Dichloroacetic acid

二氯乙酸

Also known as: DCA, Dichloroethanoic acid, Bichloroacetic acid, Dichloracetic acid, 2,2-Dichloroacetic acid, Urner's liquid, DKhUK

CAS No.
79-43-6
Jingsj CID
J-32890-2
Molecular Formula
C2H2Cl2O2
Chinese Name
二氯乙酸
Molecular Weight
128.94200 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point9-11 °C(lit.)
Boiling Point194 °C(lit.)
Density1.563 g/mL at 25 °C(lit.)
Flash Point>230 °F

GHS Safety & Compliance

Corrosion / Acute Toxicity / Health Hazard / Environmental HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of Dichloroacetic acid?

79-43-6

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

C2H2Cl2O2, molecular weight 128.94200 g/mol

Is Dichloroacetic acid hazardous?

Danger

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