<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<!-- saved from url=(0042)http://www.cdc.gov/niosh/npg/npgd0621.html -->
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"><!-- InstanceBegin template="/Templates/ContentPage_Standard.dwt" codeOutsideHTMLIsLocked="false" --><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<!-- InstanceParam name="id" type="text" value="undefined" --><!-- InstanceParam name="class" type="text" value="secondTier" --><!-- InstanceParam name="content" type="boolean" value="true" --><!-- InstanceParam name="optionSpanish" type="boolean" value="false" --><!-- InstanceParam name="OptionalLocalSearch" type="boolean" value="true" --><!-- InstanceParam name="OptionalLocalA-Z" type="boolean" value="true" --><!-- InstanceParam name="optionalExtra" type="boolean" value="false" -->

<!-- InstanceBeginEditable name="meta-data" -->
<meta name="Keywords" content="">
<meta name="DC.Subject" content="">
<meta name="DC.Language" scheme="ISO 639-2" content="eng">
<!-- InstanceEndEditable -->
<meta name="template.version" content="2.3.0">
<!-- @package: TemplatePackage 'B' @version: "2.3.0" -->
<!-- InstanceBeginEditable name="title-tag" -->
<title>CDC - NIOSH Pocket Guide to Chemical Hazards -
Toluene-2,4-diisocyanate
</title>
<!-- InstanceEndEditable -->
<style type="text/css" media="tv">
empty{color:#000};@import "http://www.cdc.gov/TemplatePackage/css/B/wysiwyg/wysiBaseHome.css"/**/;
</style>
<style type="text/css" media="screen, projection">
@import "/TemplatePackage/css/B/base-float.css"/**/;
</style>
<script type="text/javascript" async="" charset="utf-8" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/uz_til.js"></script><script type="text/javascript" async="" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/ga.js"></script><script type="text/javascript" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/jquery.js"></script>
<script type="text/javascript" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/jquery.watermark.js"></script>
<script type="text/javascript" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/common.js"></script>
<script type="text/javascript" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/startup.js"></script>
<script type="text/javascript" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/blocks-ie.js"></script>
<script type="text/javascript" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/video.js"></script>
<script type="text/javascript" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/navScripts.js"></script>
<script type="text/javascript" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/share.js"></script>
<script type="text/javascript" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/govdelivery.js"></script>
<script type="text/javascript" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/external.js"></script>
<script type="text/javascript" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/plugins.js"></script>
<script type="text/javascript" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/syndicateThisPage.js"></script>
<script type="text/javascript" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/css-include.js"></script><style type="text/css" media="screen, projection">@import "/TemplatePackage/css/B/noScript.css";</style>
<script type="text/javascript" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/socialMedia.js"></script>

<!-- compliance patch for microsoft browsers -->
<!--[if IE 6]>
<script type="text/javascript" src="/TemplatePackage/js/B/pngfix.js"></script>
<script type="text/javascript" src="/TemplatePackage/js/B/blocks-ie6.js"></script>
<![endif]-->

<!--[if IE 7]>
<link rel="stylesheet" type="text/css" href="/TemplatePackage/css/B/ie7_fixes.css" />
<![endif]-->

<!--[if IE 8]>
<link rel="stylesheet" type="text/css" href="/TemplatePackage/css/B/ie8_fixes.css" />
<![endif]-->

<!--[if lte IE 8]>
<script type="text/javascript" src="/TemplatePackage/js/B/jquery.curvycorners.js"></script>
<![endif]-->
<style type="text/css" media="print">@import "/TemplatePackage/css/B/print.css";</style>

<link rel="shortcut icon" href="http://www.cdc.gov/TemplatePackage/images/home/favicon.ico">
<link rel="home" href="http://www.cdc.gov/" title="Home">

<!-- Begin Survey scripts -->
<script type="text/javascript" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/foresee-trigger.js"></script>
<script type="text/javascript" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/foresee-variables.js"></script>
<!-- End Survey scripts -->


<!-- Local Topic Styles -->
<!-- InstanceBeginEditable name="local-css" -->
<style type="text/css" media="all">
@import "/niosh/local/B/css/local.css"/**/;
.style1 {
	font-weight: bold
}
</style>
<!--[if IE]>
<script defer language="javascript" type="text/javascript">
		var cdcLeftNav = new CDC.LeftNav("nav-primary", "/niosh/npg/npgsyn.html", false, false, false);
		cdcLeftNav.render();
</script>
<![endif]-->
<!--[if ! IE]><!-->
<script language="javascript" type="text/javascript">
$().ready(function(){
		var cdcLeftNav = new CDC.LeftNav("nav-primary", "/niosh/npg/npgsyn.html", false, false, false);
		cdcLeftNav.render();
});
</script>
<!--<![endif]-->
<!-- InstanceEndEditable -->
<script type="text/javascript" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/foresee-surveydef.js"></script></head>

