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Disponibil în 39 limbi" > <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-39" 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">39 limbi</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Propyn" title="Propyn – afrikaans" lang="af" hreflang="af" data-title="Propyn" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A8%D8%B1%D9%88%D8%A8%D8%A7%D9%8A%D9%86" title="بروباين – arabă" lang="ar" hreflang="ar" data-title="بروباين" data-language-autonym="العربية" data-language-local-name="arabă" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Propin" title="Propin – azeră" lang="az" hreflang="az" data-title="Propin" data-language-autonym="Azərbaycanca" data-language-local-name="azeră" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D9%85%D8%AA%DB%8C%D9%84_%D8%A7%D8%B3%D8%AA%DB%8C%D9%84%D9%86" title="متیل استیلن – South Azerbaijani" lang="azb" hreflang="azb" data-title="متیل استیلن" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A7%8B%E0%A6%AA%E0%A6%BE%E0%A6%87%E0%A6%A8" title="প্রোপাইন – bengaleză" lang="bn" hreflang="bn" data-title="প্রোপাইন" data-language-autonym="বাংলা" data-language-local-name="bengaleză" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Metilacetil%C3%A8" title="Metilacetilè – catalană" lang="ca" hreflang="ca" data-title="Metilacetilè" data-language-autonym="Català" data-language-local-name="catalană" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Propyn" title="Propyn – cehă" lang="cs" hreflang="cs" data-title="Propyn" data-language-autonym="Čeština" data-language-local-name="cehă" 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/Propin" title="Propin – germană" lang="de" hreflang="de" data-title="Propin" data-language-autonym="Deutsch" data-language-local-name="germană" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%A0%CF%81%CE%BF%CF%80%CE%AF%CE%BD%CE%B9%CE%BF" title="Προπίνιο – greacă" lang="el" hreflang="el" data-title="Προπίνιο" data-language-autonym="Ελληνικά" data-language-local-name="greacă" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Propyne" title="Propyne – engleză" lang="en" hreflang="en" data-title="Propyne" data-language-autonym="English" data-language-local-name="engleză" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Propino" title="Propino – esperanto" lang="eo" hreflang="eo" data-title="Propino" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Propino" title="Propino – spaniolă" lang="es" hreflang="es" data-title="Propino" data-language-autonym="Español" data-language-local-name="spaniolă" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Propino" title="Propino – bască" lang="eu" hreflang="eu" data-title="Propino" data-language-autonym="Euskara" data-language-local-name="bască" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%BE%D8%B1%D9%88%D9%BE%DB%8C%D9%86" title="پروپین – persană" lang="fa" hreflang="fa" data-title="پروپین" data-language-autonym="فارسی" data-language-local-name="persană" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Propyyni" title="Propyyni – finlandeză" lang="fi" hreflang="fi" data-title="Propyyni" data-language-autonym="Suomi" data-language-local-name="finlandeză" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Propyne" title="Propyne – franceză" lang="fr" hreflang="fr" data-title="Propyne" data-language-autonym="Français" data-language-local-name="franceză" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A4%D7%A8%D7%95%D7%A4%D7%99%D7%9F" title="פרופין – ebraică" lang="he" hreflang="he" data-title="פרופין" data-language-autonym="עברית" data-language-local-name="ebraică" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Propin" title="Propin – croată" lang="hr" hreflang="hr" data-title="Propin" data-language-autonym="Hrvatski" data-language-local-name="croată" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Propin" title="Propin – maghiară" lang="hu" hreflang="hu" data-title="Propin" data-language-autonym="Magyar" data-language-local-name="maghiară" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%8A%D6%80%D5%B8%D5%BA%D5%AB%D5%B6" title="Պրոպին – armeană" lang="hy" hreflang="hy" data-title="Պրոպին" data-language-autonym="Հայերեն" data-language-local-name="armeană" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Propuna" title="Propuna – indoneziană" lang="id" hreflang="id" data-title="Propuna" data-language-autonym="Bahasa