Acetylsalicylic anhydride

CAS Registry Number®

1466-82-6

CAS Name

Acetylsalicylic anhydride

Molecular Formula

C18H14O7

Molecular Mass

342.30

Cite this Page

Acetylsalicylic anhydride.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=1466-82-6 (retrieved 2024-11-24) (CAS RN: 1466-82-6).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    85 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C18H14O7/c1-11(19)23-15-9-5-3-7-13(15)17(21)25-18(22)14-8-4-6-10-16(14)24-12(2)20/h3-10H,1-2H3

InChIKey

InChIKey=OAWXYINGQXLWOE-UHFFFAOYSA-N

SMILES

O(C(C)=O)C1=C(C(OC(=O)C2=C(OC(C)=O)C=CC=C2)=O)C=CC=C1

Canonical SMILES

O=C(OC(=O)C=1C=CC=CC1OC(=O)C)C=2C=CC=CC2OC(=O)C

Other Names for this Substance

  • Benzoic acid, 2-(acetyloxy)-, 1,1′-anhydride
  • Salicylic anhydride, diacetate
  • Salicylic acid acetate, anhydride
  • Benzoic acid, 2-(acetyloxy)-, anhydride
  • Acetylsalicylic anhydride

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Deleted or Replaced CAS Registry Numbers

49619-41-2

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