Trichloroacetic acid
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CAS
76-03-9
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CCl3COOH
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RTECS
AJ7875000
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Synonyms & Trade Names
TCA, Trichloroethanoic acid
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DOT ID & Guide
1839 / 153 (solid)
2564 / 153 (solution)
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Exposure
Limits
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NIOSH REL: TWA 1 ppm (7 mg/m3)
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OSHA PEL†: none
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IDLH
N.D.
See: IDLH INDEX
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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
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BP: 388°F
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MLT: 136°F
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Sol: Miscible
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VP(124°F): 1 mmHg
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IP: ?
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Sp.Gr: 1.62
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Fl.P: NA
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UEL: NA
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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 |
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
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Water flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations
Not available.
Important additional information about respirator selection
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Exposure Routes
inhalation, ingestion, skin and/or eye contact
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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
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