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Trimellitic anhydride |
CAS 552-30-7 | ||
C9H4O5 |
RTECS DC2050000 | ||
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Synonyms & Trade Names 1,2,4-Benzenetricarboxylic anhydride; 4-Carboxyphthalic anhydride; TMA; TMAN; Trimellic acid anhydride [Note: TMA is also a synonym for Trimethylamine.] |
DOT ID & Guide |
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Exposure
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NIOSH REL: TWA 0.005 ppm (0.04 mg/m3) Should be handled in the workplace as an extremely toxic substance. | ||
| OSHA PEL†: none | |||
| IDLH N.D. See: IDLH INDEX | Conversion 1 ppm = 7.86 mg/m3 | ||
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Physical Description Colorless solid. |
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MW: 192.1 |
BP: ? |
MLT: 322°F |
Sol: ? |
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VP: 0.000004 mmHg |
IP: ? |
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Sp.Gr: ? |
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Fl.P: NA |
UEL: NA |
LEL: NA |
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| Combustible Solid | |||
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Incompatibilities & Reactivities None reported |
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Measurement Methods NIOSH 5036; OSHA 98 See: NMAM or OSHA Methods |
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Personal Protection & Sanitation (See protection) Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet or contaminated Change: Daily |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash Breathing: Respiratory support Swallow: Medical attention immediately |
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Important additional information about respirator selection Respirator Recommendations Not available. |
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| Exposure Routes inhalation, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin, nose, respiratory system; pulmonary edema, respiratory sensitization; rhinitis, asthma, cough, wheezing, dyspnea (breathing difficulty), malaise (vague feeling of discomfort), fever, muscle aches, sneezing | |
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Target Organs
Eyes, skin, respiratory system |
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| See also: INTRODUCTION See ICSC CARD: 0345 |