<body id="undefined" class="secondTier localSearch">

<div id="skipmenu">
	<a href="http://www.cdc.gov/niosh/npg/npgd0621.html#searchBoxLocal" class="skippy" title="Skip to search">Skip directly to local search</a>
	<a href="http://www.cdc.gov/niosh/npg/npgd0621.html#az" class="skippy" title="Skip to A to Z list">Skip directly to A to Z list</a>
	<a href="http://www.cdc.gov/niosh/npg/npgd0621.html#nav" class="skippy" title="Skip to navigation">Skip directly to navigation</a>
	<a href="http://www.cdc.gov/niosh/npg/npgd0621.html#content-main" class="skippy" title="Skip to content">Skip directly to site content</a>
	<a href="http://www.cdc.gov/niosh/npg/npgd0621.html#content-secondary" class="skippy" title="Skip to page options">Skip directly to page options</a>
</div>
<div id="wrapper">
	<div class="top"></div>
	<div id="wrapper-inner">
		<div id="branding">
			<span id="homeward"><a href="http://www.cdc.gov/" title="Return to the CDC Home Page">CDC Home</a></span>
<div id="branding-logo">
	<div id="branding-logoImage"><img src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/cdcHeaderLogo.gif" width="470" height="47" alt="CDC 24/7: Saving Lives. Protecting People.™" border="0" style=""><a href="http://www.cdc.gov/" title="CDC 24/7: Saving Lives. Protecting People.™"><span>CDC 24/7: Saving Lives. Protecting People.™</span></a></div>
	<div id="searchForm" class="searchResize" style="width: 300px; display: none;"><a name="search"></a>
		<form id="searchCDC" method="get" action="http://www.cdc.gov/search.do">
			<fieldset>
				<div id="cdc-Query">
					<label for="searchBox" class="overlabel search">Search The CDC</label>
					<input id="searchBox" class="searchBox" name="queryText" maxlength="256" type="text" style="width: 230px;">
				</div>
				<div id="cdc-Submit">
					<!-- label for="searchButton" class="searchButton">Search Button</label -->
					<input id="searchButton" class="searchButton" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/search_button.gif" name="searchButton" alt="Search" type="image">
					<input name="action" value="search" type="hidden">
				</div>
			</fieldset>
		</form>
	</div>
</div>
<noscript>
<div class="noscript"> Note: Javascript is disabled or is not supported by your browser. For this reason, some items on this page will be unavailable. For more information about this message, please visit this page: <a href="/Other/about_cdcgov.html" title="Browser requirements for CDC.gov">About CDC.gov</a>.</div>
</noscript>
<!--<div id="emergency-alert">
<h1></h1> 
<p></p>
<a href="#"></a>
</div>-->
			<div id="topic-title"><!-- InstanceBeginEditable name="topic-title" -->
        <h2><span class="logo2"><a href="http://www.cdc.gov/niosh/"><img src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/nioshlogo1.gif" alt="niosh logo" border="0" width="120" height="29"></a><br>
          <a href="http://www.cdc.gov/niosh/">NIOSH Home</a></span><span class="titleshift"><a href="http://www.cdc.gov/niosh/npg/">NIOSH Pocket Guide to Chemical Hazards</a></span></h2>
        <!-- InstanceEndEditable -->			</div>
		</div>
		
		<div id="content">
			<div id="content-inner">
				<!-- ########## LEFT NAVIGATION STARTS HERE ########## -->
				<div id="nav-container"><!-- InstanceBeginEditable name="left-nav-include" -->
          <div id="nav">
  <h3><a href="http://www.cdc.gov/niosh/npg/default.html" class="noLinking noDecoration">NIOSH Pocket Guide to Chemical Hazards</a></h3>
  <ul id="nav-primary">
    <li><a href="http://www.cdc.gov/niosh/npg/pgintrod.html" class="noLinking noDecoration">Introduction</a></li>
    <li><a href="http://www.cdc.gov/niosh/npg/search.html" class="noLinking noDecoration">Search the Pocket Guide</a> </li>
    <li><a href="http://www.cdc.gov/niosh/npg/npgsyn-a.html#a" class="noLinking noDecoration">Chemical Names, Synonyms and Trade Names</a>
    	<ul class="ulHide">
	        <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/npgsyn-a.html" class="noLinking noDecoration">A</a></li>
            <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/npgsyn-b.html" class="noLinking noDecoration">B</a></li>
            <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/npgsyn-c.html" class="noLinking noDecoration">C</a></li>
            <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/npgsyn-d.html" class="noLinking noDecoration">D</a></li>
            <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/npgsyn-e.html" class="noLinking noDecoration">E</a></li>
            <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/npgsyn-f.html" class="noLinking noDecoration">F</a></li>
            <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/npgsyn-g.html" class="noLinking noDecoration">G</a></li>
            <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/npgsyn-h.html" class="noLinking noDecoration">H</a></li>
            <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/npgsyn-i.html" class="noLinking noDecoration">I</a></li>
            <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/npgsyn-j.html" class="noLinking noDecoration">J</a></li>
            <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/npgsyn-k.html" class="noLinking noDecoration">K</a></li>
            <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/npgsyn-l.html" class="noLinking noDecoration">L</a></li>
            <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/npgsyn-m.html" class="noLinking noDecoration">M</a></li>
            <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/npgsyn-n.html" class="noLinking noDecoration">N</a></li>
            <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/npgsyn-o.html" class="noLinking noDecoration">O</a></li>
            <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/npgsyn-p.html" class="noLinking noDecoration">P</a></li>
            <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/npgsyn-q.html" class="noLinking noDecoration">Q</a></li>
            <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/npgsyn-r.html" class="noLinking noDecoration">R</a></li>
            <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/npgsyn-s.html" class="noLinking noDecoration">S</a></li>
            <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/npgsyn-t.html" class="noLinking noDecoration">T</a></li>
            <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/npgsyn-u.html" class="noLinking noDecoration">U</a></li>
            <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/npgsyn-v.html" class="noLinking noDecoration">V</a></li>
            <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/npgsyn-w.html" class="noLinking noDecoration">W</a></li>
            <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/npgsyn-x.html" class="noLinking noDecoration">X</a></li>
            <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/npgsyn-y.html" class="noLinking noDecoration">Y</a></li>
            <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/npgsyn-z.html" class="noLinking noDecoration">Z</a></li>
        </ul>
    </li>
    