Indonesia" data-language-local-name="indoneziană" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Propino" title="Propino – italiană" lang="it" hreflang="it" data-title="Propino" data-language-autonym="Italiano" data-language-local-name="italiană" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%97%E3%83%AD%E3%83%94%E3%83%B3" title="プロピン – japoneză" lang="ja" hreflang="ja" data-title="プロピン" data-language-autonym="日本語" data-language-local-name="japoneză" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%AA%E0%B3%8D%E0%B2%B0%E0%B3%8A%E0%B2%AA%E0%B3%88%E0%B2%A8%E0%B3%8D" title="ಪ್ರೊಪೈನ್ – kannada" lang="kn" hreflang="kn" data-title="ಪ್ರೊಪೈನ್" data-language-autonym="ಕನ್ನಡ" data-language-local-name="kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%ED%94%84%EB%A1%9C%ED%8C%8C%EC%9D%B8" title="프로파인 – coreeană" lang="ko" hreflang="ko" data-title="프로파인" data-language-autonym="한국어" data-language-local-name="coreeană" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Propyn" title="Propyn – neerlandeză" lang="nl" hreflang="nl" data-title="Propyn" data-language-autonym="Nederlands" data-language-local-name="neerlandeză" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Metylacetylen" title="Metylacetylen – norvegiană nynorsk" lang="nn" hreflang="nn" data-title="Metylacetylen" data-language-autonym="Norsk nynorsk" data-language-local-name="norvegiană nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Metylacetylen" title="Metylacetylen – norvegiană bokmål" lang="nb" hreflang="nb" data-title="Metylacetylen" data-language-autonym="Norsk bokmål" data-language-local-name="norvegiană bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Propyn" title="Propyn – poloneză" lang="pl" hreflang="pl" data-title="Propyn" data-language-autonym="Polski" data-language-local-name="poloneză" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Metilacetileno" title="Metilacetileno – portugheză" lang="pt" hreflang="pt" data-title="Metilacetileno" data-language-autonym="Português" data-language-local-name="portugheză" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9F%D1%80%D0%BE%D0%BF%D0%B8%D0%BD" title="Пропин – rusă" lang="ru" hreflang="ru" data-title="Пропин" data-language-autonym="Русский" data-language-local-name="rusă" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Metilacetilen" title="Metilacetilen – sârbo-croată" lang="sh" hreflang="sh" data-title="Metilacetilen" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="sârbo-croată" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Metilacetilen" title="Metilacetilen – sârbă" lang="sr" hreflang="sr" data-title="Metilacetilen" data-language-autonym="Српски / srpski" data-language-local-name="sârbă" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Propyn" title="Propyn – suedeză" lang="sv" hreflang="sv" data-title="Propyn" data-language-autonym="Svenska" data-language-local-name="suedeză" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9F%D1%80%D0%BE%D0%BF%D1%96%D0%BD" title="Пропін – ucraineană" lang="uk" hreflang="uk" data-title="Пропін" data-language-autonym="Українська" data-language-local-name="ucraineană" 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/Propyn" title="Propyn – vietnameză" lang="vi" hreflang="vi" data-title="Propyn" data-language-autonym="Tiếng Việt" data-language-local-name="vietnameză" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E4%B8%99%E7%82%94" title="丙炔 – chineză wu" lang="wuu" hreflang="wuu" data-title="丙炔" data-language-autonym="吴语" data-language-local-name="chineză wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E4%B8%99%E7%82%94" title="丙炔 – chineză" lang="zh" hreflang="zh" data-title="丙炔" data-language-autonym="中文" data-language-local-name="chineză" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E4%B8%99%E7%82%94" title="丙炔 – cantoneză" lang="yue" hreflang="yue" data-title="丙炔" data-language-autonym="粵語" data-language-local-name="cantoneză" class="interlanguage-link-target"><span>粵語</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/Q151446#sitelinks-wikipedia" title="Modifică legăturile interlinguale" class="wbc-editpage">Modifică legăturile</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Spații de nume"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Propin%C4%83" title="Vedeți conținutul paginii [a]" accesskey="a"><span>Articol</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Discu%C8%9Bie:Propin%C4%83" rel="discussion" title="Discuții despre această pagină [t]" accesskey="t"><span>Discuție</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Change language variant" > <label id="vector-variants-dropdown-label" 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[h]" accesskey="h"><span>Istoric</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Unelte" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Unelte</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Unelte</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">mută în bara laterală</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">ascunde</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Mai multe opțiuni" > <div class="vector-menu-heading"> Acțiuni </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Propin%C4%83"><span>Lectură</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Propin%C4%83&veaction=edit" title="Modificați această pagină cu EditorulVizual [v]" accesskey="v"><span>Modificare</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Propin%C4%83&action=edit" title="Modificați codul sursă al acestei pagini [e]" accesskey="e"><span>Modificare sursă</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Propin%C4%83&action=history"><span>Istoric</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> General </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:Ce_se_leag%C4%83_aici/Propin%C4%83" title="Lista tuturor paginilor wiki care conduc spre această pagină [j]" accesskey="j"><span>Ce trimite aici</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:Modific%C4%83ri_corelate/Propin%C4%83" rel="nofollow" title="Schimbări recente în legătură cu această pagină [k]" accesskey="k"><span>Schimbări corelate</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/Wikipedia:Trimite_fi%C8%99ier" title="Încărcare fișiere [u]" accesskey="u"><span>Trimite fișier</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Special:Pagini_speciale" title="Lista tuturor paginilor speciale [q]" accesskey="q"><span>Pagini speciale</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Propin%C4%83&oldid=15584520" title="Legătură permanentă către această versiune a acestei pagini"><span>Legătură permanentă</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Propin%C4%83&action=info" title="Mai multe informații despre această pagină"><span>Informații despre pagină</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:Citeaz%C4%83&page=Propin%C4%83&id=15584520&wpFormIdentifier=titleform" title="Informații cu privire la modul de citare a acestei pagini"><span>Citează acest articol</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&url=https%3A%2F%2Fro.wikipedia.org%2Fwiki%2FPropin%25C4%2583"><span>Obține URL scurtat</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&url=https%3A%2F%2Fro.wikipedia.org%2Fwiki%2FPropin%25C4%2583"><span>Descărcați codul QR</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Tipărire/exportare </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Special:Carte&bookcmd=book_creator&referer=Propin%C4%83"><span>Creare carte</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&page=Propin%C4%83&action=show-download-screen"><span>Descărcare ca PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Propin%C4%83&printable=yes" title="Versiunea de tipărit a acestei pagini [p]" accesskey="p"><span>Versiune de tipărit</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> În alte proiecte </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:Propyne" hreflang="en"><span>Wikimedia Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q151446" title="Legătură către elementul asociat din depozitul de date [g]" accesskey="g"><span>Element Wikidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Aspect"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Aspect</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">mută în bara laterală</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">ascunde</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">De la Wikipedia, enciclopedia liberă</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="ro" dir="ltr"><table class="infocaseta"><tbody><tr><td colspan="2" class="antet stiinteexacte" style="background-color:#ffdead;color:#000000;">Propină</td></tr><tr><td colspan="2" style="text-align:center"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/Fi%C8%99ier:Propyne-2D-flat.png" class="mw-file-description" title="Formula structurală"><img alt="Formula structurală" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ee/Propyne-2D-flat.png/220px-Propyne-2D-flat.png" decoding="async" width="220" height="133" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ee/Propyne-2D-flat.png/330px-Propyne-2D-flat.