Acetic acid, 2,2-dichloro-, 1,1′-anhydride

CAS Registry Number®

4124-30-5

CAS Name

Acetic acid, 2,2-dichloro-, 1,1′-anhydride

Molecular Formula

C4H2Cl4O3

Molecular Mass

239.87

Cite this Page

Acetic acid, 2,2-dichloro-, 1,1′-anhydride.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=4124-30-5 (retrieved 2025-07-13) (CAS RN: 4124-30-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    122-123 °C @ Press: 20 Torr

  • Melting Point (2)

    17-18 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C4H2Cl4O3/c5-1(6)3(9)11-4(10)2(7)8/h1-2H

InChIKey

InChIKey=RQHMQURGSQBBJY-UHFFFAOYSA-N

SMILES

C(OC(C(Cl)Cl)=O)(C(Cl)Cl)=O

Canonical SMILES

O=C(OC(=O)C(Cl)Cl)C(Cl)Cl

Other Names for this Substance

  • Acetic acid, 2,2-dichloro-, 1,1′-anhydride
  • Acetic acid, dichloro-, anhydride
  • Dichloroacetic anhydride
  • Dichloroacetic acid anhydride
  • NSC 401832

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