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Trichloroacetic acid																				Related Pages
Synonyms & Trade Names
			TCA, Trichloroethanoic acid
CAS No.
			76-03-9
	RTECS No.
			AJ7875000
	DOT ID & Guide
			1839 153(solid)2564 153(solution)

FormulaCCl3COOH
	Conversion
			1 ppm = 6.68 mg/m3
	IDLH
			N.D.See: IDLH INDEX

Exposure Limits
			NIOSH RELTWA 1 ppm (7 mg/m3)
					OSHA PEL none See Appendix G
	Measurement Methods
			**OSHA** PV2017
					
					See: NMAM or OSHA Methods
										
Physical Description
			Colorless to white, crystalline solid with a sharp, pungent odor.													
										
Molecular Weight163.4	
	Boiling Point388°F
	Melting Point136°F
	SolubilityMiscible
	Vapor Pressure(124°F): 1 mmHg
	Ionization Potential?											
Specific Gravity1.62	
	Flash PointNA
	Upper Explosive LimitNA
	Lower Explosive LimitNA
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
					  ICSC CARD: 0586

			
							

			Page last reviewed:  October 30, 2019						Content
							source: 	National Institute for Occupational Safety and Health NIOSH Pocket Guide to Chemical Hazards
Introduction
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Chemical Names, Synonyms and Trade Names
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CAS Numbers
RTECS Numbers
Appendices
A – NIOSH Potential Occupational Carcinogens
B – Thirteen OSHA-Regulated Carcinogens
C – Supplementary Exposure Limits
D – Substances with No Established RELs
E – OSHA Respirator Requirements for Selected Chemicals
F – Miscellaneous Notes
G – 1989 Air Contaminants Update Project: Exposure Limits NOT in Effect
Type C & CE – Definitions for Type C and Type CE Respirators
Personal Protection and Sanitation Codes
First Aid Procedures Follow NIOSH Facebook
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