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ee/Propyne-2D-flat.png/440px-Propyne-2D-flat.png 2x" data-file-width="1100" data-file-height="663" /></a></span><br /><div style="margin-top: 3px"></div><span><i><a href="/wiki/Formula_structural%C4%83" class="mw-redirect" title="Formula structurală">Formula structurală</a></i></span></td></tr><tr><td colspan="2" style="text-align:center"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/Fi%C8%99ier:Propyne3D.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/47/Propyne3D.png/220px-Propyne3D.png" decoding="async" width="220" height="194" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/47/Propyne3D.png/330px-Propyne3D.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/47/Propyne3D.png/440px-Propyne3D.png 2x" data-file-width="660" data-file-height="582" /></a></span></td></tr><tr><td colspan="2" style="text-align:center"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/Fi%C8%99ier:Propyne-3D-balls.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Propyne-3D-balls.png/220px-Propyne-3D-balls.png" decoding="async" width="220" height="128" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Propyne-3D-balls.png/330px-Propyne-3D-balls.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Propyne-3D-balls.png/440px-Propyne-3D-balls.png 2x" data-file-width="730" data-file-height="426" /></a></span></td></tr><tr><th colspan="2" class="" style="text-align:center;background-color:#ffdead;color:#000000;">Denumiri</th></tr><tr><th style=";">Alte denumiri</th><td colspan="1" class="" style=";">Metilacetilenă<br />Alilenă</td></tr><tr><th colspan="2" class="" style="text-align:center;background-color:#ffdead;color:#000000;">Identificare</th></tr><tr><td colspan="2" class="" style="text-align:center;;"><div class="NavFrame" style=""><div class="NavHead" align="left" style="width:96%;background:inherit;color:var(--color-base, #000)"><a href="/wiki/SMILES" class="mw-redirect" title="SMILES">SMILES</a></div><div class="NavContent" style="text-align:left;display:none;">CC#C  <span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q151446#P233" title="Modificați la Wikidata"><img alt="Modificați la Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></div></div></td></tr><tr><th style=";"><a href="/wiki/Num%C4%83r_CAS" class="mw-redirect" title="Număr CAS">Număr CAS</a></th><td colspan="1" class="" style=";">74-99-7</td></tr><tr><th style=";"><a href="/wiki/ChEMBL" title="ChEMBL">ChEMBL</a></th><td colspan="1" class="" style=";"><a rel="nofollow" class="external text" href="https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL116902">CHEMBL116902</a></td></tr><tr><th style=";"><a href="/wiki/PubChem" title="PubChem">PubChem</a> CID</th><td colspan="1" class="" style=";"><a rel="nofollow" class="external text" href="https://pubchem.ncbi.nlm.nih.gov/compound/6335">6335</a></td></tr><tr><th colspan="2" class="" style="text-align:center;background-color:#ffdead;color:#000000;">Informații generale</th></tr><tr><th style=";"><a href="/wiki/Formul%C4%83_chimic%C4%83" title="Formulă chimică">Formulă chimică</a></th><td colspan="1" class="" style=";"><span class="FormChim">C<sub>3</sub>H<sub>4</sub></span></td></tr><tr><th style=";">Aspect</th><td colspan="1" class="" style=";"><a href="/wiki/Gaz" title="Gaz">gaz</a> incolor</td></tr><tr><th style=";">Masă molară</th><td colspan="1" class="" style=";">40,0639 g/mol</td></tr><tr><th colspan="2" class="" style="text-align:center;background-color:#ffdead;color:#000000;">Proprietăți</th></tr><tr><th style=";"><a href="/wiki/Densitate" title="Densitate">Densitate</a></th><td colspan="1" class="" style=";">0,53 g/cm<sup>3</sup></td></tr><tr><th style=";"><a href="/wiki/Stare_de_agregare" title="Stare de agregare">Starea de agregare</a></th><td colspan="1" class="" style=";"><a href="/wiki/Gaz" title="Gaz">gazoasă</a></td></tr><tr><th style=";"><a href="/wiki/Punct_de_topire" title="Punct de topire">Punct de topire</a></th><td colspan="1" class="" style=";">−102,7 °C</td></tr><tr><th style=";"><a href="/wiki/Punct_de_fierbere" title="Punct de fierbere">Punct de fierbere</a></th><td colspan="1" class="" style=";">-23,2 °C</td></tr><tr><th style=";"><a href="/wiki/Solubilitate" title="Solubilitate">Solubilitate</a></th><td colspan="1" class="" style=";">3,6 g/l</td></tr><tr><th style=";"><a href="/wiki/Presiune_de_vapori" title="Presiune de vapori">Presiune de vapori</a></th><td colspan="1" class="" style=";">5,2 atm<sup id="cite_ref-886472a2cd20ce6289dc2507e96143c0_1-0" class="reference"><a href="#cite_note-886472a2cd20ce6289dc2507e96143c0-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><style data-mw-deduplicate="TemplateStyles:r16236537">.mw-parser-output cite.citation{font-style:inherit}.mw-parser-output .citation q{quotes:"„""”""«""»"}.mw-parser-output .citation .