    <li><a href="http://www.cdc.gov/niosh/npg/npgdcas.html" class="noLinking noDecoration">CAS Numbers</a></li>
    <li><a href="http://www.cdc.gov/niosh/npg/npgdrtec.html" class="noLinking noDecoration">RTECS Numbers</a></li>
    <li><a href="http://www.cdc.gov/niosh/npg/nengapdx.html" class="noLinking noDecoration">Appendices</a>
      <ul class="ulHide">
        <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/nengapdxa.html" class="noLinking noDecoration">A - NIOSH Potential Occupational Carcinogens</a></li>
        <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/nengapdxb.html" class="noLinking noDecoration">B - Thirteen OSHA-Regulated Carcinogens</a></li>
        <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/nengapdxc.html" class="noLinking noDecoration">C - Supplementary Exposure Limits</a></li>
        <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/nengapdxd.html" class="noLinking noDecoration">D - Substances with No Established RELs</a></li>
        <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/nengapdxe.html" class="noLinking noDecoration">E - OSHA Respirator Requirements for Selected Chemicals</a></li>
        <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/nengapdxf.html" class="noLinking noDecoration">F - Miscellaneous Notes</a></li>
        <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/nengapdxg.html" class="noLinking noDecoration">G - 1989 Air Contaminants Update Project: Exposure Limits NOT in Effect</a> </li>
        <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/nengapdxcce.html" class="noLinking noDecoration">Type C & CE - Definitions for Type C and Type CE Respirators</a> </li>
        <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/protect.html" class="noLinking noDecoration">Personal Protection and Sanitation Codes</a></li>
        <li class="ulHide"><a href="http://www.cdc.gov/niosh/npg/firstaid.html" class="noLinking noDecoration">First Aid Procedures</a></li>
      </ul>
    </li>
  </ul>
</div>
<div class="bottom"></div>

          <div class="related">
  <div class="inner">
    <h4><a href="http://www.cdc.gov/niosh/">NIOSH Homepage</a></h4>
    <ul>
      <li><a href="http://www.cdc.gov/niosh/az/a.html">NIOSH A-Z</a></li>
      <li><a href="http://www.cdc.gov/niosh/topics/">Workplace Safety & Health Topics</a></li>
      <li><a href="http://www.cdc.gov/niosh/pubs/">Publications and Products</a></li>
      <li class="last"><a href="http://www.cdc.gov/niosh/programs.html">Programs</a></li>
    </ul>
  </div>
  <div class="bot"></div>
</div>
          <!-- InstanceEndEditable -->				</div>
				
