Trichloroacetic acid
Synonyms & Trade Names
TCA, Trichloroethanoic acid
Exposure Limits
Measurement Methods
Physical Description
Colorless to white, crystalline solid with a sharp, pungent odor.
Molecular Weight
163.4
Boiling Point
388°F
Melting Point
136°F
Solubility
Miscible
Vapor Pressure
(124°F): 1 mmHg
Ionization Potential
?
Specific Gravity
1.62
Flash Point
NA
Upper Explosive Limit
NA
Lower Explosive Limit
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
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
Eye:Irrigate immediately
Skin:Water flush immediately
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations
Not available.
See also
INTRODUCTION
ICSC CARD: 0586
Page last reviewed: October 30, 2019
Content
source: National Institute for Occupational Safety and Health