CINXE.COM

<!DOCTYPE html><html lang="en"><head>  <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start': new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0], j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src= 'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f); })(window,document,'script','dataLayer','GTM-KQVQ75G');</script>   <script async="" src="https://www.googletagmanager.com/gtag/js?id=G-G2HY3JW1Z5"></script> <script> window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'G-G2HY3JW1Z5'); </script> <meta charset="utf-8"> <meta name="description" content="Quickly confirm chemical names, CAS Registry Numbers®, structures or basic physical properties by searching compounds of general interest or leveraging an API connection."> <title>CAS Common Chemistry</title> <base href="/"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="icon" type="image/x-icon" href="favicon.png?ver=2"> <link rel="stylesheet" href="styles.adfc584f1e392da87a9d.css"><style ng-transition="serverApp"></style><style ng-transition="serverApp">.loading-overlay[_ngcontent-sc46]{position:fixed;z-index:1100;top:0;left:0;width:100%;height:100%;background-color:#fff;transition:.5s}div.loading-container[_ngcontent-sc46]{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%)}div.loading-container[_ngcontent-sc46] .img-loading[_ngcontent-sc46]{display:block;margin:0 auto;max-width:150px}</style><style ng-transition="serverApp">@font-face{font-family:Open_Sans;font-style:normal;font-weight:400;src:url(open-sans-v13-regular.54540cb1e92164ef3313.eot);src:local("Open Sans"),local("OpenSans"),url(open-sans-v13-regular.54540cb1e92164ef3313.eot?#iefix) format("embedded-opentype"),url(open-sans-v13-regular.4250bf1b7a0dce186cef.woff2) format("woff2"),url(open-sans-v13-regular.58f917c382973e98c491.woff) format("woff"),url(open-sans-v13-regular.17e98b9e5586529b13cc.ttf) format("truetype")}@font-face{font-family:Open_Sans;font-style:normal;font-weight:600;src:url(open-sans-v13-600.81ca46fd4b32d0a55978.eot);src:local("Open Sans Semibold"),local("OpenSans-Semibold"),url(open-sans-v13-600.81ca46fd4b32d0a55978.eot?#iefix) format("embedded-opentype"),url(open-sans-v13-600.5774086c0982c08e56ea.woff2) format("woff2"),url(open-sans-v13-600.d356553ea386bb603f1d.woff) format("woff"),url(open-sans-v13-600.029b9bc9d72f4d799803.ttf) format("truetype")}@font-face{font-family:Open_Sans;font-style:italic;font-weight:400;src:url(open-sans-v13-italic.037d816c3b93f165cd5e.eot);src:local("Open Sans Italic"),local("OpenSans-Italic"),url(open-sans-v13-italic.037d816c3b93f165cd5e.eot?#iefix) format("embedded-opentype"),url(open-sans-v13-italic.8d6ddc670b28cd2f08b3.woff) format("woff"),url(open-sans-v13-italic.bdee26cfcf85c6d8028e.woff2) format("woff2"),url(open-sans-v13-italic.9585580230392fee3fdc.ttf) format("truetype")}@font-face{font-family:Soleil;font-style:normal;font-weight:400;src:url(soleil.506914c24f8c910e6b3f.woff)}@font-face{font-family:Soleil;font-style:normal;font-weight:600;src:url(soleil-bold.4c5e19f68c6023d0d1fd.woff)}@font-face{font-family:Soleil;font-style:normal;font-weight:800;src:url(soleil-extra-bold.7de35144eef26851eb7a.woff)}.btn-icon[_ngcontent-sc101]{position:relative;width:2.4285rem;height:2.4285rem}.btn-icon[_ngcontent-sc101] svg[_ngcontent-sc101]{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:1.75rem;height:1.75rem}.csl-grey-button[_ngcontent-sc101]{border:1px solid #e3e2e3;border-radius:4px;opacity:1;background-color:#fbfbfb;color:#262626;margin-left:5px}.dropshadow[_ngcontent-sc101]{box-shadow:1px 2px 4px rgba(0,0,0,.1607843137254902)}.disabled-color[_ngcontent-sc101] svg[_ngcontent-sc101]{fill:#d1d1d1}.csl-blue-button[_ngcontent-sc101]{box-shadow:1px 2px 4px rgba(0,0,0,.1607843137254902);border-radius:4px;opacity:1;background-color:#0033a0;color:#fff;margin-left:5px}.cas-button[_ngcontent-sc101]{font-size:16px;font-weight:400;letter-spacing:0;color:#fff;opacity:1}.logo-image[_ngcontent-sc101]{padding-left:3px}.navbar-brand-link[_ngcontent-sc101]{outline:none!important}</style><style ng-transition="serverApp">@font-face{font-family:Open_Sans;font-style:normal;font-weight:400;src:url(open-sans-v13-regular.54540cb1e92164ef3313.eot);src:local("Open Sans"),local("OpenSans"),url(open-sans-v13-regular.54540cb1e92164ef3313.eot?#iefix) format("embedded-opentype"),url(open-sans-v13-regular.4250bf1b7a0dce186cef.woff2) format("woff2"),url(open-sans-v13-regular.58f917c382973e98c491.woff) format("woff"),url(open-sans-v13-regular.17e98b9e5586529b13cc.ttf) format("truetype")}@font-face{font-family:Open_Sans;font-style:normal;font-weight:600;src:url(open-sans-v13-600.81ca46fd4b32d0a55978.eot);src:local("Open Sans Semibold"),local("OpenSans-Semibold"),url(open-sans-v13-600.81ca46fd4b32d0a55978.eot?#iefix) format("embedded-opentype"),url(open-sans-v13-600.5774086c0982c08e56ea.woff2) format("woff2"),url(open-sans-v13-600.d356553ea386bb603f1d.woff) format("woff"),url(open-sans-v13-600.029b9bc9d72f4d799803.ttf) format("truetype")}@font-face{font-family:Open_Sans;font-style:italic;font-weight:400;src:url(open-sans-v13-italic.037d816c3b93f165cd5e.eot);src:local("Open Sans Italic"),local("OpenSans-Italic"),url(open-sans-v13-italic.037d816c3b93f165cd5e.eot?#iefix) format("embedded-opentype"),url(open-sans-v13-italic.8d6ddc670b28cd2f08b3.woff) format("woff"),url(open-sans-v13-italic.bdee26cfcf85c6d8028e.woff2) format("woff2"),url(open-sans-v13-italic.9585580230392fee3fdc.ttf) format("truetype")}@font-face{font-family:Soleil;font-style:normal;font-weight:400;src:url(soleil.506914c24f8c910e6b3f.woff)}@font-face{font-family:Soleil;font-style:normal;font-weight:600;src:url(soleil-bold.4c5e19f68c6023d0d1fd.woff)}@font-face{font-family:Soleil;font-style:normal;font-weight:800;src:url(soleil-extra-bold.7de35144eef26851eb7a.woff)}.footer-sub-container[_ngcontent-sc102]{box-shadow:0 50vh 0 50vh #051c2c;margin-top:35px}.footer-content[_ngcontent-sc102], .footer-sub-container[_ngcontent-sc102]{background:#051c2c 0 0 no-repeat padding-box;opacity:1}.footer-content[_ngcontent-sc102]{border-top:1px solid #f7c951;color:#fff;margin:0 auto;padding:50px 0 80px;display:flex;flex-wrap:wrap;justify-content:space-between}@media screen and (max-width:880px){.footer-content[_ngcontent-sc102]{padding:50px 20px}}.footer-content[_ngcontent-sc102] a[_ngcontent-sc102]{color:#fff}.footer-content[_ngcontent-sc102] h4[_ngcontent-sc102]{font-weight:700}.footer-content[_ngcontent-sc102] .centered-container[_ngcontent-sc102]{padding-top:54px;padding-bottom:25px}.footer-services[_ngcontent-sc102]{border-right:thin solid #fbfbfb;margin-bottom:20px}@media screen and (max-width:880px){.footer-services[_ngcontent-sc102]{border:none}}@media