chem2-sub">2</sub></span></a> </td> <td style="background-color:white;color:inherit;border:none"> </td> <td><a href="/w/index.php?title=Yttrium_cyanide&action=edit&redlink=1" class="new" title="Yttrium cyanide (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Y(CN)<sub class="template-chem2-sub">3</sub></span></a> </td> <td>Zr </td> <td>Nb </td> <td><a href="/wiki/Potassium_octacyanomolybdate(IV)" title="Potassium octacyanomolybdate(IV)">Mo(CN)<sub>8</sub><sup>4−</sup></a> </td> <td>Tc </td> <td>Ru </td> <td>Rh </td> <td><a href="/wiki/Palladium_dicyanide" title="Palladium dicyanide"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Pd(CN)<sub class="template-chem2-sub">2</sub></span></a> </td> <td><a href="/wiki/Silver_cyanide" title="Silver cyanide">AgCN</a> </td> <td><a href="/wiki/Cadmium_cyanide" title="Cadmium cyanide"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Cd(CN)<sub class="template-chem2-sub">2</sub></span></a> </td> <td><a href="/w/index.php?title=Indium_cyanide&action=edit&redlink=1" class="new" title="Indium cyanide (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">In(CN)<sub class="template-chem2-sub">3</sub></span></a> </td> <td><a href="/w/index.php?title=Tin(II)_cyanide&action=edit&redlink=1" class="new" title="Tin(II) cyanide (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Sn(CN)<sub class="template-chem2-sub">2</sub></span></a> </td> <td><a href="/w/index.php?title=Antimony_cyanide&action=edit&redlink=1" class="new" title="Antimony cyanide (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Sb(CN)<sub class="template-chem2-sub">3</sub></span></a> </td> <td><a href="/w/index.php?title=Tellurium_dicyanide&action=edit&redlink=1" class="new" title="Tellurium dicyanide (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Te(CN)<sub class="template-chem2-sub">2</sub></span></a><br /><a href="/w/index.php?title=Tellurium_tetracyanide&action=edit&redlink=1" class="new" title="Tellurium tetracyanide (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Te(CN)<sub class="template-chem2-sub">4</sub></span></a> </td> <td><a href="/wiki/Cyanogen_iodide" title="Cyanogen iodide">ICN</a> </td> <td>Xe </td></tr> <tr style="background-color:mistyrose;color:black;"> <td><a href="/wiki/Caesium_cyanide" title="Caesium cyanide">CsCN</a> </td> <td><a href="/wiki/Barium_cyanide" title="Barium cyanide"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Ba(CN)<sub class="template-chem2-sub">2</sub></span></a> </td> <td style="background-color:white;color:inherit;border:none">* </td> <td><a href="/w/index.php?title=Lutetium(III)_cyanide&action=edit&redlink=1" class="new" title="Lutetium(III) cyanide (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Lu(CN)<sub class="template-chem2-sub">3</sub></span></a> </td> <td>Hf </td> <td>Ta </td> <td><a href="/w/index.php?title=Potassium_octacyanotungstate(IV)&action=edit&redlink=1" class="new" title="Potassium octacyanotungstate(IV) (page does not exist)">W(CN)<sub>8</sub><sup>4−</sup></a> </td> <td>Re </td> <td>Os </td> <td>Ir </td> <td><a href="/wiki/Platinocyanide" title="Platinocyanide">Pt(CN)<sub>4</sub><sup>2-</sup></a><br /><a href="/w/index.php?title=Platinicyanide&action=edit&redlink=1" class="new" title="Platinicyanide (page does not exist)">Pt(CN)<sub>6</sub><sup>4-</sup></a><br /> </td> <td><a href="/wiki/Gold(I)_cyanide" title="Gold(I) cyanide">AuCN</a><br /><a href="/wiki/Potassium_dicyanoaurate" title="Potassium dicyanoaurate">Au(CN)<sub>2</sub><sup>−</sup></a> </td> <td><a href="/w/index.php?title=Mercury(I)_cyanide&action=edit&redlink=1" class="new" title="Mercury(I) cyanide (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Hg<sub class="template-chem2-sub">2</sub>(CN)<sub class="template-chem2-sub">2</sub></span></a><br /><a href="/wiki/Mercury(II)_cyanide" title="Mercury(II) cyanide"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Hg(CN)<sub class="template-chem2-sub">2</sub></span></a> </td> <td><a href="/w/index.php?title=Thallium(I)_cyanide&action=edit&redlink=1" class="new" title="Thallium(I) cyanide (page does not exist)">TlCN</a> </td> <td><a