Document ID: EPA-HQ-OPPT-2011-0976-0028
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                    Toluene-2,4-diisocyanate
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                  TDI; 2,4-TDI; 2,4-Toluene diisocyanate
                  
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              </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>
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