Trichloroacetic anhydride

三氯乙酸酐

Also known as: TCAA, Perchloroacetic anhydride, Trichloroacetic acid anhydride, Bis(trichloroacetic) anhydride, 2,2,2-Trichloroacetic anhydride

CAS No.
4124-31-6
Jingsj CID
J-9708-4
Molecular Formula
C4Cl6O3
Chinese Name
三氯乙酸酐
Molecular Weight
308.75900 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point139-141 °C60 mm Hg(lit.)
Density1.69 g/mL at 25 °C(lit.)
Flash Point98-100°C/11mm

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of Trichloroacetic anhydride?

4124-31-6

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

C4Cl6O3, molecular weight 308.75900 g/mol

Is Trichloroacetic anhydride hazardous?

Danger

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