href="/w/index.php?title=Lead_cyanide&action=edit&redlink=1" class="new" title="Lead cyanide (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Pb(CN)<sub class="template-chem2-sub">2</sub></span></a> </td> <td><a href="/w/index.php?title=Bismuth(III)_cyanide&action=edit&redlink=1" class="new" title="Bismuth(III) cyanide (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Bi(CN)<sub class="template-chem2-sub">3</sub></span></a> </td> <td>Po </td> <td>At </td> <td>Rn </td></tr> <tr style="background-color:mistyrose;color:black;"> <td>Fr </td> <td>Ra </td> <td style="background-color:white;color:inherit;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;color:inherit;border:none" colspan="2" rowspan="3"> </td> <td style="background-color:white;color:inherit;border:none" colspan="20">  </td></tr> <tr style="background-color:mistyrose;color:black;"> <td style="background-color:white;color:inherit;border:none">* </td> <td><a href="/w/index.php?title=Lanthanum_cyanide&action=edit&redlink=1" class="new" title="Lanthanum cyanide (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">La(CN)<sub class="template-chem2-sub">3</sub></span></a> </td> <td><a href="/w/index.php?title=Cerium(III)_cyanide&action=edit&redlink=1" class="new" title="Cerium(III) cyanide (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Ce(CN)<sub class="template-chem2-sub">3</sub></span></a><br /> <a href="/w/index.php?title=Cerium(IV)_cyanide&action=edit&redlink=1" class="new" title="Cerium(IV) cyanide (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Ce(CN)<sub class="template-chem2-sub">4</sub></span></a> </td> <td><a href="/w/index.php?title=Praseodymium(III)_cyanide&action=edit&redlink=1" class="new" title="Praseodymium(III) cyanide (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Pr(CN)<sub class="template-chem2-sub">3</sub></span></a> </td> <td>Nd </td> <td>Pm </td> <td><a href="/w/index.php?title=Samarium(III)_cyanide&action=edit&redlink=1" class="new" title="Samarium(III) cyanide (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Sm(CN)<sub class="template-chem2-sub">3</sub></span></a> </td> <td><a href="/w/index.php?title=Europium(III)_cyanide&action=edit&redlink=1" class="new" title="Europium(III) cyanide (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Eu(CN)<sub class="template-chem2-sub">3</sub></span></a> </td> <td><a href="/w/index.php?title=Gadolinium(III)_cyanide&action=edit&redlink=1" class="new" title="Gadolinium(III) cyanide (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Gd(CN)<sub class="template-chem2-sub">3</sub></span></a> </td> <td>Tb </td> <td><a href="/w/index.php?title=Dysprosium(III)_cyanide&action=edit&redlink=1" class="new" title="Dysprosium(III) cyanide (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Dy(CN)<sub class="template-chem2-sub">3</sub></span></a> </td> <td><a href="/w/index.php?title=Holmium(III)_cyanide&action=edit&redlink=1" class="new" title="Holmium(III) cyanide (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Ho(CN)<sub class="template-chem2-sub">3</sub></span></a> </td> <td>Er </td> <td>Tm </td> <td><a href="/wiki/Ytterbium(III)_cyanide" title="Ytterbium(III) cyanide"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Yb(CN)<sub class="template-chem2-sub">3</sub></span></a> </td></tr> <tr style="background-color:mistyrose;color:black;"> <td style="background-color:white;color:inherit;border:none">** </td> <td><a href="/w/index.php?title=Actinium(III)_cyanide&action=edit&redlink=1" class="new" title="Actinium(III) cyanide (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Ac(CN)<sub class="template-chem2-sub">3</sub></span></a> </td> <td><a href="/w/index.php?title=Thorium(IV)_cyanide&action=edit&redlink=1" class="new" title="Thorium(IV) cyanide (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Th(CN)<sub class="template-chem2-sub">4</sub></span></a> </td> <td>Pa </td> <td><a href="/w/index.php?title=Uranyl_cyanide&action=edit&redlink=1" class="new" title="Uranyl cyanide (page does not exist)"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">UO<sub