screen and (max-width:576px){.footer-services[_ngcontent-sc102]{display:none}}.footer-side-col[_ngcontent-sc102]{margin-bottom:20px}.footer-section[_ngcontent-sc102]{flex:0 0 100%}.left-block[_ngcontent-sc102]{width:60%;display:inline-block}.right-block[_ngcontent-sc102]{width:40%}.right-block[_ngcontent-sc102], ul[_ngcontent-sc102]{display:inline-block}ul[_ngcontent-sc102]{vertical-align:middle}.footer-social[_ngcontent-sc102]{margin-top:40px}@media screen and (min-width:880px){.footer-menu[_ngcontent-sc102]{flex:0 0 49%}}@media screen and (min-width:576px){.footer-menu[_ngcontent-sc102]{flex:0 0 70%}}@media screen and (min-width:880px){.footer-social[_ngcontent-sc102]{flex:0 0 49%}}@media screen and (min-width:576px){.footer-social[_ngcontent-sc102]{flex:0 0 29%}}.footer-menu[_ngcontent-sc102] ul[_ngcontent-sc102]{margin:0;padding:0}.footer-menu[_ngcontent-sc102] li[_ngcontent-sc102]{display:inline-block;list-style:none;margin:0 35px 0 0;padding:0}@media screen and (max-width:880px){.footer-menu[_ngcontent-sc102] li[_ngcontent-sc102]{margin:0 35px 10px 0}}.footer-social[_ngcontent-sc102] ul[_ngcontent-sc102]{display:flex;justify-content:flex-start;margin:0;padding:0}@media screen and (max-width:880px){.footer-social[_ngcontent-sc102] ul[_ngcontent-sc102]{justify-content:flex-start}}.footer-social[_ngcontent-sc102] li[_ngcontent-sc102]{list-style:none;margin:0 30px 0 0;padding:0}.footer-menu[_ngcontent-sc102] a[_ngcontent-sc102]{display:inline-block}.footer-social[_ngcontent-sc102] a[_ngcontent-sc102]{background-position:50%;background-repeat:no-repeat;background-size:30px;display:block;height:0;overflow:hidden;padding:30px 0 0;text-decoration:none;width:30px}.footer-social[_ngcontent-sc102] a.linkedin[_ngcontent-sc102]{background-image:url(Lk-In-Bug_white.7b1165bc9f34608303eb.svg)}.footer-social[_ngcontent-sc102] a.twitter[_ngcontent-sc102]{background-image:url(x-logo.5ad7666d04b3c92604fa.svg)}.footer-social[_ngcontent-sc102] a.facebook[_ngcontent-sc102]{background-image:url(facebook-social-white.20148d17392155fe5887.svg)}.footer-social[_ngcontent-sc102] a.youtube[_ngcontent-sc102]{background-image:url(yt_icon_white.2689530dfed1f4c07456.svg)}.footer-contact[_ngcontent-sc102]{margin-bottom:0}@media screen and (max-width:1366px){.footer-contact[_ngcontent-sc102]{margin-bottom:32px}}@media screen and (min-width:880px){.footer-copyright[_ngcontent-sc102]{text-align:right}}@media screen and (max-width:880px){.footer-copyright[_ngcontent-sc102]{text-align:left}}@media screen and (min-width:880px){.footer-contact[_ngcontent-sc102], .footer-copyright[_ngcontent-sc102]{flex:0 0 30%}}@media screen and (max-width:880px){.footer-contact[_ngcontent-sc102], .footer-copyright[_ngcontent-sc102]{flex:0 0 100%;margin-top:20px}}.site-footer[_ngcontent-sc102]{font-family:Arial,sans-serif;clear:both;color:#fff;font-size:16px;line-height:1.5}.site-footer__nav[_ngcontent-sc102]{display:flex;column-gap:40px;flex:unset}@media screen and (max-width:900px){.site-footer__nav[_ngcontent-sc102]{display:block!important;width:90%;margin-left:auto;margin-right:auto}}.site-footer__menu[_ngcontent-sc102]{display:grid;grid-template-columns:repeat(4,1fr);margin-bottom:0;column-gap:30px;max-height:unset}@media screen and (min-width:576px) and (max-width:900px){.site-footer__menu[_ngcontent-sc102]{display:grid;grid-template-columns:repeat(2,1fr)}}@media screen and (max-width:576px){.site-footer__menu[_ngcontent-sc102]{display:flex;flex-flow:column wrap;justify-content:space-between;margin-bottom:50px}}.site-footer__link[_ngcontent-sc102]{color:#fff;text-decoration:none}.site-footer__link[_ngcontent-sc102]:hover{text-decoration:underline}.l-main[_ngcontent-sc102] .site-footer[_ngcontent-sc102] li[_ngcontent-sc102], .l-main[_ngcontent-sc102] .site-footer[_ngcontent-sc102] p[_ngcontent-sc102], .site-footer[_ngcontent-sc102] li[_ngcontent-sc102], .site-footer[_ngcontent-sc102] p[_ngcontent-sc102]{margin-bottom:10px;height:-webkit-fit-content;height:-moz-fit-content;height:fit-content}.site-footer__info-title[_ngcontent-sc102] .site-footer__link[_ngcontent-sc102], .site-footer__info-title[_ngcontent-sc102] .site-footer[_ngcontent-sc102] a[_ngcontent-sc102], .site-footer__link.site-footer__link--level-1[_ngcontent-sc102], .site-footer[_ngcontent-sc102] a.site-footer__link--level-1[_ngcontent-sc102]{font-family:Soleil,Arial,sans-serif!important;font-size:1.45rem;font-weight:600;line-height:1.25;color:#ffc72c;display:inline-block;text-underline-offset:3px;text-decoration-thickness:.05rem}.footer-container[_ngcontent-sc102]{font-family:Arial,sans-serif;background-color:#051c2c;clear:both;color:#fff;font-size:1.15rem;line-height:1.25;padding-top:40px}dl[_ngcontent-sc102], ol[_ngcontent-sc102], ul[_ngcontent-sc102]{margin:0!important;padding:0!important;list-style-type:none!important}.l-main[_ngcontent-sc102] .site-footer[_ngcontent-sc102] li.site-footer__item--level-2[_ngcontent-sc102], .site-footer[_ngcontent-sc102] li.site-footer__item--level-2[_ngcontent-sc102]{margin-bottom:10px}.site-footer__info[_ngcontent-sc102]{flex:unset;height:-webkit-fit-content;height:-moz-fit-content;height:fit-content}.site-footer__info[_ngcontent-sc102] .heading[_ngcontent-sc102]{white-space:nowrap}.site-footer[_ngcontent-sc102] .heading[_ngcontent-sc102]{margin-bottom:20px}</style><style ng-transition="serverApp">h1[_ngcontent-sc118]{margin:0 0 20px;font-size:22px;color:#262626;word-break:break-word;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;line-height:normal}.col-xs-12[_ngcontent-sc118]{padding:0 8px}.detail-content-box[_ngcontent-sc118]{background:#fff 0 0 no-repeat padding-box;box-shadow:1px 1px 1px rgba(0,0,0,.1607843137254902);border:1px solid #e3e2e3;border-radius:4px;padding:11px 13px;margin:0 auto 12px;min-width:350px}@media screen and (max-width:880px){.detail-content-box[_ngcontent-sc118]{min-width:300px}}.detail-content-box[_ngcontent-sc118] h2[_ngcontent-sc118]{font-size:18px;font-weight:700;margin:0 auto 7px}.detail-content-box[_ngcontent-sc118] h3[_ngcontent-sc118]{font-size:14px;font-weight:700;color:#727272;margin:15px auto 2px}.detail-content-box-left[_ngcontent-sc118] h3[_ngcontent-sc118]:first-child{margin-top:0}.detail-content-box-left[_ngcontent-sc118]{margin-right:7px}@media screen and (max-width:880px){.detail-content-box-left[_ngcontent-sc118]{margin:0 auto 12px}}.detail-content-box-right[_ngcontent-sc118]{margin-left:7px}@media screen and (max-width:880px){.detail-content-box-right[_ngcontent-sc118]{margin:0 auto 