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Trichloroacetic acid

Synonyms & Trade Names
TCA, Trichloroethanoic acid
CAS No.
76-03-9
RTECS No.
AJ7875000
DOT ID & Guide
1839 153 (solid)
2564 153 (solution)
Formula
CCl3COOH
Conversion
1 ppm = 6.68 mg/m3
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
: TWA 1 ppm (7 mg/m3)
OSHA PEL
†: none
Measurement Methods

OSHA PV2017
See: NMAM or OSHA Methods
Physical Description
Colorless to white, crystalline solid with a sharp, pungent odor.
MW:
163.4
BP:
388°F		 MLT: 136°F
Sol:
Miscible		 VP(124°F): 1 mmHg
IP:
?
Sp.Gr:
1.62
Fl.P:
NA
UEL:
NA
LEL:
NA
Noncombustible Solid
Incompatibilities & Reactivities
Moisture, iron, zinc, aluminum, strong oxidizers [Note: Decomposes on heating to form phosgene & hydrogen chloride. Corrosive to metals.]
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
Target Organs
Eyes, skin, respiratory system, gastrointestinal tract
Personal Protection/Sanitation
(See protection codes)
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
Respirator Recommendations

Not available.

Important additional information about respirator selection

See also: INTRODUCTION   See ICSC CARD: 0586
 

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