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-maint{display:none;color:#33aa33;margin-left:0.3em}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}</style>  <span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q151446#P2119" title="Modificați la Wikidata"><img alt="Modificați la Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></td></tr><tr><td colspan="2" class="" style="text-align:center;;"><div style="text-align:center"><div style="text-align:center"><span typeof="mw:File"><a href="/wiki/Fi%C8%99ier:Hazard_F.svg" class="mw-file-description" title="F : Inflamabil"><img alt="F : Inflamabil" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/06/Hazard_F.svg/40px-Hazard_F.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/06/Hazard_F.svg/60px-Hazard_F.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/06/Hazard_F.svg/80px-Hazard_F.svg.png 2x" data-file-width="500" data-file-height="500" /></a></span></div> <span title="Inflamabil">Inflamabil, </span></div></td></tr><tr><th colspan="2" class="" style="text-align:center;background-color:#ffdead;color:#000000;"><a href="/wiki/NFPA_704" title="NFPA 704">NFPA 704</a></th></tr><tr><td colspan="2" class="" style="text-align:center;;"><div style="text-align:center"> <div style="position: relative; height: 85px; width: 75px;"> <div style="position: absolute; height: 75px; width: 75px;"> <p><span typeof="mw:File"><a href="/wiki/Fi%C8%99ier:NFPA_704.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/NFPA_704.svg/75px-NFPA_704.svg.png" decoding="async" width="75" height="75" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/NFPA_704.svg/113px-NFPA_704.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6f/NFPA_704.svg/150px-NFPA_704.svg.png 2x" data-file-width="512" data-file-height="512" /></a></span> </p> </div> <div title="Inflamabilitate" style="background: transparent; width: 75px; height: 2em; text-align: center; vertical-align: middle; position: absolute; top: 15px; font-size: large;">4</div> <div title="Sănătate" style="background: transparent; width: 37.5px; height: 2em; text-align: center; vertical-align: middle; position: absolute; top: 33px; color: white; font-size: large;">1</div> <div title="Reactivitate" style="background: transparent; width: 37.5px; height: 2em; text-align: center; vertical-align: middle; position: absolute; top: 33px; left: 37.5px; font-size: large;">3</div> <div title="Alte hazarduri" style="background: transparent; width: 75px; height: 2em; text-align: center; vertical-align: middle; position: absolute; top: 52px; font-size: small;"></div> </div> </div></td></tr><tr><td colspan="2" class="" style="text-align:center;;"><small><i>Sunt folosite unitățile <a href="/wiki/Sistemul_interna%C8%9Bional_de_unit%C4%83%C8%9Bi" title="Sistemul internațional de unități">SI</a> și condițiile de temperatură și presiune normale dacă nu s-a specificat altfel.</i></small></td></tr><tr><td class="navigation-only" colspan="2" style="border-top: 2px ##ffdead solid; font-size: 80%; background:inherit; color:var(--color-base, #000); text-align: right;"><span class="plainlinks" style="float:left;">Modifică <a href="https://www.wikidata.org/wiki/Q151446" class="extiw" title="d:Q151446">date</a> / <a class="external text" href="https://ro.wikipedia.org/w/index.php?title=Propin%C4%83&action=edit&section=0">text</a></span> <span title="Consultați documentația formatului"><span typeof="mw:File"><a href="//ro.wikipedia.org/wiki/Format:Infocaseta_Substan%C8%9B%C4%83" title="Consultați documentația formatului"><img alt="Consultați documentația formatului" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b4/Gtk-dialog-info.svg/12px-Gtk-dialog-info.svg.png" decoding="async" width="12" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b4/Gtk-dialog-info.svg/18px-Gtk-dialog-info.