12px}}.detail-synonym-box[_ngcontent-sc118]{margin-left:20px;margin-bottom:10px}.detail-synonym-box[_ngcontent-sc118] ul[_ngcontent-sc118]{margin:0;padding:0}.detail-synonym-box[_ngcontent-sc118] ul[_ngcontent-sc118] li[_ngcontent-sc118]{word-break:break-word;margin-bottom:3px}.detail-image-wrapper[_ngcontent-sc118] img[_ngcontent-sc118]{width:100%;max-width:334px}.detail-error[_ngcontent-sc118]{margin-top:25px;background-color:#ffffca;border:1px solid #000;padding:5px;margin-bottom:20px}.identifier[_ngcontent-sc118]{word-break:break-all}.insight-teaser[_ngcontent-sc118]{padding-bottom:30px}.padding-bottom-40[_ngcontent-sc118]{padding-bottom:40px}</style><style ng-transition="serverApp">.license-description[_ngcontent-sc106]{text-align:left;font:normal normal normal 11px/14px Arial;letter-spacing:0;opacity:1;margin-top:25px}@media screen and (max-width:576px){.license-description[_ngcontent-sc106]{text-align:center}}.text-bg-blue[_ngcontent-sc106] a[_ngcontent-sc106]{color:#41b6e6!important}.text-white[_ngcontent-sc106]{color:#fff}.text-black[_ngcontent-sc106]{color:#262626}</style><style ng-transition="serverApp">.status-message[_ngcontent-sc111]{background-color:#ffffca;border:1px solid #000;padding:5px;margin-bottom:20px}</style><style ng-transition="serverApp">.download-button[_ngcontent-sc112]{font-size:14px;color:#262626;float:right;background-color:#fff;box-shadow:1px 1px 1px rgba(0,0,0,.1607843137254902);border:1px solid #e3e2e3;border-radius:4px;background-image:url(download_icon.d1491392d2ee21e7eddf.svg);background-position:50%;background-repeat:no-repeat;height:34px;width:34px;overflow:hidden}.download-button[_ngcontent-sc112]:hover{background-color:#eee;border:1px solid #d1d1d1}.download-button[_ngcontent-sc112]:disabled{background-color:#fbfbfb;border:1px solid #e3e2e3;background-image:url(download_icon-disabled.403c0776c8147fcda3cd.svg)}</style><style ng-transition="serverApp">h1[_ngcontent-sc115]{margin:0 0 20px;font-size:22px;color:#262626;word-break:break-word;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;line-height:normal}.col-xs-12[_ngcontent-sc115]{padding:0 8px}.detail-content-box[_ngcontent-sc115]{background:#fff 0 0 no-repeat padding-box;box-shadow:1px 1px 1px rgba(0,0,0,.1607843137254902);border:1px solid #e3e2e3;border-radius:4px;padding:11px 13px;margin:0 auto 12px;min-width:350px}@media screen and (max-width:880px){.detail-content-box[_ngcontent-sc115]{min-width:300px}}.detail-content-box[_ngcontent-sc115] h2[_ngcontent-sc115]{font-size:18px;font-weight:700;margin:0 auto 7px}.detail-content-box[_ngcontent-sc115] h3[_ngcontent-sc115]{font-size:14px;font-weight:700;color:#727272;margin:15px auto 2px}.detail-content-box-left[_ngcontent-sc115] h3[_ngcontent-sc115]:first-child{margin-top:0}.detail-content-box-left[_ngcontent-sc115]{margin-right:7px}@media screen and (max-width:880px){.detail-content-box-left[_ngcontent-sc115]{margin:0 auto 12px}}.detail-content-box-right[_ngcontent-sc115]{margin-left:7px}@media screen and (max-width:880px){.detail-content-box-right[_ngcontent-sc115]{margin:0 auto 12px}}.detail-synonym-box[_ngcontent-sc115]{margin-left:20px;margin-bottom:10px}.detail-synonym-box[_ngcontent-sc115] ul[_ngcontent-sc115]{margin:0;padding:0}.detail-synonym-box[_ngcontent-sc115] ul[_ngcontent-sc115] li[_ngcontent-sc115]{word-break:break-word;margin-bottom:3px}.detail-image-wrapper[_ngcontent-sc115] img[_ngcontent-sc115]{width:100%;max-width:334px}.detail-error[_ngcontent-sc115]{margin-top:25px;background-color:#ffffca;border:1px solid #000;padding:5px;margin-bottom:20px}.identifier[_ngcontent-sc115]{word-break:break-all}.insight-teaser[_ngcontent-sc115]{padding-bottom:30px}.padding-bottom-40[_ngcontent-sc115]{padding-bottom:40px}.cas-registry-number[_ngcontent-sc115]{font-size:22px;font-weight:700;margin-bottom:20px}.view-sfn-button[_ngcontent-sc115]{display:block;width:100%;max-width:320px;height:35px;background:#033aa0 0 0 no-repeat padding-box;border-radius:4px;border-width:0;opacity:1;color:#fff;margin:19px auto 0}.page-citation[_ngcontent-sc115]{margin-top:54px}</style><style ng-transition="serverApp">h1[_ngcontent-sc116]{margin:0 0 20px;font-size:22px;color:#262626;word-break:break-word;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;line-height:normal}.col-xs-12[_ngcontent-sc116]{padding:0 8px}.detail-content-box[_ngcontent-sc116]{background:#fff 0 0 no-repeat padding-box;box-shadow:1px 1px 1px rgba(0,0,0,.1607843137254902);border:1px solid #e3e2e3;border-radius:4px;padding:11px 13px;margin:0 auto 12px;min-width:350px}@media screen and (max-width:880px){.detail-content-box[_ngcontent-sc116]{min-width:300px}}.detail-content-box[_ngcontent-sc116] h2[_ngcontent-sc116]{font-size:18px;font-weight:700;margin:0 auto 7px}.detail-content-box[_ngcontent-sc116] h3[_ngcontent-sc116]{font-size:14px;font-weight:700;color:#727272;margin:15px auto 2px}.detail-content-box-left[_ngcontent-sc116] h3[_ngcontent-sc116]:first-child{margin-top:0}.detail-content-box-left[_ngcontent-sc116]{margin-right:7px}@media screen and (max-width:880px){.detail-content-box-left[_ngcontent-sc116]{margin:0 auto 12px}}.detail-content-box-right[_ngcontent-sc116]{margin-left:7px}@media screen and (max-width:880px){.detail-content-box-right[_ngcontent-sc116]{margin:0 auto 12px}}.detail-synonym-box[_ngcontent-sc116]{margin-left:20px;margin-bottom:10px}.detail-synonym-box[_ngcontent-sc116] ul[_ngcontent-sc116]{margin:0;padding:0}.detail-synonym-box[_ngcontent-sc116] ul[_ngcontent-sc116] li[_ngcontent-sc116]{word-break:break-word;margin-bottom:3px}.detail-image-wrapper[_ngcontent-sc116] img[_ngcontent-sc116]{width:100%;max-width:334px}.detail-error[_ngcontent-sc116]{margin-top:25px;background-color:#ffffca;border:1px solid #000;padding:5px;margin-bottom:20px}.identifier[_ngcontent-sc116]{word-break:break-all}.insight-teaser[_ngcontent-sc116]{padding-bottom:30px}.padding-bottom-40[_ngcontent-sc116]{padding-bottom:40px}</style><style ng-transition="serverApp">@font-face{font-family:Open_Sans;font-style:normal;font-weight:400;src:url(open-sans-v13-regular.54540cb1e92164ef3313.eot);src:local("Open Sans"),local("OpenSans"),url(open-sans-v13-regular.54540cb1e92164ef3313.eot?#iefix) format("embedded-opentype"),url(open-sans-v13-regular.4250bf1b7a0dce186cef.woff2) format("woff2"),url(open-sans-v13-regular.58f917c382973e98c491.woff) format("woff"),url(open-sans-v13-regular.17e98b9e5586529b13cc.ttf) format("truetype")}@font-face{font-family:Open_Sans;font-style:normal;font-weight:600;src:url(open-sans-v13-600.81ca46fd4b32d0a55978.eot);src:local("Open Sans Semibold"),local("OpenSans-Semibold"),url(open-sans-v13-600.81ca46fd4b32d0a55978.eot?