				<!-- ########## BREADCRUMBS START HERE ########## -->
				<!-- InstanceBeginEditable name="breadcrumbs" -->
        <div id="breadBox" style="height: auto; margin-bottom: 10px;">
  <ul id="breadcrumbs">
  <li class="firstChild"><a href="http://www.cdc.gov/niosh/">NIOSH</a></li>
  </ul>
</div><div id="socialMediaContainer" style="position: relative; top: 0px; left: 0px; margin-bottom: 10px;">    <div id="socialMedia" style="display: block;">        <div id="facebookBlock">            <a href="https://www.facebook.com/sharer.php?u=http%3A%2F%2Fwww.cdc.gov%2Fniosh%2Fnpg%2Fnpgd0621.html&t=CDC%20-%20NIOSH%20Pocket%20Guide%20to%20Chemical%20Hazards%20-%20Toluene-2%2C4-diisocyanate" class="skip facebookRecommend external" onclick="CDC.SocialMedia.openSocialMediaWindow('facebook', null, this); return false;" target="_blank">Facebook Reccomend</a>            <div id="facebookCountWrapper" class="countWrapper" style="display: inline;"><div class="counterNub"><s></s><i></i></div><div id="fbCount">2</div></div>        </div>        <div id="twitterBlock">            <a href="https://twitter.com/intent/tweet?text=CDC%20-%20NIOSH%20Pocket%20Guide%20to%20Chemical%20Hazards%20-%20Toluene-2%2C4-diisocyanate%20-%20@CDCgov&url=http%3A%2F%2Fwww.cdc.gov%2Fniosh%2Fnpg%2Fnpgd0621.html" class="skip twitterTweet external" onclick="CDC.SocialMedia.openSocialMediaWindow('twitter', null, this); return false;" target="_blank">Twitter Tweet</a>            <div id="twitterCountWrapper" class="countWrapper"><div class="counterNub"><s></s><i></i></div><div id="twitterCount">0</div></div>        </div>        <div id="bookmarkShareBlock">            <div class="bookmarkShare" id="bookmarkShare">                <div class="shareButtonEn">Share</div><div class="shareButtonEs">Compartir</div>                <ul>                    <li class="addthisto eng">Add this to...</li>                    <li class="addthisto esp">Añadir en...</li>                    <li class="favorites"><a href="http://www.cdc.gov/niosh/npg/npgd0621.html#" class="skip" onclick="CDC.SocialMedia.openSocialMediaWindow('favorites', null, this); $(this).blur(); return false;">Favorites</a></li>                    <li class="delicious"><a href="http://delicious.com/save?url=http%3A%2F%2Fwww.cdc.gov%2Fniosh%2Fnpg%2Fnpgd0621.html&title=CDC%20-%20NIOSH%20Pocket%20Guide%20to%20Chemical%20Hazards%20-%20Toluene-2%2C4-diisocyanate" class="skip external" onclick="CDC.SocialMedia.openSocialMediaWindow('delicious', null, this); $(this).blur(); return false;" target="_blank">Delicious</a></li>                    <li class="digg"><a href="http://digg.com/submit?url=http%3A%2F%2Fwww.cdc.gov%2Fniosh%2Fnpg%2Fnpgd0621.html&title=CDC%20-%20NIOSH%20Pocket%20Guide%20to%20Chemical%20Hazards%20-%20Toluene-2%2C4-diisocyanate&media=news" class="skip external" onclick="CDC.SocialMedia.openSocialMediaWindow('digg', null, this); $(this).blur(); return false;" target="_blank">Digg</a></li>                    <li class="google"><a href="http://www.google.com/bookmarks/mark?op=add&bkmk=http%3A%2F%2Fwww.cdc.gov%2Fniosh%2Fnpg%2Fnpgd0621.html&title=CDC%20-%20NIOSH%20Pocket%20Guide%20to%20Chemical%20Hazards%20-%20Toluene-2%2C4-diisocyanate" class="skip external" onclick="CDC.SocialMedia.openSocialMediaWindow('google', null, this); $(this).blur(); return false;" target="_blank">Google Bookmarks</a></li><li class="linkedin"><a href="https://www.linkedin.com/uas/connect/user-signin?session_redirect=http%3A%2F%2Fwww.linkedin.com%2Fwcs%2Fshare%3FisFramed%3Dfalse%26lang%3Den_US%26url%3Dhttp%3A%2F%2Fwww.cdc.gov%2Fniosh%2Fnpg%2Fnpgd0621.html%26original_referer%3Dhttp%3A%2F%2Fwww.cdc.gov%2Fniosh%2Fnpg%2Fnpgd0621.html" class="skip external" onclick="CDC.SocialMedia.openSocialMediaWindow('linkedin', null, this); $(this).blur(); return false;" target="_blank">LinkedIn</a></li><li class="pinterest"><a class="external" href="http://www.cdc.gov/niosh/npg/npgd0621.html#" onclick="CDC.SocialMedia.openSocialMediaWindow('pinterest', 'http://pinterest.com/pin/create/button/?url=http://www.cdc.gov/niosh/npg/npgd0621.html', this); $(this).blur(); return false;"><img border="0" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/pin_it_button.png" title="Pin It" alt="Pin It"><span class="label">Pinterest</span></a></li>                </ul>            </div>        </div>    </div></div>
        <!-- InstanceEndEditable -->
				
				<div id="content-main">
					<div class="main-inner">
						<!-- InstanceBeginEditable name="features" --><!-- InstanceEndEditable -->
						<!-- InstanceBeginEditable name="content-main" -->
            <!--'pubno' heading removed 11-18-10 -->
            <div class="module roundem">
              <div class="inner">
                
                <h3>
                  <label for="querytext">Search the Pocket Guide</label>
                </h3>
                <div class="subColumns">
                  <div class="subc">
                    <div id="search">
                      <form action="http://www.cdc.gov/search.do" method="get" name="search_NPG" class="nospace" id="search_NPG">
                        <input type="hidden" name="action" value="search">
                        <input type="hidden" name="subset" value="npguide">
                        <input type="text" name="queryText" id="querytext" maxlength="160" size="60">
                        <input type="image" name="SUBMIT" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/search_button(1).gif" alt="Search button" align="top" width="62" height="21">
                      </form>
                    </div>
                    <p class="enter"> Enter search terms separated by spaces. </p>
                  </div>
                </div>
              </div>
              
            </div>
            <table class="chemtable" width="100%" border="0">
              <tbody><tr class="bor-tb">
                <td colspan="6"><h1>
                    Toluene-2,4-diisocyanate
                  </h1></td>
              </tr>
              <tr class="bgc">
                <td colspan="6"><h6>Synonyms & Trade Names</h6>
                  TDI; 2,4-TDI; 2,4-Toluene diisocyanate
                  