class="template-chem2-sub">2</sub>(CN)<sub class="template-chem2-sub">2</sub></span></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 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"></div><div role="navigation" class="navbox" aria-labelledby="Calcium_compounds93" style="padding:3px"><table class="nowraplinks mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><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:Calcium_compounds" title="Template:Calcium compounds"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Calcium_compounds" title="Template talk:Calcium compounds"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Calcium_compounds" title="Special:EditPage/Template:Calcium compounds"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Calcium_compounds93" style="font-size:114%;margin:0 4em"><a href="/wiki/Calcium_compounds" class="mw-redirect" title="Calcium compounds">Calcium compounds</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Hydrogen & halogens</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/Calcium_hydride" title="Calcium hydride">CaH<sub>2</sub></a></li> <li><a href="/wiki/Calcium_fluoride" title="Calcium fluoride">CaF<sub>2</sub></a></li> <li><a href="/wiki/Calcium_chloride" title="Calcium chloride">CaCl<sub>2</sub></a></li> <li><a href="/wiki/Calcium_hypochlorite" title="Calcium hypochlorite">Ca(ClO)<sub>2</sub></a></li> <li><a href="/wiki/Calcium_chlorate" title="Calcium chlorate">Ca(ClO<sub>3</sub>)<sub>2</sub></a></li> <li><a href="/wiki/Calcium_perchlorate" title="Calcium perchlorate">Ca(ClO<sub>4</sub>)<sub>2</sub></a></li> <li><a href="/wiki/Calcium_bromide" title="Calcium bromide">CaBr<sub>2</sub></a></li> <li><a href="/wiki/Calcium_bromate" title="Calcium bromate">Ca(BrO<sub>3</sub>)<sub>2</sub></a></li> <li><a href="/wiki/Calcium_iodide" title="Calcium iodide">CaI<sub>2</sub></a></li> <li><a href="/wiki/Calcium_iodate" title="Calcium iodate">Ca(IO<sub>3</sub>)<sub>2</sub></a></li> <li><a href="/wiki/Calcium(I)_chloride" title="Calcium(I) chloride">Ca<sup>I</sup>Cl</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Chalcogens</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/Calcium_oxide" title="Calcium oxide">CaO</a></li> <li><a href="/wiki/Calcium_peroxide" title="Calcium peroxide">CaO<sub>2</sub></a></li> <li><a href="/wiki/Calcium_hydroxide" title="Calcium hydroxide">Ca(OH)<sub>2</sub></a></li> <li><a href="/wiki/Calcium_sulfide" title="Calcium sulfide">CaS</a></li> <li><a href="/wiki/Calcium_sulfite" title="Calcium sulfite">CaSO<sub>3</sub></a></li> <li><a href="/wiki/Calcium_bisulfite" title="Calcium bisulfite">CaH<sub>2</sub>S<sub>2</sub>O<sub>6</sub></a></li> <li><a href="/wiki/Calcium_sulfate" title="Calcium sulfate">CaSO<sub>4</sub></a></li> <li><a href="/wiki/Calcium_selenide" title="Calcium selenide">CaSe</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Pnictogens</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/Calcium_nitride" title="Calcium nitride">Ca<sub>3</sub>N<sub>2</sub></a></li> <li><a href="/wiki/Calcium_azide" title="Calcium azide">CaN<sub>6</sub></a></li> <li><a href="/wiki/Calcium_nitrite" title="Calcium nitrite">Ca(NO<sub>2</sub>)<sub>2</sub></a></li> <li><a href="/wiki/Calcium_nitrate" title="Calcium nitrate">Ca(NO<sub>3</sub>)<sub>2</sub></a></li> <li><a href="/wiki/Calcium_phosphide" title="Calcium phosphide">Ca<sub>3</sub>P<sub>2</sub></a></li> <li><a href="/wiki/Calcium_monophosphide" title="Calcium monophosphide">CaP</a></li> <li><a href="/wiki/Tetracalcium_phosphate" title="Tetracalcium phosphate">Ca<sub>4</sub>(PO<sub>4</sub>)<sub>2</sub>O</a></li> <li><a href="/wiki/Tricalcium_phosphate" title="Tricalcium phosphate">Ca<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub></a></li> <li><a href="/wiki/Dicalcium_phosphate" title="Dicalcium phosphate">CaHPO<sub>4</sub></a></li> <li><a href="/wiki/Monocalcium_phosphate" title="Monocalcium phosphate">Ca(H<sub>2</sub>PO<sub>4</sub>)<sub>2</sub></a></li> <li><a href="/wiki/Calcium_pyrophosphate" title="Calcium pyrophosphate">Ca<sub>2</sub>P<sub>2</sub>O<sub>7</sub></a></li> <li><a