#iefix) format("embedded-opentype"),url(open-sans-v13-600.5774086c0982c08e56ea.woff2) format("woff2"),url(open-sans-v13-600.d356553ea386bb603f1d.woff) format("woff"),url(open-sans-v13-600.029b9bc9d72f4d799803.ttf) format("truetype")}@font-face{font-family:Open_Sans;font-style:italic;font-weight:400;src:url(open-sans-v13-italic.037d816c3b93f165cd5e.eot);src:local("Open Sans Italic"),local("OpenSans-Italic"),url(open-sans-v13-italic.037d816c3b93f165cd5e.eot?#iefix) format("embedded-opentype"),url(open-sans-v13-italic.8d6ddc670b28cd2f08b3.woff) format("woff"),url(open-sans-v13-italic.bdee26cfcf85c6d8028e.woff2) format("woff2"),url(open-sans-v13-italic.9585580230392fee3fdc.ttf) format("truetype")}@font-face{font-family:Soleil;font-style:normal;font-weight:400;src:url(soleil.506914c24f8c910e6b3f.woff)}@font-face{font-family:Soleil;font-style:normal;font-weight:600;src:url(soleil-bold.4c5e19f68c6023d0d1fd.woff)}@font-face{font-family:Soleil;font-style:normal;font-weight:800;src:url(soleil-extra-bold.7de35144eef26851eb7a.woff)}.teaser[_ngcontent-sc107]{width:24.25%;height:265px;display:flex;flex-direction:column;position:relative}@media screen and (min-width:576px) and (max-width:900px){.teaser[_ngcontent-sc107]{width:100%;height:auto}}@media screen and (max-width:576px){.teaser[_ngcontent-sc107]{width:auto;margin-right:10px}}.teaser-header[_ngcontent-sc107]{font-size:22px;font-weight:600;line-height:28px;letter-spacing:0;text-transform:uppercase;opacity:1;margin:10px 10px 10px 5px}.cas-blue[_ngcontent-sc107]{color:#0032a0}.secondary-cas-blue[_ngcontent-sc107]{color:#41b6e6}.text-white[_ngcontent-sc107]{color:#fff}.text-black[_ngcontent-sc107]{color:#262626}.border-white[_ngcontent-sc107]{border:2px solid #fff;color:#fff!important}.border-black[_ngcontent-sc107]{border:2px solid #262626;color:#262626!important}.teaser[_ngcontent-sc107] img[_ngcontent-sc107]{height:100%;width:100%}.teaser-img[_ngcontent-sc107]{height:58%}@media screen and (min-width:576px) and (max-width:900px){.teaser-img[_ngcontent-sc107]{height:72%}}.teaser-container[_ngcontent-sc107]{display:flex;margin-left:5px;gap:1%}@media screen and (max-width:900px){.teaser-container[_ngcontent-sc107]{flex-direction:column;gap:15px}}.teaser-title[_ngcontent-sc107]{margin-top:15px;margin-bottom:5px;text-align:left;font-size:16px;font-weight:600;line-height:18px;letter-spacing:0;opacity:1;text-underline-offset:3px;-webkit-text-decoration-color:#fff;text-decoration-color:#fff}.teaser-primary[_ngcontent-sc107]:hover{background-color:#ffc72c}.teaser-primary[_ngcontent-sc107]{position:absolute;bottom:0;border-radius:16px;opacity:1;padding:5px 10px;width:-webkit-max-content;width:max-content;font-size:10px!important}@media screen and (max-width:900px){.teaser-primary[_ngcontent-sc107]{position:relative}}.teaser-format[_ngcontent-sc107]{font:normal normal normal 12px/18px Arial;padding-bottom:7px}.teaser-date[_ngcontent-sc107]{font:normal normal 700 12px/18px Arial!important}.truncate[_ngcontent-sc107]{overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical}.teaser-header[_ngcontent-sc107] > sup[_ngcontent-sc107]{top:-.44em;font-size:65%;right:-.1em} ngb-tooltip-window{opacity:1!important}</style><style ng-transition="serverApp">.new-multi-image[_ngcontent-sc114]{position:relative;display:flex;flex-direction:column;height:100%;overflow-y:auto;cursor:pointer;scrollbar-width:thin!important;padding:5px 0;justify-content:flex-start}.new-multi-image[_ngcontent-sc114]:focus, .new-multi-image[_ngcontent-sc114]:focus-visible{border-radius:4px;outline:2px solid #3277ba}.new-multi-image[_ngcontent-sc114] .wrapper[_ngcontent-sc114]{position:relative;width:100%;height:119px}.new-multi-image[_ngcontent-sc114] .multi-content[_ngcontent-sc114]{position:absolute;top:0;bottom:0;left:0;right:0;border:1px solid #e3e2e3;border-radius:4px;margin:5px 10px;background:#fff}.new-multi-image[_ngcontent-sc114] .multi-content[_ngcontent-sc114] .inner-multi-content[_ngcontent-sc114]{width:100%;height:100%;display:flex;flex-direction:row;justify-content:center}.new-multi-image[_ngcontent-sc114] figure[_ngcontent-sc114]{display:flex;flex-direction:column}.no-image-text[_ngcontent-sc114]{display:flex;align-items:center;height:100%}.structure-image-container[_ngcontent-sc114]{height:200px}.structure-images-container[_ngcontent-sc114]{height:200px;background-color:#fbfbfb;border:1px solid #e3e2e3;border-radius:4px;margin:0 8px}</style><style ng-transition="serverApp">h1[_ngcontent-sc117]{margin:0 0 20px;font-size:22px;color:#262626;word-break:break-word;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;line-height:normal}.col-xs-12[_ngcontent-sc117]{padding:0 8px}.detail-content-box[_ngcontent-sc117]{background:#fff 0 0 no-repeat padding-box;box-shadow:1px 1px 1px rgba(0,0,0,.1607843137254902);border:1px solid #e3e2e3;border-radius:4px;padding:11px 13px;margin:0 auto 12px;min-width:350px}@media screen and (max-width:880px){.detail-content-box[_ngcontent-sc117]{min-width:300px}}.detail-content-box[_ngcontent-sc117] h2[_ngcontent-sc117]{font-size:18px;font-weight:700;margin:0 auto 7px}.detail-content-box[_ngcontent-sc117] h3[_ngcontent-sc117]{font-size:14px;font-weight:700;color:#727272;margin:15px auto 2px}.detail-content-box-left[_ngcontent-sc117] h3[_ngcontent-sc117]:first-child{margin-top:0}.detail-content-box-left[_ngcontent-sc117]{margin-right:7px}@media screen and (max-width:880px){.detail-content-box-left[_ngcontent-sc117]{margin:0 auto 12px}}.detail-content-box-right[_ngcontent-sc117]{margin-left:7px}@media screen and (max-width:880px){.detail-content-box-right[_ngcontent-sc117]{margin:0 auto 12px}}.detail-synonym-box[_ngcontent-sc117]{margin-left:20px;margin-bottom:10px}.detail-synonym-box[_ngcontent-sc117] ul[_ngcontent-sc117]{margin:0;padding:0}.detail-synonym-box[_ngcontent-sc117] ul[_ngcontent-sc117] li[_ngcontent-sc117]{word-break:break-word;margin-bottom:3px}.detail-image-wrapper[_ngcontent-sc117] img[_ngcontent-sc117]{width:100%;max-width:334px}.detail-error[_ngcontent-sc117]{margin-top:25px;background-color:#ffffca;border:1px solid #000;padding:5px;margin-bottom:20px}.identifier[_ngcontent-sc117]{word-break:break-all}.insight-teaser[_ngcontent-sc117]{padding-bottom:30px}.padding-bottom-40[_ngcontent-sc117]{padding-bottom:40px}ul.properties[_ngcontent-sc117], ul.sources[_ngcontent-sc117]{padding:0;margin:3px auto 0}ul.properties[_ngcontent-sc117] li[_ngcontent-sc117], ul.sources[_ngcontent-sc117] li[_ngcontent-sc117]{list-style:none;margin:2px auto 10px}</style><style ng-transition="serverApp">.image-wrapper[_ngcontent-sc113]{max-width:334px;margin:auto;height:100%;display:flex}</style></head> <body>  <noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-KQVQ75G" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>  <app-root _nghost-sc103="" ng-version="10.2.3"><app-loading-screen _ngcontent-sc103="" _nghost-sc46=""><div _ngcontent-sc46="" class="loading-overlay"><div _ngcontent-sc46="" class="loading-container"><img _ngcontent-sc46="" src="./assets/loading.gif" alt="Loading animated gif" class="img-loading"></div></div></app-loading-screen><app-header _ngcontent-sc103="" _nghost-sc101=""><div _ngcontent-sc101="" class="navbar-wrapper"><nav _ngcontent-sc101="" class="navbar navbar-fixed-top"><div _ngcontent-sc101="" class="centered-container"><button _ngcontent-sc101="" type="button" data-toggle="collapse" data-target="#navbarTogglerCAS" aria-controls="navbarTogglerCAS" aria-expanded="false" aria-label="Toggle menu" class="navbar-toggler"><span _ngcontent-sc101="" class="navbar-toggler-icon">Menu</span></button><a _ngcontent-sc101="" tabindex="0" class="navbar-brand-link"><div _ngcontent-sc101="" class="navbar-brand"><img _ngcontent-sc101="" alt="CAS Logo" aria-label="Return To Home Page" src="assets/CAS_Common-Chemistry_logo.svg" class="logo-image"></div></a><div _ngcontent-sc101="" id="navbarTogglerCAS" class="navbar-collapse collapse" style=""><ul _ngcontent-sc101="" class="navbar-nav"><li _ngcontent-sc101="" class="nav-item"><a _ngcontent-sc101="" tabindex="0" class="nav-link"><span _ngcontent-sc101="" class="cas-button">GET API</span></a></li><li _ngcontent-sc101="" class="nav-item"><a _ngcontent-sc101="" tabindex="0" class="nav-link"><span _ngcontent-sc101="" class="cas-button">ABOUT</span></a></li><li _ngcontent-sc101="" class="nav-item"><a _ngcontent-sc101="" tabindex="0" class="nav-link"><span _ngcontent-sc101="" class="cas-button">CONTACT</span></a></li></ul></div></div></nav></div></app-header><router-outlet _ngcontent-sc103=""></router-outlet><app-detail _nghost-sc118=""><div _ngcontent-sc118="" class="centered-container"><div _ngcontent-sc118="" class="main-content"><app-messages _ngcontent-sc118="" _nghost-sc111=""></app-messages><div _ngcontent-sc118="" class="col-lg-12 col-md-12 col-sm-12 col-xs-12 padding-bottom-40"><div _ngcontent-sc118="" class="row"><div _ngcontent-sc118="" class="col-lg-10 col-md-10 col-sm-10 col-xs-10 no-padding"><h1 _ngcontent-sc118="" class="detail-title">Potassium sulfate</h1></div><div _ngcontent-sc118="" class="col-lg-2 col-md-2 col-sm-2 col-xs-2 no-padding"><app-detail-download-button _ngcontent-sc118="" _nghost-sc112=""><button _ngcontent-sc112="" aria-label="Download Substance Molfile" class="download-button"></button></app-detail-download-button></div></div><div _ngcontent-sc118="" class="col-lg-4 col-md-5 no-padding"><detail-summary _ngcontent-sc118="" _nghost-sc115=""><div _ngcontent-sc115="" class="detail-content-box detail-content-box-left"><h3 _ngcontent-sc115="" class="rn">CAS Registry Number<sup _ngcontent-sc115="">®</sup></h3><div _ngcontent-sc115="" class="cas-registry-number"> 7778-80-5 </div><app-multi-image _ngcontent-sc115="" _nghost-sc114=""><div _ngcontent-sc114="" class="structure-image-container"><app-svg-box _ngcontent-sc114="" _nghost-sc113=""><div _ngcontent-sc113="" class="image-wrapper"><svg width="100" viewBox="0 0 100 90" style="fill-opacity:1;color-rendering:auto;color-interpolation:auto;text-rendering:auto;stroke:black;stroke-linecap:square;stroke-miterlimit:10;shape-rendering:auto;stroke-opacity:1;fill:black;stroke-dasharray:none;font-weight:normal;stroke-width:1;font-family:'Open Sans';font-style:normal;stroke-linejoin:miter;font-size:12;stroke-dashoffset:0;image-rendering:auto;width:100%;height:auto;" height="90" class="cas-substance-image" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg"><svg class="cas-substance-single-component"><rect y="0" x="0" width="100" stroke="none" ry="7" rx="7" height="90" fill="white" class="cas-substance-group"></rect><svg y="0" x="13" width="74" viewBox="0 0 74 75" style="fill:black;" height="75" class="cas-substance-single-component-image"><svg><g><g transform="translate(37,37)" style="text-rendering:geometricPrecision; color-rendering:optimizeQuality; color-interpolation:linearRGB; stroke-linecap:butt; image-rendering:optimizeQuality;"><line y2="-1.75" y1="-1.75" x2="-24.0625" x1="-4.6433" style="fill:none;"></line><line y2="1.75" y1="1.75" x2="-24.0625" x1="-4.6433" style="fill:none;"></line><line y2="1.75" y1="1.75" x2="24.0625" x1="4.561" style="fill:none;"></line><line y2="-1.75" y1="-1.75" x2="24.0625" x1="4.561" style="fill:none;"></line><line y2="23.5234" y1="6.3438" x2="0" x1="0" style="fill:none;"></line><line y2="-23.6484" y1="-6.4688" x2="0" x1="0" style="fill:none;"></line></g><g transform="translate(37,37)" style="fill:rgb(148,108,0); text-rendering:geometricPrecision; color-rendering:optimizeQuality; image-rendering:optimizeQuality; font-family:'Open Sans'; stroke:rgb(148,108,0); color-interpolation:linearRGB;"><path style="stroke:none;" d="M2.6953 1.9375 Q2.6953 3.0625 1.875 3.7031 Q1.0547 4.3438 -0.3516 4.3438 Q-1.8828 4.3438 -2.6953 3.9375 L-2.6953 2.9844 Q-2.1641 3.2031 -1.5469 3.3359 Q-0.9297 3.4688 -0.3203 3.4688 Q0.6797 3.4688 1.1797 3.0859 Q1.6797 2.7031 1.6797 2.0312 Q1.6797 1.5938 1.5 1.3047 Q1.3203 1.0156 0.9062 0.7734 Q0.4922 0.5312 -0.3672 0.2344 Q-1.5547 -0.1875 -2.0703 -0.7734 Q-2.5859 -1.3594 -2.5859 -2.3125 Q-2.5859 -3.2969 -1.8438 -3.8828 Q-1.1016 -4.4688 0.1328 -4.4688 Q1.3984 -4.4688 2.4766 -4 L2.1641 -3.1406 Q1.1016 -3.5781 0.1016 -3.5781 Q-0.6953 -3.5781 -1.1406 -3.2422 Q-1.5859 -2.9062 -1.5859 -2.2969 Q-1.5859 -1.8594 -1.4219 -1.5703 Q-1.2578 -1.2812 -0.8672 -1.0469 Q-0.4766 -0.8125 0.3359 -0.5156 Q1.6797 -0.0469 2.1875 0.5078 Q2.6953 1.0625 2.6953 1.9375 Z"></path><path style="fill:rgb(230,0,0); stroke:none;" d="M-26.0625 -0.0703 Q-26.0625 1.9922 -27.1016 3.1719 Q-28.1406 4.3516 -29.9844 4.3516 Q-31.875 4.3516 -32.9062 3.1875 Q-33.9375 2.0234 -33.9375 -0.0859 Q-33.9375 -2.1797 -32.9062 -3.3281 Q-31.875 -4.4766 -29.9844 -4.4766 Q-28.125 -4.4766 -27.0938 -3.3047 Q-26.0625 -2.1328 -26.0625 -0.0703 ZM-32.8906 -0.0703 Q-32.8906 1.6641 -32.1484 2.5703 Q-31.4062 3.4766 -29.9844 3.4766 Q-28.5625 3.4766 -27.8359 2.5781 Q-27.1094 1.6797 -27.1094 -0.0703 Q-27.1094 -1.8047 -27.8359 -2.6953 Q-28.5625 -3.5859 -29.9844 -3.5859 Q-31.4062 -3.5859 -32.1484 -2.6875 Q-32.8906 -1.7891 -32.8906 -0.0703 Z"></path><path style="fill:rgb(230,0,0); stroke:none;" d="M33.9375 -0.0703 Q33.9375 1.9922 32.8984 3.1719 Q31.8594 4.3516 30.0156 4.3516 Q28.125 4.3516 27.0938 3.1875 Q26.0625 2.0234 26.0625 -0.0859 Q26.0625 -2.1797 27.0938 -3.3281 Q28.125 -4.4766 30.0156 -4.4766 Q31.875 -4.4766 32.9062 -3.3047 Q33.9375 -2.1328 33.9375 -0.0703 ZM27.1094 -0.0703 Q27.1094 1.6641 27.8516 2.5703 Q28.5938 3.4766 30.0156 3.4766 Q31.4375 3.4766 32.1641 2.5781 Q32.8906 1.6797 32.8906 -0.0703 Q32.8906 -1.8047 32.1641 -2.6953 Q31.4375 -3.5859 30.0156 -3.5859 Q28.5938 -3.5859 