                </td>
              </tr>
              <tr class="bgc">
                <td colspan="2"><h6>CAS No.</h6>
                  584-84-9
                </td>
                <td colspan="2"><h6>RTECS No.</h6>
                  <a href="http://www.cdc.gov/niosh-rtecs/CZ602160.html">CZ6300000</a>
                </td>
                <td colspan="2"><h6>DOT ID & Guide</h6>
                  2078 <span class="cdc-decorated"><a href="http://wwwapps.tc.gc.ca/saf-sec-sur/3/erg-gmu/erg/guidepage.aspx?guide=156" class="external">156</a><a class="external" href="http://www.cdc.gov/Other/disclaimer.html" target="_blank"><img class="externalImg" alt="External Web Site Icon" title="External Web Site Icon" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/icon_out.png"></a></span>
                </td>
              </tr>
              <tr class="bgc">
                <td colspan="2"><h6>Formula</h6>CH<sub>3</sub>C<sub>6</sub>H<sub>3</sub>(NCO)<sub>2</sub>
                </td>
                <td colspan="2"><h6>Conversion</h6>
                  1 ppm = 7.13 mg/m<sup>3</sup>
                </td>
                <td colspan="2"><h6>IDLH</h6>
                  Ca [2.5 ppm]<br>See: <a href="http://www.cdc.gov/niosh/idlh/584849.html">584849</a>
                </td>
              </tr>
              <tr class="bor-tb">
                <td colspan="4"><h5>Exposure Limits</h5>
                  <h6>NIOSH REL</h6>: Ca <a href="http://www.cdc.gov/niosh/npg/nengapdxa.html">See Appendix A</a>
                  <br>
                  <h6>OSHA PEL</h6><a href="http://www.cdc.gov/niosh/npg/nengapdxg.html">†</a>: C 0.02 ppm (0.14 mg/m<sup>3</sup>)
                </td>
                <td colspan="2"><h6>Measurement Methods</h6>
                  <br>
                  <strong>NIOSH</strong> <a href="http://www.cdc.gov/niosh/docs/2003-154/pdfs/2535.pdf" class="noDecoration"><span class="tp-label">2535</span> <span class="plugIns"><img src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/icon_pdf.gif" alt="Adobe PDF file" title="Adobe PDF file" class="plugin" border="0"></span></a> , <a href="http://www.cdc.gov/niosh/docs/2003-154/pdfs/5521.pdf" class="noDecoration"><span class="tp-label">5521</span> <span class="plugIns"><img src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/icon_pdf.gif" alt="Adobe PDF file" title="Adobe PDF file" class="plugin" border="0"></span></a> , <a href="http://www.cdc.gov/niosh/docs/2003-154/pdfs/5522.pdf" class="noDecoration"><span class="tp-label">5522</span> <span class="plugIns"><img src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/icon_pdf.gif" alt="Adobe PDF file" title="Adobe PDF file" class="plugin" border="0"></span></a> , <a href="http://www.cdc.gov/niosh/docs/2003-154/pdfs/5525.pdf" class="noDecoration"><span class="tp-label">5525</span> <span class="plugIns"><img src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/icon_pdf.gif" alt="Adobe PDF file" title="Adobe PDF file" class="plugin" border="0"></span></a>;<br><strong>OSHA</strong> <span class="cdc-decorated"><a href="http://www.osha.gov/dts/sltc/methods/organic/org018/org018.html" class="external">18</a><a class="external" href="http://www.cdc.gov/Other/disclaimer.html" target="_blank"><img class="externalImg" alt="External Web Site Icon" title="External Web Site Icon" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/icon_out.png"></a></span> , <span class="cdc-decorated"><a href="http://www.osha.gov/dts/sltc/methods/organic/org033/org033.html" class="external">33</a><a class="external" href="http://www.cdc.gov/Other/disclaimer.html" target="_blank"><img class="externalImg" alt="External Web Site Icon" title="External Web Site Icon" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/icon_out.png"></a></span> , <span class="cdc-decorated"><a href="http://www.osha.gov/dts/sltc/methods/organic/org042/org042.html" class="external">42</a><a class="external" href="http://www.cdc.gov/Other/disclaimer.html" target="_blank"><img class="externalImg" alt="External Web Site Icon" title="External Web Site Icon" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/icon_out.png"></a></span> 
                  <br>
                  See: <a href="http://www.cdc.gov/niosh/docs/2003-154/">NMAM</a> or <span class="cdc-decorated"><a href="http://www.osha.gov/dts/sltc/methods/index.html" class="external">OSHA Methods</a><a class="external" href="http://www.cdc.gov/Other/disclaimer.html" target="_blank"><img class="externalImg" alt="External Web Site Icon" title="External Web Site Icon" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/icon_out.png"></a></span> </td>
              </tr>
              <tr class="bgc">
                <td colspan="6"><h6>Physical Description</h6>
                  Colorless to pale-yellow solid or liquid (above 71°F) with a sharp, pungent odor.
                  