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b4/Gtk-dialog-info.svg/24px-Gtk-dialog-info.svg.png 2x" data-file-width="60" data-file-height="60" /></a></span></span></td></tr></tbody></table><style data-mw-deduplicate="TemplateStyles:r16573438">.mw-parser-output .infocaseta{background:var(--background-color-neutral-subtle,#f8f9fa);color:var(--color-base,#000)}.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}body.skin-minerva .mw-parser-output .infobox-header,body.skin-minerva .mw-parser-output .infobox-subheader,body.skin-minerva .mw-parser-output .infobox-above,body.skin-minerva .mw-parser-output .infobox-title,body.skin-minerva .mw-parser-output .infobox-image,body.skin-minerva .mw-parser-output .infobox-full-data,body.skin-minerva .mw-parser-output .infobox-below{text-align:center}</style> <p><b>Propina</b>, cunoscută și sub denumirea de <i>metilacetilenă</i>, este o <a href="/wiki/Alchin%C4%83" title="Alchină">alchină</a> cu formula de structură H<sub>3</sub>C-C≡C-H. </p><p>Este un gaz incolor, cu miros caracteristic, mai dens decât aerul. Se descompune dacă este încălzită la temperaturi înalte și sub presiune se descompune în <a href="/wiki/Monoxid_de_carbon" title="Monoxid de carbon">monoxid de carbon</a> și <a href="/wiki/Dioxid_de_carbon" title="Dioxid de carbon">dioxid de carbon</a>, cauzând pericol de incendiu sau explozie. </p><p>Spre deosebire de <a href="/wiki/Acetilen%C4%83" title="Acetilenă">acetilenă</a>, propina poate fi <a href="/wiki/Condensare" title="Condensare">condensată</a> în siguranță.<sup id="cite_ref-Ullmann_2-0" class="reference"><a href="#cite_note-Ullmann-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Note">Note</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Propin%C4%83&veaction=edit&section=1" title="Modifică secțiunea: Note" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Propin%C4%83&action=edit&section=1" title="Edit section's source code: Note"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-886472a2cd20ce6289dc2507e96143c0-1"><b><a href="#cite_ref-886472a2cd20ce6289dc2507e96143c0_1-0">^</a></b> <span class="reference-text"><cite class="citation"> <a rel="nofollow" class="external text" href="https://www.cdc.gov/niosh/npg/npgd0392.html">http://www.cdc.gov/niosh/npg/npgd0392.html</a></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft_id=http%3A%2F%2Fwww.cdc.gov%2Fniosh%2Fnpg%2Fnpgd0392.html&rfr_id=info%3Asid%2Fro.wikipedia.org%3APropin%C4%83" class="Z3988"><span style="display:none;"> </span></span> <span style="font-size:100%" class="error citation-comment">Lipsește sau este vid: <code style="color:inherit; border:inherit; padding:inherit;">|title=</code> (<a href="/wiki/Ajutor:Erori_CS1#citation_missing_title" title="Ajutor:Erori CS1">ajutor</a>)</span></span> </li> <li id="cite_note-Ullmann-2"><b><a href="#cite_ref-Ullmann_2-0">^</a></b> <span class="reference-text">Peter Pässler, Werner Hefner, Klaus Buckl, Helmut Meinass, Andreas Meiswinkel, Hans-Jũrgen Wernicke, Günter Ebersberg, Richard Müller, Jürgen Bässler, Hartmut Behringer, Dieter Mayer, "Acetylene" in Ullmann's Encyclopedia of Industrial Chemistry Wiley-VCH, Weinheim 2007 (<a href="/wiki/Digital_object_identifier" title="Digital object identifier">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1002/14356007.a01">097.pub2 10.1002/14356007.a01 097.pub2</a>).</span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Vezi_și"><span id="Vezi_.C8.99i"></span>Vezi și</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Propin%C4%83&veaction=edit&section=2" title="Modifică secțiunea: Vezi și" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Propin%C4%83&action=edit&section=2" title="Edit section's source code: Vezi și"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Acetilen%C4%83" title="Acetilenă">Acetilenă</a></li> <li><a href="/wiki/Butin%C4%83" title="Butină">Butină</a></li></ul> <div role="navigation" class="navbox" aria-label="Navbox" style="padding:3px"><table class="nowraplinks hlist navbox-inner" style="border-spacing:0;color:inherit"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Ajutor:Control_de_autoritate" title="Ajutor:Control de autoritate">Control de autoritate</a></th><td class="navbox-list navbox-odd" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/Integrated_Authority_File" class="mw-redirect" title="Integrated Authority File">GND</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://d-nb.info/gnd/4597971-6">4597971-6</a></span></span></li></ul> </div></td><td class="navbox-image" rowspan="1" style="width:1px;padding:0px 0px 0px 2px"><div><span class="skin-invert" typeof="mw:File/Frameless"><a href="/wiki/Ajutor:Control_de_autoritate" title="Ajutor:Control de autoritate"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fd/OOjs_UI_icon_helpNotice-ltr.svg/20px-OOjs_UI_icon_helpNotice-ltr.svg.png" decoding="async" width="20" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fd/OOjs_UI_icon_helpNotice-ltr.svg/30px-OOjs_UI_icon_helpNotice-ltr.