27.8516 -2.6875 Q27.1094 -1.7891 27.1094 -0.0703 Z"></path><path style="fill:rgb(230,0,0); stroke:none;" d="M3.9375 29.9297 Q3.9375 31.9922 2.8984 33.1719 Q1.8594 34.3516 0.0156 34.3516 Q-1.875 34.3516 -2.9062 33.1875 Q-3.9375 32.0234 -3.9375 29.9141 Q-3.9375 27.8203 -2.9062 26.6719 Q-1.875 25.5234 0.0156 25.5234 Q1.875 25.5234 2.9062 26.6953 Q3.9375 27.8672 3.9375 29.9297 ZM-2.8906 29.9297 Q-2.8906 31.6641 -2.1484 32.5703 Q-1.4062 33.4766 0.0156 33.4766 Q1.4375 33.4766 2.1641 32.5781 Q2.8906 31.6797 2.8906 29.9297 Q2.8906 28.1953 2.1641 27.3047 Q1.4375 26.4141 0.0156 26.4141 Q-1.4062 26.4141 -2.1484 27.3125 Q-2.8906 28.2109 -2.8906 29.9297 Z"></path><path style="fill:rgb(230,0,0); stroke:none;" d="M11.4531 34.2266 L10.4531 34.2266 L10.4531 30.1953 L5.9375 30.1953 L5.9375 34.2266 L4.9375 34.2266 L4.9375 25.6641 L5.9375 25.6641 L5.9375 29.3047 L10.4531 29.3047 L10.4531 25.6641 L11.4531 25.6641 L11.4531 34.2266 Z"></path><path style="fill:rgb(230,0,0); stroke:none;" d="M3.9375 -30.0703 Q3.9375 -28.0078 2.8984 -26.8281 Q1.8594 -25.6484 0.0156 -25.6484 Q-1.875 -25.6484 -2.9062 -26.8125 Q-3.9375 -27.9766 -3.9375 -30.0859 Q-3.9375 -32.1797 -2.9062 -33.3281 Q-1.875 -34.4766 0.0156 -34.4766 Q1.875 -34.4766 2.9062 -33.3047 Q3.9375 -32.1328 3.9375 -30.0703 ZM-2.8906 -30.0703 Q-2.8906 -28.3359 -2.1484 -27.4297 Q-1.4062 -26.5234 0.0156 -26.5234 Q1.4375 -26.5234 2.1641 -27.4219 Q2.8906 -28.3203 2.8906 -30.0703 Q2.8906 -31.8047 2.1641 -32.6953 Q1.4375 -33.5859 0.0156 -33.5859 Q-1.4062 -33.5859 -2.1484 -32.6875 Q-2.8906 -31.7891 -2.8906 -30.0703 Z"></path><path style="fill:rgb(230,0,0); stroke:none;" d="M11.4531 -25.7734 L10.4531 -25.7734 L10.4531 -29.8047 L5.9375 -29.8047 L5.9375 -25.7734 L4.9375 -25.7734 L4.9375 -34.3359 L5.9375 -34.3359 L5.9375 -30.6953 L10.4531 -30.6953 L10.4531 -34.3359 L11.4531 -34.3359 L11.4531 -25.7734 Z"></path></g></g></svg></svg><svg y="75" x="27" class="cas-substance-saf"><svg y="5" x="0" width="4" style="fill:black;" height="4" class="cas-substance-saf-dot"><circle stroke="none" r="2" fill="black" cy="2" cx="2"></circle></svg><svg y="0" x="7" width="12" style="fill:black;" height="15" class="cas-substance-saf-coefficient"><svg><g><g transform="translate(6,7)" style="text-rendering:geometricPrecision; font-family:'Open Sans'; color-interpolation:linearRGB; color-rendering:optimizeQuality; image-rendering:optimizeQuality;"><path style="stroke:none;" d="M2.8125 4.2188 L-2.8125 4.2188 L-2.8125 3.375 L-0.5625 1.1094 Q0.4688 0.0625 0.7969 -0.3828 Q1.125 -0.8281 1.2891 -1.25 Q1.4531 -1.6719 1.4531 -2.1562 Q1.4531 -2.8438 1.0391 -3.2422 Q0.625 -3.6406 -0.125 -3.6406 Q-0.6562 -3.6406 -1.1328 -3.4609 Q-1.6094 -3.2812 -2.1875 -2.8281 L-2.7031 -3.4844 Q-1.5312 -4.4688 -0.125 -4.4688 Q1.0781 -4.4688 1.7656 -3.8516 Q2.4531 -3.2344 2.4531 -2.1875 Q2.4531 -1.375 1.9922 -0.5781 Q1.5312 0.2188 0.2812 1.4375 L-1.5938 3.2656 L-1.5938 3.3125 L2.8125 3.3125 L2.8125 4.2188 Z"></path></g></g></svg></svg><svg y="0" x="23" width="12" style="fill:black;" height="15" class="cas-substance-saf-image"><svg><g><g transform="translate(6,7)" style="text-rendering:geometricPrecision; font-family:'Open Sans'; color-interpolation:linearRGB; color-rendering:optimizeQuality; image-rendering:optimizeQuality;"><path style="stroke:none;" d="M3.0938 4.1562 L1.9219 4.1562 L-1.1875 0 L-2.0938 0.7969 L-2.0938 4.1562 L-3.0938 4.1562 L-3.0938 -4.4062 L-2.0938 -4.4062 L-2.0938 -0.1562 L1.7969 -4.4062 L2.9688 -4.4062 L-0.4688 -0.6875 L3.0938 4.1562 Z"></path></g></g></svg></svg></svg></svg></svg></div></app-svg-box></div></app-multi-image><h3 _ngcontent-sc115="" class="name">CAS Name</h3><span _ngcontent-sc115="" class="casName">Potassium sulfate</span><h3 _ngcontent-sc115="" class="molecularFormula">Molecular Formula</h3><span _ngcontent-sc115="" id="molform">H<sub>2</sub>O<sub>4</sub>S.2K</span> <button _ngcontent-sc115="" class="view-sfn-button">Discover more in SciFinder</button><div _ngcontent-sc115="" class="page-citation"><h3 _ngcontent-sc115="">Cite this Page</h3><span _ngcontent-sc115="" class="name">Potassium sulfate</span>.   <em _ngcontent-sc115="">CAS Common Chemistry</em>.   CAS, a division of the American Chemical Society, n.d.   <span _ngcontent-sc115="" class="url">http://commonchemistry.cas.org/detail?cas_rn=7778-80-5</span> (retrieved <span _ngcontent-sc115="" class="timestamp">2024-11-27</span>) (CAS RN: <span _ngcontent-sc115="" class="casRn">7778-80-5</span>).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0). </div></div></detail-summary></div><div _ngcontent-sc118="" class="col-lg-8 col-md-7 no-padding"><detail-ancillary _ngcontent-sc118="" _nghost-sc117=""><div _ngcontent-sc117="" class="detail-content-box detail-content-box-right"><h2 _ngcontent-sc117="" class="compoundPropertiesHeader">Compound Properties</h2><ul _ngcontent-sc117="" class="properties"><li _ngcontent-sc117=""><h3 _ngcontent-sc117="" class="property-name">Boiling Point (1)</h3><span _ngcontent-sc117="" class="property-value">1689 °C</span></li><li _ngcontent-sc117=""><h3 _ngcontent-sc117="" class="property-name">Melting Point (1)</h3><span _ngcontent-sc117="" class="property-value">1067 °C</span></li><li _ngcontent-sc117=""><h3 _ngcontent-sc117="" class="property-name">Density (1)</h3><span _ngcontent-sc117="" class="property-value">2.66 g/cm³</span></li></ul><h3 _ngcontent-sc117="">Source(s)</h3><ul _ngcontent-sc117="" class="sources"><li _ngcontent-sc117=""><span _ngcontent-sc117="">(1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)</span></li></ul></div></detail-ancillary><detail-info _ngcontent-sc118="" _nghost-sc116=""><div _ngcontent-sc116="" class="detail-content-box detail-content-box-right"><h2 _ngcontent-sc116="">Other Names and Identifiers</h2><h3 _ngcontent-sc116="" class="inchi">InChI</h3><p _ngcontent-sc116="" class="identifier">InChI=1S/2K.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)</p><h3 _ngcontent-sc116="" class="inchiKey">InChIKey</h3><p _ngcontent-sc116="" class="identifier">InChIKey=RELBRYJDPFWCIM-UHFFFAOYSA-N</p><h3 _ngcontent-sc116="" class="smile">SMILES</h3><p _ngcontent-sc116="" class="identifier">S(=O)(=O)(O)O.