href="/wiki/Calcium_arsenide" title="Calcium arsenide">CaAs</a></li> <li><a href="/wiki/Calcium_arsenate" title="Calcium arsenate">Ca<sub>3</sub>(AsO<sub>4</sub>)<sub>2</sub></a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Group 13 & 14</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/Calcium_carbide" title="Calcium carbide">CaC<sub>2</sub></a></li> <li><a class="mw-selflink selflink">Ca(CN)<sub>2</sub></a></li> <li><a href="/wiki/Calcium_cyanamide" title="Calcium cyanamide">CaCN<sub>2</sub></a></li> <li><a href="/wiki/Calcium_carbonate" title="Calcium carbonate">CaCO<sub>3</sub></a></li> <li><a href="/wiki/Calcium_bicarbonate" title="Calcium bicarbonate">Ca(HCO<sub>3</sub>)<sub>2</sub></a></li> <li><a href="/wiki/Calcium_monosilicide" title="Calcium monosilicide">CaSi</a></li> <li><a href="/wiki/Calcium_disilicide" title="Calcium disilicide">CaSi<sub>2</sub></a></li> <li><a href="/wiki/Calcium_silicate" title="Calcium silicate">Ca<sub>2</sub>SiO<sub>4</sub></a></li> <li><a href="/wiki/Calcium_borate" title="Calcium borate">Ca<sub>3</sub>(BO<sub>3</sub>)<sub>2</sub></a></li> <li><a href="/wiki/Monocalcium_aluminate" title="Monocalcium aluminate">CaAl<sub>2</sub>O<sub>4</sub></a></li> <li><a href="/wiki/Tricalcium_aluminate" title="Tricalcium aluminate">Ca<sub>3</sub>Al<sub>2</sub>O<sub>6</sub></a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Trans metals</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/Calcium_permanganate" title="Calcium permanganate">Ca(MnO<sub>4</sub>)<sub>2</sub></a></li> <li><a href="/wiki/Calcium_chromate" title="Calcium chromate">CaCrO<sub>4</sub></a></li> <li><a href="/wiki/Calcium_titanate" title="Calcium titanate">CaTiO<sub>3</sub></a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Organics</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/Calcium_oxalate" title="Calcium oxalate">CaC<sub>2</sub>O<sub>4</sub></a></li> <li><a href="/wiki/Calcium_formate" title="Calcium formate">Ca(HCO<sub>2</sub>)<sub>2</sub></a></li> <li><a href="/wiki/Calcium_acetate" title="Calcium acetate">Ca(CH<sub>3</sub>CO<sub>2</sub>)<sub>2</sub></a></li> <li><a href="/wiki/Calcium_propanoate" title="Calcium propanoate">Ca(C<sub>3</sub>H<sub>5</sub>O<sub>2</sub>)<sub>2</sub></a></li> <li><a href="/wiki/Calcium_fumarate" title="Calcium fumarate">CaC<sub>4</sub>H<sub>2</sub>O<sub>4</sub></a></li> <li><a href="/wiki/Calcium_citrate" title="Calcium citrate">Ca<sub>3</sub>(C<sub>6</sub>H<sub>5</sub>O<sub>7</sub>)<sub>2</sub></a></li> <li><a href="/wiki/Calcium_glycerylphosphate" title="Calcium glycerylphosphate">C<sub>3</sub>H<sub>7</sub>CaO<sub>6</sub>P</a></li> <li><a href="/wiki/Calcium_dobesilate" title="Calcium dobesilate">Ca(C<sub>6</sub>H<sub>5</sub>O<sub>5</sub>S)<sub>2</sub></a></li> <li><a href="/wiki/Calcium_erythorbate" title="Calcium erythorbate">Ca(C<sub>6</sub>H<sub>7</sub>O<sub>6</sub>)<sub>2</sub></a></li> <li><a href="/wiki/Calcium_inosinate" title="Calcium inosinate">C<sub>10</sub>H<sub>11</sub>CaN<sub>4</sub>O<sub>8</sub>P</a></li> <li><a href="/wiki/Calcium_guanylate" title="Calcium guanylate">CaC<sub>10</sub>H<sub>12</sub>O<sub>4</sub>N<sub>5</sub>PO<sub>4</sub></a></li> <li><a href="/wiki/Calcium_diglutamate" title="Calcium diglutamate">C<sub>10</sub>H<sub>16</sub>CaN<sub>2</sub>O<sub>8</sub></a></li> <li><a href="/wiki/Calcium_gluconate" title="Calcium gluconate">C<sub>12</sub>H<sub>22</sub>CaO<sub>14</sub></a></li> <li><a href="/wiki/Calcium_glucoheptonate" title="Calcium glucoheptonate">C<sub>14</sub>H<sub>26</sub>CaO<sub>16</sub></a></li> <li><a href="/wiki/Calcium_glubionate" title="Calcium glubionate">C<sub>18</sub>H<sub>32</sub>CaO<sub>19</sub></a></li> <li><a href="/wiki/Calcium_stearate" title="Calcium stearate">C<sub>36</sub>H<sub>70</sub>CaO<sub>4</sub></a></li> <li><a href="/wiki/Calcium_fructoborate" title="Calcium fructoborate">C<sub>24</sub>H<sub>40</sub>B<sub>2</sub>CaO<sub>24</sub></a></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=0" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" 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