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| Toluenediamine |
CAS
25376-45-8 95-80-7 (2,4-TDA) |
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| CH3C6H3(NH2)2 |
RTECS
XS9445000 XS9625000 (2,4-TDA) |
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Synonyms & Trade Names Diaminotoluene, Methylphenylene diamine, TDA, Toluenediamine isomers, Tolylenediamine [Note: Various isomers of TDA exist.] |
DOT ID & Guide 1709 151 |
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Exposure Limits |
NIOSH REL: Ca (all isomers) See Appendix A | ||
| OSHA PEL: none | |||
| IDLH Ca [N.D.] | Conversion | ||
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Physical Description Colorless to brown, needle-shaped crystals or powder. [Note: Tends to darken on storage & exposure to air. Properties given are for 2,4-TDA.] |
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MW: 122.2 |
BP: 558°F |
MLT: 210°F |
Sol: Soluble |
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VP(224°F): 1 mmHg |
IP: ? |
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Sp.Gr: 1.05 (Liquid at 212°F) |
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Fl.P: 300°F |
UEL: ? |
LEL: ? |
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| Combustible Solid | |||
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Incompatibilities & Reactivities None reported |
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Measurement Methods NIOSH 5516; OSHA 65 |
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Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated/Daily Remove: When wet or contaminated Change: Daily Provide: Eyewash, Quick drench |
First Aid (See procedures) Eye: Irrigate immediately Skin: Water flush immediately Breathing: Respiratory support Swallow: Medical attention immediately |
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Respirator Recommendations
NIOSH At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration: (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/(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 Escape: (APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister/Any appropriate escape-type, self-contained breathing apparatus |
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| Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin, nose, throat; dermatitis; ataxia, tachycardia, nausea, vomiting, convulsions, respiratory depression; methemoglobinemia, cyanosis, headache, lassitude (weakness, exhaustion), dizziness, bluish skin; liver injury; [potential occupational carcinogen] | |
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Target Organs
Eyes, skin, respiratory system, blood, cardiovascular system, liver Cancer Site [in animals: liver, skin & mammary gland tumors] |
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| See also: INTRODUCTION |