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fd/OOjs_UI_icon_helpNotice-ltr.svg/40px-OOjs_UI_icon_helpNotice-ltr.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></div></td></tr></tbody></table></div> <div class="boilerplate metadata" id="stub"> <table cellpadding="0" cellspacing="0"> <tbody><tr> <td><span typeof="mw:File"><a href="/wiki/Fi%C8%99ier:Nuvola_apps_edu_science.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/59/Nuvola_apps_edu_science.svg/32px-Nuvola_apps_edu_science.svg.png" decoding="async" width="32" height="32" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/59/Nuvola_apps_edu_science.svg/48px-Nuvola_apps_edu_science.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/59/Nuvola_apps_edu_science.svg/64px-Nuvola_apps_edu_science.svg.png 2x" data-file-width="128" data-file-height="128" /></a></span> </td> <td><i> Acest articol din domeniul <a href="/wiki/Chimie" title="Chimie">chimiei</a> este un <a href="/wiki/Wikipedia:Articolul_ciot_perfect" class="mw-redirect" title="Wikipedia:Articolul ciot perfect">ciot</a>. Puteți <a href="/wiki/Wikipedia:G%C4%83se%C8%99te_%C8%99i_repar%C4%83_un_ciot" title="Wikipedia:Găsește și repară un ciot">ajuta</a> Wikipedia prin completarea lui.</i> </td></tr></tbody></table></div> <p><br /> </p> <table class="navbox" cellspacing="0" style=""> <tbody><tr> <td style="padding:2px;"> <table cellspacing="0" class="nowraplinks collapsible" style="width:100%;background:transparent;color:inherit;;"> <tbody><tr> <th style=";" colspan="2" class="navbox-title"><div style="float:left; width:6em;text-align:left;"><div class="noprint plainlinks" style="padding:0; font-size:xx-small; color:var(--color-base, #000); white-space:nowrap; ;"><span style=";;border:none;"><a href="/wiki/Format:Alchine" title="Format:Alchine"><span title="Vizualizare format" style=";;border:none;;">v</span></a> <span style="font-size:80%;">•</span> <a href="/wiki/Discu%C8%9Bie_Format:Alchine" title="Discuție Format:Alchine"><span title="Discuție format" style=";;border:none;;">d</span></a> <span style="font-size:80%;">•</span> <a class="external text" href="https://ro.wikipedia.org/w/index.php?title=Format:Alchine&action=edit"><span title="Acest format se poate modifica. Folosiți butonul de previzualizare înainte de a salva." style=";;border:none;;">m</span></a></span></div></div><span class="" style="font-size: 110%;"><a href="/wiki/Alchin%C4%83" title="Alchină">Alchine</a></span> </th></tr> <tr style="height:2px;"> <td> </td></tr> <tr> <td colspan="2" style="width:100%;padding:0px;;;" class="navbox-list navbox-odd"> <div style="padding:0em 0.25em"> <a href="/wiki/Acetilen%C4%83" title="Acetilenă">Acetilenă</a> (<span class="chemf nowrap">C<span style="display:inline-block; margin-bottom:-0.3em; vertical-align:-0.4em; line-height:1.2em; font-size:85%; text-align:left;"><br />2</span>H<span style="display:inline-block; margin-bottom:-0.3em; vertical-align:-0.4em; line-height:1.2em; font-size:85%; text-align:left;"><br />4</span></span>) • <a class="mw-selflink selflink">Propină</a> (<span class="chemf nowrap">C<span style="display:inline-block; margin-bottom:-0.3em; vertical-align:-0.4em; line-height:1.2em; font-size:85%; text-align:left;"><br />3</span>H<span style="display:inline-block; margin-bottom:-0.3em; vertical-align:-0.4em; line-height:1.2em; font-size:85%; text-align:left;"><br />6</span></span>) • <a href="/wiki/Butin%C4%83" title="Butină">Butină</a> (<span class="chemf nowrap">C<span style="display:inline-block; margin-bottom:-0.3em; vertical-align:-0.4em; line-height:1.2em; font-size:85%; text-align:left;"><br />4</span>H<span style="display:inline-block; margin-bottom:-0.3em; vertical-align:-0.4em; line-height:1.2em; font-size:85%; text-align:left;"><br />8</span></span>) • <a href="/wiki/Pentin%C4%83" title="Pentină">Pentină</a> (<span class="chemf nowrap">C<span style="display:inline-block; margin-bottom:-0.3em; vertical-align:-0.4em; line-height:1.2em; font-size:85%; text-align:left;"><br />5</span>H<span style="display:inline-block; margin-bottom:-0.3em; vertical-align:-0.4em; line-height:1.2em; font-size:85%; text-align:left;"><br />10</span></span>) • <a href="/wiki/3-hexin%C4%83" title="3-hexină">Hexină</a> (<span class="chemf nowrap">C<span style="display:inline-block; margin-bottom:-0.3em; vertical-align:-0.4em; line-height:1.2em; font-size:85%; text-align:left;"><br />6</span>H<span style="display:inline-block; margin-bottom:-0.3em; vertical-align:-0.4em; line-height:1.2em; font-size:85%; text-align:left;"><br />12</span></span>) • <a href="/w/index.php?title=Heptin%C4%83&action=edit&redlink=1" class="new" title="Heptină — pagină inexistentă">Heptină</a> (<span class="chemf nowrap">C<span style="display:inline-block; margin-bottom:-0.3em; vertical-align:-0.4em; line-height:1.2em; font-size:85%; text-align:left;"><br />7</span>H<span style="display:inline-block; margin-bottom:-0.3em; vertical-align:-0.4em; line-height:1.2em; font-size:85%; text-align:left;"><br />14</span></span>) • <a href="/wiki/Octin%C4%83" title="Octină">Octină</a> (<span class="chemf nowrap">C<span style="display:inline-block; margin-bottom:-0.3em; vertical-align:-0.4em; line-height:1.2em; font-size:85%; text-align:left;"><br />8</span>H<span style="display:inline-block; margin-bottom:-0.3em; vertical-align:-0.4em; line-height:1.2em; font-size:85%; text-align:left;"><br />16</span></span>) • <a href="/w/index.php?title=Nonin%C4%83&action=edit&redlink=1" class="new" title="Nonină — pagină inexistentă">Nonină</a> (<span class="chemf nowrap">C<span style="display:inline-block; margin-bottom:-0.3em; vertical-align:-0.4em; line-height:1.2em; font-size:85%; text-align:left;"><br />9</span>H<span style="display:inline-block; margin-bottom:-0.3em; vertical-align:-0.4em; line-height:1.2em; font-size:85%; text-align:left;"><br />18</span></span>) • <a href="/w/index.php?title=Decin%C4%83&action=edit&redlink=1" class="new" title="Decină — pagină inexistentă">Decină</a> (<span class="chemf nowrap">C<span style="display:inline-block; margin-bottom:-0.3em; vertical-align:-0.4em; line-height:1.2em; font-size:85%; text-align:left;"><br />10</span>H<span style="display:inline-block; margin-bottom:-0.3em; vertical-align:-0.4em; line-height:1.2em; font-size:85%; text-align:left;"><br />20</span></span>)</div> </td></tr></tbody></table> </td></tr></tbody></table><style data-mw-deduplicate="TemplateStyles:r16513826">.mw-parser-output .navbox{margin:0 auto 0}@media screen{html.skin-theme-clientpref-night .mw-parser-output .navbox-abovebelow[style],html.skin-theme-clientpref-night .mw-parser-output .navbox-group[style],html.skin-theme-clientpref-night .mw-parser-output .navbox-image[style],html.skin-theme-clientpref-night .mw-parser-output .navbox-list[style]{background:inherit!important;color:inherit!important;border-top:2px solid #fdfdfd!important}html.skin-theme-clientpref-night .mw-parser-output .navbox[style],html.skin-theme-clientpref-night .mw-parser-output .navbox-subgroup[style],html.skin-theme-clientpref-night .mw-parser-output .navbox-group[style],html.skin-theme-clientpref-night .mw-parser-output .navbox-even[style],html.skin-theme-clientpref-night .mw-parser-output .navbox-abovebelow[style],html.skin-theme-clientpref-night .mw-parser-output .navbox-title[style]{background:inherit!important;color:inherit!important;border-color:#54595d!important}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbox-abovebelow[style],html.skin-theme-clientpref-os .mw-parser-output .navbox-group[style],html.skin-theme-clientpref-os .mw-parser-output .navbox-image[style],html.skin-theme-clientpref-os .mw-parser-output .navbox-list[style]{background:inherit!important;color:inherit!important;border-top:2px solid #fdfdfd!important}html.skin-theme-clientpref-os .mw-parser-output .navbox[style],html.skin-theme-clientpref-os .mw-parser-output .navbox-subgroup[style],html.skin-theme-clientpref-os .mw-parser-output .navbox-group[style],html.skin-theme-clientpref-os .mw-parser-output .navbox-even[style],html.skin-theme-clientpref-os .mw-parser-output .navbox-abovebelow[style],html.skin-theme-clientpref-os .mw-parser-output .navbox-title[style]{background:inherit!important;color:inherit!important;border-color:#54595d!important}}</style>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1&useformat=desktop" alt="" width="1" height="1" style="border: none; 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