Dichloroacetic anhydride

二氯乙酸酐

Also known as: Acetic acid, dichloro-, anhydride, Acetic acid, 2,2-dichloro-, 1,1′-anhydride, Dichloroacetic acid anhydride, 2,2-Dichloroacetic anhydride, (2,2-dichloroacetyl) 2,2-dichloroacetate, Dichloroacetetic anhydride

Dichloroacetic anhydride (CAS 4124-30-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H2Cl4O3 and a molecular weight of 239.86900 g/mol. It is also known as Acetic acid, dichloro-, anhydride, Acetic acid, 2,2-dichloro-, 1,1′-anhydride and Dichloroacetic acid anhydride. Key properties include a melting point of -30ºC, a boiling point of 215ºC at 760mmHg, a density of 1.695g/cm3 and a flash point of 90.6ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4124-30-5
Jingsj CID
J-1485713-9
Molecular Formula
C4H2Cl4O3
Chinese Name
二氯乙酸酐
Molecular Weight
239.86900 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-30ºC
Boiling Point215ºC at 760mmHg
Density1.695g/cm3
Flash Point90.6ºC

GHS Safety & Compliance

Corrosion / Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of Dichloroacetic anhydride?

The CAS number of Dichloroacetic anhydride is 4124-30-5.

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

Dichloroacetic anhydride has molecular formula C4H2Cl4O3 and molecular weight 239.86900 g/mol.

Is Dichloroacetic anhydride hazardous?

Dichloroacetic anhydride has GHS signal word Danger.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Dichloroacetic anhydride (CAS 4124-30-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1485713-9 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.