[K]</p><h3 _ngcontent-sc116="" class="canonicalSmile">Canonical SMILES</h3><p _ngcontent-sc116="" class="identifier">[K].O=S(=O)(O)O</p><h3 _ngcontent-sc116="" class="synonyms">Other Names for this Substance</h3><div _ngcontent-sc116="" class="detail-synonym-box"><ul _ngcontent-sc116=""><li _ngcontent-sc116="">Sulfuric acid potassium salt (1:2)</li><li _ngcontent-sc116="">Sulfuric acid dipotassium salt</li><li _ngcontent-sc116="">Potassium sulfate (2:1)</li><li _ngcontent-sc116="">Arcanum duplicatum</li><li _ngcontent-sc116="">Potassium sulfate</li></ul></div><div _ngcontent-sc116="" class="synonyms-toggle"><p _ngcontent-sc116=""><a _ngcontent-sc116="">View All</a></p></div><p _ngcontent-sc116=""></p></div></detail-info></div></div><div _ngcontent-sc118="" class="insight-teaser"><app-insight-teaser _ngcontent-sc118="" _nghost-sc107=""><div _ngcontent-sc107="" class="row teaser-header cas-blue">CAS INSIGHTS<sup _ngcontent-sc107="">TM</sup></div><div _ngcontent-sc107="" class="teaser-container"><div _ngcontent-sc107="" class="teaser text-black"><div _ngcontent-sc107="" class="teaser-img"><a _ngcontent-sc107="" target="_blank" class="insight-teaser-link" href="https://www.cas.org/resources/topic/emerging-science?utm_campaign=GLO_GEN_ANY_CIS_AWS&utm_medium=SYN_CAS_ORG&utm_source=CommonChemistry"><img _ngcontent-sc107="" src="https://cdn.prod.website-files.com/650867962272bf8f15c1034b/673fab2932993c772c187705_1920x1080-webinar-replay-revised.jpg" alt="Hourglass and a clock"></a></div><a _ngcontent-sc107="" target="_blank" class="insight-teaser-link" href="https://www.cas.org/resources/topic/emerging-science?utm_campaign=GLO_GEN_ANY_CIS_AWS&utm_medium=SYN_CAS_ORG&utm_source=CommonChemistry"><div _ngcontent-sc107="" class="teaser-title truncate"></div></a><div _ngcontent-sc107="" class="teaser-format"><span _ngcontent-sc107="" class="teaser-date"></span></div><a _ngcontent-sc107="" target="_blank"><div _ngcontent-sc107="" class="teaser-primary"></div></a></div><div _ngcontent-sc107="" class="teaser"><div _ngcontent-sc107="" class="teaser-img"><a _ngcontent-sc107="" target="_blank" class="insight-teaser-link"><img _ngcontent-sc107=""></a></div><a _ngcontent-sc107="" target="_blank" class="insight-teaser-link"><div _ngcontent-sc107="" class="teaser-title truncate"></div></a><div _ngcontent-sc107="" class="teaser-format"><span _ngcontent-sc107="" class="teaser-date"></span></div><a _ngcontent-sc107="" target="_blank"><div _ngcontent-sc107="" class="teaser-primary"></div></a></div><div _ngcontent-sc107="" class="teaser"><div _ngcontent-sc107="" class="teaser-img"><a _ngcontent-sc107="" target="_blank" class="insight-teaser-link"><img _ngcontent-sc107=""></a></div><a _ngcontent-sc107="" target="_blank" class="insight-teaser-link"><div _ngcontent-sc107="" class="teaser-title truncate"></div></a><div _ngcontent-sc107="" class="teaser-format"><span _ngcontent-sc107="" class="teaser-date"></span></div><a _ngcontent-sc107="" target="_blank"><div _ngcontent-sc107="" class="teaser-primary"></div></a></div><div _ngcontent-sc107="" class="teaser"><div _ngcontent-sc107="" class="teaser-img"><a _ngcontent-sc107="" target="_blank" class="insight-teaser-link"><img _ngcontent-sc107=""></a></div><a _ngcontent-sc107="" target="_blank" class="insight-teaser-link"><div _ngcontent-sc107="" class="teaser-title truncate"></div></a><div _ngcontent-sc107="" class="teaser-format"><span _ngcontent-sc107="" class="teaser-date"></span></div><a _ngcontent-sc107="" target="_blank"><div _ngcontent-sc107="" class="teaser-primary"></div></a></div></div></app-insight-teaser></div></div><div _ngcontent-sc118="" class="padding-bottom-40"><app-license _ngcontent-sc118="" _nghost-sc106=""><div _ngcontent-sc106="" class="license-description text-black"> CAS Common Chemistry is provided under the <a _ngcontent-sc106="" href="//creativecommons.org/licenses/by-nc/4.0/" target="_blank">Creative Commons CC BY-NC 4.0 license</a>. By using CAS Common Chemistry, you agree to the terms and conditions of this license. </div></app-license></div></div><ngx-json-ld _ngcontent-sc118=""><script type="application/ld+json">{ "@context": "http://schema.org", "@type": "ChemicalSubstance", "name": "Potassium sulfate", "url": "http://commonchemistry.cas.org/detail?cas_rn=7778-80-5", "hasBioChemEntityPart": { "@type": "MolecularEntity", "name": "Potassium sulfate", "identifier": "InChI=1S/2K.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)", "molecularFormula": "H<sub>2</sub>O<sub>4</sub>S.2K" }, "chemicalComposition": "H<sub>2</sub>O<sub>4</sub>S.2K", "alternateNames": [ "Sulfuric acid potassium salt (1:2)", "Sulfuric acid dipotassium salt", "Potassium sulfate (2:1)", "Arcanum duplicatum", "Potassium sulfate", "Sal polychrestum", "Tartarus vitriolatus", "Dipotassium sulfate", "Potassium sulfate (K<sub>2</sub>(SO<sub>4</sub>))", "Potassium sulphate", "Potassium sulfate (K<sub>2</sub>SO<sub>4</sub>)", "Sulfuric acid, dipotassium salt", "Sulfate of potash" ] }</script></ngx-json-ld></app-detail><app-footer _ngcontent-sc103="" _nghost-sc102=""><div _ngcontent-sc102="" class="footer-container"><div _ngcontent-sc102="" class="centered-container"><div _ngcontent-sc102="" class="site-footer__nav site-footer"><ul _ngcontent-sc102="" class="site-footer__menu site-footer--level-1 site-footer__menu--mega"><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-1 site-footer__item--has-children"><h2 _ngcontent-sc102="" class="heading is-style-h5"><a _ngcontent-sc102="" href="https://www.cas.org/cas-solutions" target="_blank" class="site-footer__link site-footer__link--level-1">Solutions</a></h2><ul _ngcontent-sc102="" class="site-footer__sub-menu site-footer--level-2 site-footer__menu--mega"><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/solutions/cas-scifinder-discovery-platform" target="_blank" class="site-footer__link site-footer__link--level-2">CAS SciFinder Discovery Platform™</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/solutions/stn-ip-protection-suite" target="_blank" class="site-footer__link site-footer__link--level-2">STN IP Protection Suite™</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/solutions/cas-custom-services" target="_blank" class="site-footer__link site-footer__link--level-2">CAS Custom Services</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/solutions/other-solutions" target="_blank" class="site-footer__link site-footer__link--level-2">Other Solutions</a></li></ul></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-1 site-footer__item--has-children"><h2 _ngcontent-sc102="" class="heading is-style-h5"><a _ngcontent-sc102="" href="https://www.cas.org/resources" target="_blank" class="site-footer__link site-footer__link--level-1">Resources</a></h2><ul _ngcontent-sc102="" class="site-footer__sub-menu site-footer--level-2 site-footer__menu--mega"><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/resources/cas-insights" target="_blank" class="site-footer__link site-footer__link--level-2 cas-insights-link">CAS Insights</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/cas-events" target="_blank" class="site-footer__link site-footer__link--level-2">Events</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/cas-webinars" target="_blank" class="site-footer__link