Trichloroacetic acid

三氯乙酸

Also known as: TCA, Acetic acid, trichloro-, Trichloroethanoic acid, 1,1,1-Trichloroacetic acid

CAS No.
76-03-9
Jingsj CID
J-32697-7
Molecular Formula
C2HCl3O2
Chinese Name
三氯乙酸
Molecular Weight
163.39 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point54-58 °C(lit.)
Boiling Point196 °C(lit.)
Density1.62 g/mL at 25 °C(lit.)
Flash Point196°C

GHS Safety & Compliance

Corrosion / Environmental HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of Trichloroacetic acid?

76-03-9

What are the molecular formula and molecular weight of Trichloroacetic acid?

C2HCl3O2, molecular weight 163.39 g/mol

Is Trichloroacetic acid hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026