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Trichloroacetic acid |
CAS 76-03-9 | ||
CCl3COOH |
RTECS AJ7875000 | ||
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Synonyms & Trade Names TCA, Trichloroethanoic acid |
DOT ID & Guide 1839 153 (solid) 2564 153 (solution) |
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Exposure
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NIOSH REL: TWA 1 ppm (7 mg/m3) | ||
| OSHA PEL†: none | |||
| IDLH N.D. See: IDLH INDEX | Conversion 1 ppm = 6.68 mg/m3 | ||
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Physical Description Colorless to white, crystalline solid with a sharp, pungent odor. |
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MW: 163.4 |
BP: 388°F |
MLT: 136°F |
Sol: Miscible |
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VP(124°F): 1 mmHg |
IP: ? |
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Sp.Gr: 1.62 |
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Fl.P: NA |
UEL: NA |
LEL: NA |
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| Noncombustible Solid | |||
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Incompatibilities & Reactivities Moisture, iron, zinc, aluminum, strong oxidizers [Note: Decomposes on heating to form phosgene & hydrogen chloride. Corrosive to metals.] |
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Measurement Methods OSHA PV2017 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 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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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, throat, respiratory system; cough, dyspnea (breathing difficulty), delayed pulmonary edema; eye, skin burns; dermatitis; salivation, vomiting, diarrhea | |
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Target Organs
Eyes, skin, respiratory system, gastrointestinal tract |
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| See also: INTRODUCTION See ICSC CARD: 0586 |