Reactivity | CAMEO Chemicals

<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <title> Reactivity | CAMEO Chemicals | NOAA</title> <meta name="author" content="NOAA Office of Response and Restoration, US GOV" /> <meta name="viewport" content="width = device-width, minimum-scale = 1" /> <link rel="stylesheet" href="/static/css/cameo.css" type="text/css" media="all" /> <link rel="apple-touch-icon" href="/static/images/webclips/appletouch_180px.png" />  <script async type="text/javascript" src="https://dap.digitalgov.gov/Universal-Federated-Analytics-Min.js?agency=NOAA" id="_fed_an_ua_tag"></script> <script src="/static/js/cchem.js"></script> <script> function setPairwiseDivColor(targetID) { // first set all divs to default color // getElementsByName() doesn't appear to work for IE6, IE7, or IE8 //var pairDivs = document.getElementsByName("pairReactions"); var allDivs = document.getElementsByTagName("div"); var elem; //for (var i = 0;i < pairDivs.length;i++) { for (var i = 0; i < allDivs.length; i++) { //elem = pairDivs[i]; elem = allDivs[i]; if (elem.getAttribute("name") == "pairReactions") { elem.className = "pairwise_hazards"; } } // now set selected cell's div to hilite color document.getElementById(targetID).className = "pairwise_hazards_selected"; } function goToPairPredictions(evt) { var target = getTarget(evt); var id = target.id; if (id.substring(0, 5) === "cell_") { var pairId = "Pair_" + id.substring(5); setPairwiseDivColor(pairId); location.hash = pairId; } } function bodyinit() { var compatTable = document.getElementById("compat_chart"); if (compatTable) { var tableCells = compatTable.getElementsByTagName("TD"); var elem; for (var i = 0;i < tableCells.length;i++) { elem = tableCells[i]; if (elem.className === "compatChartCell") { elem.onclick = goToPairPredictions; } } } } window.onload = bodyinit; </script> </head>   <script> window.dataLayer = window.dataLayer || []; function gtag() { dataLayer.push(arguments); } gtag('js', new Date()); gtag('config', 'G-5PYBYD8S0P'); </script>  <body>  <table class="banner" cellpadding="0" cellspacing="0" width="100%"> <tr><td> <img src="/static/images/banner.jpg" width="750" height="60" alt="CAMEO Chemicals" /> </td></tr> </table>  <div id="sidebar"> <a href="/">Home</a> <br /> <br /> <a href="/help/home.htm" target="_blank">Help</a> <br /> <br /> <img class="noborder" src="/static/images/navbar.gif" alt="" /> <h1>Search Chemicals</h1> <a href="/search/simple">New Search</a><br /> <br /><img class="noborder" src="/static/images/navbar.gif" alt="" /> <h1>MyChemicals</h1> <div style="margin-bottom: 1ex"> chemicals: 0 </div> <a href="/my">View MyChemicals</a><br /><br /> <a href="/reactivity">Predict Reactivity</a><br /> <br /><img class="noborder" src="/static/images/navbar.gif" alt="" /><br /><br /> <a href="https://m.cameochemicals.noaa.gov/reactivity">Mobile Site</a><br /><br /> <br />  <div style="margin-bottom: 5px"><a href="https://apps.apple.com/app/apple-store/id1151912682" target="_blank"><img src="/static/images/app_store_badge.svg" width="130" height="38" alt="Click on this to go to the CAMEO Chemicals page in the App Store." style="height: auto; width: 100%" /></a></div>  <div><a href="https://play.google.com/store/apps/details?id=gov.noaa.cameochemical&referrer=utm_source%3Dcameo_chemicals_website%26utm_medium%3Dbadge%26anid%3Dadmob" target="_blank"><img src="/static/images/google_play_badge.svg" width="130" height="38" alt="Click on this to go to the CAMEO Chemicals page on Google Play." /></a></div> </div>   <div class="mainbody"> <h1>Chemical Reactivity</h1>  <input id="num_chems" type="hidden" value=0 /> <p> <div class="show_hide_triangle"> <a href='javascript:dropDownText("react_help","react_help_marker","/static/images/dropdown_opened.gif","/static/images/dropdown_closed.gif")' style="vertical-align:middle">What is chemical reactivity and how is it predicted? </a> <a href='javascript:dropDownText("react_help","react_help_marker","/static/images/dropdown_opened.gif","/static/images/dropdown_closed.gif")'> <img id="react_help_marker" class="dropdown" src="/static/images/dropdown_closed.gif" alt="" /> </a> </div> <div class="helptext" id="react_help"> <p> <strong><em>Chemical reactivity</em></strong> is the tendency of substances to undergo chemical change. Some chemical changes are harmless, but others can lead to hazardous conditions. For example, two chemicals might react together and produce a toxic gas or cause an explosion. </p> <p> When two or more substances have been added to the MyChemicals collection, you can see predictions about how they might react if they were mixed together. Each chemical in the database has been assigned to one or more <a href="/help/reactivity/reactive_groups.htm" target="_blank">reactive groups</a> based on its chemistry, and the predictions are based on the <a href="/help/reactivity/how_reactivity_is_predicted.htm" target="_blank">pair-wise reactions</a> that might occur between reactive groups. Note that when there are three or more substances in the mix, they may react together in ways that CAMEO Chemicals' pair-wise reactions can't predict. </p> </div> </p> <h2 class="reactivity" id="backtochart">Compatibility Chart</h2> <table class="materials-list" cellspacing="0" cellpadding="8" summary="for page layout only"> <tr> <td align="left"> <em> Add two or more substances to MyChemicals, then return here to see the compatibility chart with reactivity predictions. </em> </td> </tr> </table> <p> To add a substance to the MyChemicals collection, start with a <a href="/search/simple">search</a>. Once you've found a substance of interest, click Add to MyChemicals. </p>   <div class="footer"> <div class="sitelinks"> <a href="/about">About</a> | <a href="/privacy">Privacy Policy</a> | <a href="/help/intro/contact_us.htm" target="_blank">Contact Us</a> | <a href="https://touchpoints.app.cloud.gov/touchpoints/9513f1f8/submit" target="_blank">Website Satisfaction Survey</a><img src="/static/images/external_link.svg" alt="external_link" class="external-link" /> | <a href="https://m.cameochemicals.noaa.gov/">Mobile Site</a> </div> <div class="meatball-container"> <img class="meatball" src="/static/images/noaa-logo-rgb-2022.svg" alt="NOAA logo." width="80" height="80" /> <div class="meatball-text"> <p>Web site owner: <a href="https://response.restoration.noaa.gov/" target="_blank">Office of Response and Restoration</a><img src="/static/images/external_link.svg" alt="external_link" class="external-link" />, <a href="https://oceanservice.noaa.gov/" target="_blank">National Ocean Service</a><img src="/static/images/external_link.svg" alt="external_link" class="external-link" />, <a href="http://www.noaa.gov/" target="_blank">National Oceanic and Atmospheric Administration</a><img src="/static/images/external_link.svg" alt="external_link" class="external-link" />. <a href="https://www.usa.gov/" target="_blank">USA.gov</a><img src="/static/images/external_link.svg" alt="external_link" class="external-link" />. </p> <p>CAMEO Chemicals version 3.1.0 rev 1.</p> </div> </div> </div>  </div>  </body> </html>

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Reactivity | CAMEO Chemicals | NOAA