                </td>
              </tr>
              <tr class="bgc">
                <td><h6>MW:</h6> 174.2
                </td>
                <td><h6>BP:</h6> 484°F</td>
                <td>MLT: 71°F</td>
                <td><h6>Sol:</h6> Insoluble</td>
                <td>VP(77°F): 0.01 mmHg</td>
                <td><h6>IP:</h6> ?</td>
              </tr>
              <tr class="bgc">
                <td><h6>Sp.Gr:</h6> 1.22</td>
                <td><h6>Fl.P:</h6> 260°F</td>
                <td><h6>UEL:</h6> 9.5%</td>
                <td><h6>LEL:</h6> 0.9%</td>
                <td></td>
                <td></td>
              </tr>
              <tr class="bgc">
                <td colspan="6">Class IIIB Combustible Liquid: Fl.P. at or above 200°F.</td>
              </tr>
              <tr class="bgc">
                <td colspan="6"><h6>Incompatibilities & Reactivities</h6>
                  Strong oxidizers, water, acids, bases & amines (may cause foam & spatter); alcohols
                  [Note: Reacts slowly with water to form carbon dioxide and polyureas.]</td>
              </tr>
              <tr class="bor-t">
                <td colspan="6"><h6>Exposure Routes</h6>
                  inhalation, ingestion, skin and/or eye contact
                </td>
              </tr>
              <tr>
                <td colspan="6"><h6>Symptoms</h6>
                  irritation eyes, skin, nose, throat; choke, paroxysmal cough; chest pain, retrosternal (occurring behind the sternum) soreness; nausea, vomiting, abdominal pain; bronchitis, bronchospasm, pulmonary edema; dyspnea (breathing difficulty), asthma; conjunctivitis, lacrimation (discharge of tears); dermatitis, skin sensitization; [potential occupational carcinogen]
                </td>
              </tr>
              <tr class="bor-b">
                <td colspan="6"><h6>Target Organs</h6>
                  Eyes, skin, respiratory system
                </td>
              </tr>
              <tr class="bor-b"><td colspan="6"><h6>Cancer Site</h6>[in animals: pancreas, liver, mammary gland, circulatory sys & skin tumors]</td></tr>
              <tr class="bgc">
                <td colspan="4"><h6>Personal Protection/Sanitation</h6>
                  (<a href="http://www.cdc.gov/niosh/npg/protect.html">See protection codes</a>) <br>
                  <strong>Skin:</strong> Prevent skin contact
                  <br>
                  <strong>Eyes:</strong> Prevent eye contact
                  <br>
                  <strong>Wash skin:</strong> When contaminated/Daily
                  <br>
                  <strong>Remove:</strong> When wet or contaminated
                  <br>
                  <strong>Change:</strong> Daily
                  <br>
                  <strong>Provide:</strong> Eyewash, Quick drench</td>
                <td colspan="2"><h6>First Aid</h6>
                  (<a href="http://www.cdc.gov/niosh/npg/firstaid.html">See procedures</a>)<br>
                  <strong>Eye:</strong> Irrigate immediately
                  <br>
                  <strong>Skin:</strong> Soap wash immediately
                  <br>
                  <strong>Breathing:</strong> Respiratory support
                  <br>
                  <strong>Swallow:</strong> Medical attention immediately</td>
              </tr>
              <tr class="bgc">
                <td colspan="6"><h6>Respirator Recommendations</h6>
                  <p>
                    </p><p><strong>NIOSH</strong> </p><p><strong>At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration:</strong> <br>(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode<br>(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus </p><p><strong>Escape:</strong> <br>(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister<br>Any appropriate escape-type, self-contained breathing apparatus
                    <br>
                  </p>
                  <p> <a href="http://www.cdc.gov/niosh/npg/pgintrod.html#mustread">Important additional information about respirator selection</a> </p></td>
              </tr>
              <tr class="bor-t">
                <td colspan="6">See also: <a href="http://www.cdc.gov/niosh/npg/pgintrod.html">INTRODUCTION </a>
                    See ICSC CARD: <a href="http://www.cdc.gov/niosh/ipcsneng/neng0339.html">0339</a>
                    See MEDICAL TESTS: <a href="http://www.cdc.gov/niosh/docs/2005-110/nmed0233.html">0233</a>
                </td>
              </tr>
            </tbody></table>
            <!-- InstanceEndEditable -->
						<div id="linkPolicy" class="toggleOn"> </div>
						
					<!-- /end .main-inner --></div>
					
				<!-- /end #content-main--></div>
			<!-- /end #content-inner --></div>
			
			<!-- ########## RIGHT COLUMN STARTS HERE ########## -->
			<div id="content-secondary">
				<div class="pageOptions">
					<div class="pageOptions-inner">
						<!-- If you're seeing this, the text-sizer include is depricated and the server-side-include reference should be removed from all pages -->
						<ul id="services" class="services">
							<li class="email"><a href="http://www.cdc.gov/email.do" onclick="openRequestedPopup(); return false;" title="Email page link" class="noLinking">Email page link</a></li>
<li class="print"><a href="javascript:window.print();" title="Print page." class="noLinking">Print page</a></li>
						</ul>
						<!-- InstanceBeginEditable name="local-options" -->
            <ul class="services top-divide">
              <li class="subscribe"><a href="http://www.cdc.gov/Other/emailupdates/" class="noLinking">Get email updates</a></li>
				<li class="rss"><a href="http://www2c.cdc.gov/podcasts/rss.asp" class="noLinking">Subscribe to RSS</a></li>
				<li class="podcast"><a href="http://www2c.cdc.gov/podcasts/" class="noLinking">Listen to audio/Podcast</a></li>
            </ul>
            <!-- InstanceEndEditable -->
						<!-- InstanceBeginEditable name="languages" --> <!-- InstanceEndEditable --></div>
				
				</div>
				
				
				<!-- InstanceBeginEditable name="gov-delivery" --> <!-- InstanceEndEditable -->
                <!-- InstanceBeginEditable name="order-pubs" -->
        <div class="related">
<div class="inner">
<h4><a href="http://www.cdc.gov/niosh/pubs/order.html">Order NIOSH Publications</a></h4>
<ul>
<!--<li><a href="http://wwwn.cdc.gov/pubs/niosh.aspx">Order Online</a></li>-->
<li><a href="http://www.cdc.gov/niosh/pubs/order.html">Order Online</a></li>
<li><a href="mailto:cdcinfo@cdc.gov">1-800-CDC-INFO</a></li>
<li><span class="cdc-decorated"><a href="http://www.ntis.gov/" class="external">Order from NTIS</a><a class="external" href="http://www.cdc.gov/Other/disclaimer.html" target="_blank"><img class="externalImg" alt="External Web Site Icon" title="External Web Site Icon" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/icon_out.png"></a></span></li>
</ul>
</div>

