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| 4,4'-Methylenedianiline | CAS 101-77-9 | ||
| CH2(C6H4NH2)2 | RTECS BY5425000 | ||
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Synonyms & Trade Names 4,4'-Diaminodiphenylmethane; para, para'-Diaminodiphenyl-methane; Dianilinomethane; 4,4'-Diphenylmethanediamine; MDA |
DOT ID & Guide |
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Exposure Limits |
NIOSH REL: Ca See Appendix A | ||
| OSHA PEL: [1910.1050] TWA 0.010 ppm ST 0.100 ppm | |||
| IDLH Ca [N.D.] See: IDLH INDEX | Conversion | ||
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Physical Description Pale-brown, crystalline solid with a faint, amine-like odor. |
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MW: 198.3 |
BP: 748°F |
MLT: 198°F |
Sol: 0.1% |
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VP(77°F): 0.0000002 mmHg |
IP: 10.70 eV |
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Sp.Gr: 1.06 (Liquid at 212°F) |
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Fl.P: 374°F |
UEL: ? |
LEL: ? |
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| Combustible Solid | |||
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Incompatibilities & Reactivities Strong oxidizers |
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Measurement Methods NIOSH 5029 See: NMAM or OSHA Methods |
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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: Soap wash immediately Breathing: Respiratory support Swallow: Medical attention immediately |
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Important additional information about respirator selection 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 having a high-efficiency particulate filter/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; jaundice, hepatitis; myocardial damage; in animals: heart, liver, spleen damage; [potential occupational carcinogen] | |
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Target Organs
Eyes, liver, cardiovascular system, spleen Cancer Site [in animals: bladder cancer] |
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| See also: INTRODUCTION See ICSC CARD: 1111 |