site-footer__link--level-2">Webinars</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/resources/white-papers" target="_blank" class="site-footer__link site-footer__link--level-2">White Papers</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/resources/case-studies" target="_blank" class="site-footer__link site-footer__link--level-2">Solution Success Stories</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://commonchemistry.cas.org" rel="noopener" class="site-footer__link site-footer__link--level-2">CAS Common Chemistry</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://cassi.cas.org" target="_blank" rel="noopener" class="site-footer__link site-footer__link--level-2">CAS Source Index (CASSI)</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/resources/chemical-safety-library" target="_blank" class="site-footer__link site-footer__link--level-2">Pistoia Chemical Safety Library</a></li></ul></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-1 site-footer__item--has-children"><h2 _ngcontent-sc102="" class="heading is-style-h5"><a _ngcontent-sc102="" href="https://www.cas.org/cas-data" target="_blank" class="site-footer__link site-footer__link--level-1">CAS Data</a></h2><ul _ngcontent-sc102="" class="site-footer__sub-menu site-footer--level-2 site-footer__menu--mega"><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/cas-data/cas-registry" target="_blank" class="site-footer__link site-footer__link--level-2">CAS REGISTRY®</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/cas-data/cas-reactions" target="_blank" class="site-footer__link site-footer__link--level-2">CAS Reactions</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/cas-data/cas-references" target="_blank" class="site-footer__link site-footer__link--level-2">CAS References</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/cas-data/cas-patents" target="_blank" class="site-footer__link site-footer__link--level-2">CAS Patents</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/cas-data/cas-commercial-sources" target="_blank" class="site-footer__link site-footer__link--level-2">CAS Commercial Sources</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/cas-formulations" target="_blank" class="site-footer__link site-footer__link--level-2">CAS Formulations</a></li></ul></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-1 site-footer__item--has-children"><h2 _ngcontent-sc102="" class="heading is-style-h5"><a _ngcontent-sc102="" href="https://www.cas.org/about-us" target="_blank" class="site-footer__link site-footer__link--level-1">About CAS</a></h2><ul _ngcontent-sc102="" class="site-footer__sub-menu site-footer--level-2 site-footer__menu--mega"><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/about-us" target="_blank" class="site-footer__link site-footer__link--level-2">Our Story</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/about/futureleaders" target="_blank" class="site-footer__link site-footer__link--level-2">CAS Future Leaders</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/cas-innovation-incubator" target="_blank" class="site-footer__link site-footer__link--level-2">CAS Innovation Incubator</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/about/press-releases" target="_blank" class="site-footer__link site-footer__link--level-2">Press Releases</a></li><li _ngcontent-sc102="" class="site-footer__item site-footer__item--level-2"><a _ngcontent-sc102="" href="https://www.cas.org/careers" target="_blank" class="site-footer__link site-footer__link--level-2">Careers</a></li></ul></li></ul><div _ngcontent-sc102="" class="site-footer__info"><h2 _ngcontent-sc102="" class="heading is-style-h5"><a _ngcontent-sc102="" href="https://www.cas.org/contact" target="_blank" class="site-footer__link site-footer__link--level-1">CAS Customer Center</a></h2><p _ngcontent-sc102=""><a _ngcontent-sc102="" href="mailto:help@cas.org" class="site-footer__link">help@cas.org</a></p><p _ngcontent-sc102=""><a _ngcontent-sc102="" href="tel:1-8007534227" class="site-footer__link">800.753.4227 (North America)</a><br _ngcontent-sc102=""><a _ngcontent-sc102="" href="tel:1-6144473731" class="site-footer__link">614.447.3731 (Worldwide)</a></p><p _ngcontent-sc102=""><a _ngcontent-sc102="" href="https://goo.gl/maps/y7K2gChT9TDv61SQ6" target="_blank" rel="noopener" class="site-footer__link">2540 Olentangy River Road</a><br _ngcontent-sc102=""> Columbus, Ohio 43202 U.S.A.</p><div _ngcontent-sc102="" class="footer-section footer-social"><ul _ngcontent-sc102=""><li _ngcontent-sc102=""><a _ngcontent-sc102="" href="https://www.linkedin.com/company/cas" target="_blank" class="linkedin">LinkedIn</a></li><li _ngcontent-sc102=""><a _ngcontent-sc102="" href="https://www.x.com/CASChemistry" target="_blank" class="twitter">Twitter</a></li><li _ngcontent-sc102=""><a _ngcontent-sc102="" href="https://www.facebook.com/CAS" target="_blank" class="facebook">Facebook</a></li><li _ngcontent-sc102=""><a _ngcontent-sc102="" href="https://www.youtube.com/user/ChemAbstractsService/featured" target="_blank" class="youtube">YouTube</a></li></ul></div></div></div></div><div _ngcontent-sc102="" class="footer-sub-container"><div _ngcontent-sc102="" class="centered-container"><div _ngcontent-sc102="" class="footer-content"><div _ngcontent-sc102="" class="footer-section footer-menu"><ul _ngcontent-sc102=""><li _ngcontent-sc102=""><a _ngcontent-sc102="" href="https://www.cas.org/legal" target="_blank">Legal</a></li><li _ngcontent-sc102=""><a _ngcontent-sc102="" href="https://www.cas.org/legal/privacy" target="_blank">Privacy</a></li><li _ngcontent-sc102=""><a _ngcontent-sc102="" href="https://solutions.cas.org/Manage-Preferences" target="_blank">Email Preferences</a></li><li _ngcontent-sc102=""><a _ngcontent-sc102="" href="https://www.cas.org/sitemap.xml" target="_blank">Site Map</a></li><li _ngcontent-sc102=""><a _ngcontent-sc102="" href="https://www.acs.org/content/acs/en/accessibility-statement.html" target="_blank">Accessibility</a></li></ul></div><div _ngcontent-sc102="" class="footer-section footer-copyright"><div _ngcontent-sc102=""><p _ngcontent-sc102="">Copyright © 2024 American Chemical Society </p></div></div></div></div></div></div></app-footer></app-root> <script src="runtime.53c1f01245e901e16bdd.js" defer=""></script><script src="polyfills.2f6c128357f3808abfad.js" defer=""></script><script src="scripts.4af5b7efc59de1b05a01.js" defer=""></script><script src="main.4e0815edcfd52ed4b900.js" defer=""></script> <script type="text/javascript" src="/_Incapsula_Resource?SWJIYLWA=719d34d31c8e3a6e6fffd425f7e032f3&ns=1&cb=696711550" async></script></body></html>