<div class="bot"></div>
</div>


        <!-- InstanceEndEditable -->
				<!-- InstanceBeginEditable name="contact-info" -->
        <div id="contact-info">
            	<h5>Contact Us:</h5>
                <ul class="noBullet">    
                    <li>
                    <a href="http://www.cdc.gov/niosh/contact/" class="noLinking noDecoration">National Institute for Occupational Safety and Health (NIOSH)</a></li>
                  <li>Centers for Disease Control and Prevention<br>
                  </li>
		<li class="phone">800-CDC-INFO<br>
		(800-232-4636)<br>
		TTY: (888) 232-6348</li>
		<li class="contact-hours">New Hours of Operation<br>
		8am-8pm ET/Monday-Friday<br>
		Closed Holidays</li>
		<li class="contact-email"><a href="http://www.cdc.gov/cdc-info/requestform.html" class="noLinking noDecoration">Contact CDC-INFO</a></li>

                </ul>
            </div>
        <!-- InstanceEndEditable -->
				
			<!-- /end #content-secondary --></div>
			
		<!-- /end #content --></div>
		
		<div class="preFoot">
			<div id="plugin-legend" class="pluginOn">
			<h3>File Formats Help:</h3>
			<ul>
				<li class="plugin-pdf pluginOn"><a href="http://www.cdc.gov/Other/plugins/#pdf"><img src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/icon_pdf.gif" alt="Adobe PDF file"></a></li>
				<li class="plugin-word"><a href="http://www.cdc.gov/Other/plugins/#doc"><img src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/icon_word.gif" alt="Microsoft Word file"></a></li>
				<li class="plugin-excel"><a href="http://www.cdc.gov/Other/plugins/#xls"><img src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/icon_excel.gif" alt="Microsoft Excel file"></a></li>
				<li class="plugin-ppt"><a href="http://www.cdc.gov/Other/plugins/#ppt"><img src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/icon_ppt.gif" alt="Microsoft PowerPoint file"></a></li>
				<li class="plugin-wmv"><a href="http://www.cdc.gov/Other/plugins/#wmv"><img src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/icon_wmv.gif" alt="Audio/Video file"></a></li>
				<li class="plugin-zip"><a href="http://www.cdc.gov/Other/plugins/#zip"><img src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/icon_zip.gif" alt="Zip Archive file"></a></li>
				<li class="plugin-real"><a href="http://www.cdc.gov/Other/plugins/#ram"><img src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/icon_real.gif" alt="RealPlayer file"></a></li>
				<li class="plugin-qt"><a href="http://www.cdc.gov/Other/plugins/#qt"><img src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/icon_qt.gif" alt="Apple Quicktime file"></a></li>
			</ul>
			<p><a href="http://www.cdc.gov/Other/plugins/"><span class="tp-label">How do I view different file formats (PDF, DOC, PPT, MPEG) on this site?</span> <img src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/btn_dblArrows.gif" alt="double arrows."></a></p>
		</div>
			<div class="pageOptions-horizontal">
				<ul class="services">
					<li class="email"><a href="http://www.cdc.gov/email.do" onclick="openRequestedPopup(); return false;">Email</a></li>
<li class="print"><a href="javascript:window.print();">Print</a></li>

					<!-- InstanceBeginEditable name="local-options-horizontal" --> <!-- InstanceEndEditable -->
				</ul>
			</div>
			<div id="datestamp" style="margin-right: 0px;"><!-- InstanceBeginEditable name="date-stamp" -->
        <ul>
          <li class="last-reviewed">Page last reviewed: <span>April 4, 2011</span></li>
          <li class="last-updated">Page last updated: <span>November 18, 2010</span></li>
          <li class="content-source">Content source: <a href="http://www.cdc.gov/niosh/">National Institute for Occupational Safety and Health (NIOSH)</a> Education and Information Division</li>
        </ul>
        <!-- InstanceEndEditable --></div>
					</div>
		
		<div id="siteinfo">
	<div id="siteinfo-nav">
		<ul class="menu">
			<li><a href="http://www.cdc.gov/">Home</a></li>
			<li><a href="http://www.cdc.gov/az/a.html">A-Z Index</a></li>
			<li><a href="http://www.cdc.gov/Other/site_map.html">Site Map</a></li>
			<li><a href="http://www.cdc.gov/Other/policies.html">Policies</a></li>
			<li><a href="http://www.cdc.gov/Other/about_cdcgov.html">Using this Site</a></li>
			<li><a href="http://www.cdc.gov/Other/link.html">Link to Us</a></li>
			<li><a href="http://www.cdc.gov/Other/languages/">All Languages</a></li>
			<li><a href="http://www.cdc.gov/?mobile=true">CDC Mobile</a></li>
			<li class="last-child"><a href="http://www.cdc.gov/contact/">Contact CDC</a></li>
		</ul>
	</div>
	<div id="siteinfo-credits">
		<div id="siteinfo-logos"><a href="http://www.usa.gov/"><img id="logo_usagov" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/logo_usagov.gif" alt="USA.gov: The U.S. Government's Official Web Portal" width="188" height="55" border="0"></a><a href="http://www.hhs.gov/"><img id="logo_dhhs" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/logo_dhhs.gif" alt="Department of Health and Human Services" width="61" height="55" border="0"></a></div>
		<address>Centers for Disease Control and Prevention   1600 Clifton Rd. Atlanta, GA 30333, USA<br>
		800-CDC-INFO (800-232-4636)	TTY: (888) 232-6348 - <a href="http://www.cdc.gov/cdc-info/requestform.html">Contact CDC–INFO</a></address>
	</div>
</div>

