Toluenediamine |
Synonyms & Trade Names Diaminotoluene, Methylphenylene diamine, TDA, Toluenediamine isomers, Tolylenediamine [Note: Various isomers of TDA exist.] |
CAS No. 25376-45-8
95-80-7 (2,4-TDA) |
RTECS No. XS9445000
XS9625000 (2,4-TDA) |
DOT ID & Guide 1709 151 (2,4-Toluenediamine) |
FormulaCH3C6H3(NH2)2 |
Conversion |
IDLH Ca [N.D.]
See: IDLH INDEX |
Exposure Limits NIOSH REL: Ca (all isomers) See Appendix A
OSHA PEL: none |
Measurement Methods
NIOSH 5516;
OSHA 65
See: NMAM or OSHA Methods |
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.] |
MW: 122.2 |
BP: 558°F |
MLT: 210°F |
Sol: Soluble |
VP(224°F): 1 mmHg |
IP: ? |
Sp.Gr: 1.05 (Liquid at 212°F) |
Fl.P: 300°F |
UEL: ? |
LEL: ? |
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| Combustible Solid |
Incompatibilities & Reactivities None reported |
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact |
Symptoms irritation eyes, skin, nose, throat; dermatitis; ataxia, tachycardia, nausea, vomiting, convulsions, resp depression; methemoglobinemia, cyanosis, headache, lassitude (weakness, exhaustion), dizziness, bluish skin; liver injury; [potential occupational carcinogen] |
Target Organs Eyes, skin, respiratory system, blood, cardiovascular system, liver |
Cancer Site[in animals: liver, skin & mammary gland tumors] |
Personal Protection/Sanitation (See protection codes)
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 |
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
Important additional information about respirator selection |
| See also: INTRODUCTION See ICSC CARD: 0582
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