		
				<script type="text/javascript">
			<!--//
			$().ready(function(){
				$("#searchBoxLocal").watermark({html:"Choose a topic above"});
				$("form#searchCDCLocal").append($("<input />").attr("id", "input508").attr("type", "hidden"));
				$("form#searchCDCLocal span label").attr("for", "input508");
			});
			//-->
		</script>
		<div id="searchFormLocal" class="searchResize" style="width: 300px;">
			<form id="searchCDCLocal" method="get" action="http://www.cdc.gov/search.do">
				<fieldset>
					<div class="searchRadio">
						<div id="cdc-local-radial">
		<!-- InstanceBeginEditable name="EditLocalSearch" -->
    <input id="searchCDCLocal2" type="radio" name="subset" checked="checked" value="NIOSH">
				<label for="searchCDCLocal2">NIOSH</label>
    <!-- InstanceEndEditable -->
								</div>
						<div id="cdc-global-radial">
							<input id="searchCDCGlobal" type="radio" name="subset" value="">
							<label for="searchCDCGlobal">All CDC Topics</label>
						</div>
					</div>
					<div id="cdc-Query">
						<label for="searchBoxLocal" class="overlabel structural">Search The CDC</label>
						<span wmwrap="true" tabindex="-1" hasfocus="false" style="position: relative; display: inline; width: auto; float: left; clear: none; margin: 0; padding: 0;"><span class="wm-label" style="position: absolute; left: 3px; display: inline; cursor: text; top: 2px; padding: 1px 0px 0px; color: rgb(204, 204, 204);">Choose a topic above</span><input id="searchBoxLocal" class="searchBox" name="queryText" maxlength="256" type="text" style="width: 230px;"></span>
					</div>
					<div id="cdc-Submit">
						<!-- label for="searchButtonLocal" class="structural">Search Button:</label -->
						<input id="searchButtonLocal" class="searchButton" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/search_button.gif" name="searchButton" alt="Search" type="image">
						<input name="action" value="search" type="hidden">
					</div>
				</fieldset>
			<input id="input508" type="hidden"></form>
		</div>
		
		<div id="AZlist-container"><a name="az"></a>
	<span><a href="http://www.cdc.gov/az/">A-Z Index for All CDC Topics</a></span>
</div>

	<!-- /end #wrapper-inner --></div>

<!-- /end #wrapper --></div>

<!-- xxxxxxxxxxxxxxxxxx METRICS code begins here xxxxxxxxxxxxxxxxxxxxxxxxxxx-->
<div id="metrics">

<!-- Begin Google Analytics Class Definition Code -->
<script type="text/javascript" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/google-cdc-a.js"></script>
<!-- End Google Analytics Class Definition Code -->

<!-- SiteCatalyst code version: H.21. -->
<script language="JavaScript" type="text/javascript" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/topic_levels.js"></script>
<script language="JavaScript" type="text/javascript" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/s_code_v21_cdcgov.js"></script>
<script language="JavaScript" type="text/javascript">

<!-- InstanceBeginEditable name="metrics" -->
s.pageName=document.title;
s.channel="NIOSH";

siteCatalyst.setLevel1("NIOSH"); 
siteCatalyst.setLevel2("NIOSH NPG"); 
<!-- InstanceEndEditable -->
s.prop2=window.location.href;
s.prop26=document.title;
s.prop30=document.title;
s.prop31=window.location.href;
s.prop46=window.location.href;
s.server=window.location.hostname;

// Update the level variables here.
updateVariables(s);

/************* DO NOT ALTER ANYTHING BELOW THIS LINE ! **************/
var s_code=s.t();if(s_code)document.write(s_code);//--></script>
<script language="JavaScript" type="text/javascript"><!--
if(navigator.appVersion.indexOf('MSIE')>=0)document.write(unescape('%3C')+'\!-'+'-');
//--></script><noscript><a href="http://www.omniture.com" title="Web Analytics"><img
src="http://mtrics.cdc.gov/b/ss/cdcgov/1/H.21--NS/0"
height="1" width="1" border="0" alt="Web Analytics" /></a></noscript><!--/DO NOT REMOVE/-->
<!-- End SiteCatalyst code version: H.21. -->
<!-- Begin Google Analytics Execution Code -->
<script type="text/javascript" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/google-cdc-c.js"></script>
<!-- End Google Analytics Execution Code -->
</div>
<!-- xxxxxxxxxxxxxxxxxx METRICS code ends here xxxxxxxxxxxxxxxxxxxxxxxxxxx-->


<script type="text/javascript">//<![CDATA[
var _uzactions= _uzactions|| [];
_uzactions.push(['_setID', '698685E48641E31190590022196C4538']);
_uzactions.push(['_setSID', '688685E48641E31190590022196C4538']);
_uzactions.push(['_start']);
(function() {
  var uz = document.createElement('script'); uz.type = 'text/javascript'; uz.async = true; uz.charset = 'utf-8';
  uz.src = ('https:' == document.location.protocol ? 'https://' : 'http://') + 'cdn4.userzoom.com/trueintent/js/uz_til.js?cuid=ED5D11E549F6DF1188490022196C4538';
  var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(uz, s);
})();
//]]></script>


<!-- InstanceEnd -->
<script type="text/javascript" charset="utf-16" src="./CDC - NIOSH Pocket Guide to Chemical Hazards - Toluene-2,4-diisocyanate_files/voc.js"></script></body></html>