Aspirin

CAS Registry Number®

50-78-2
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CAS Name

Aspirin

Molecular Formula

C9H8O4

Molecular Mass

180.16

Cite this Page

Aspirin.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=50-78-2 (retrieved 2024-05-25) (CAS RN: 50-78-2).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    197-200 °C @ Press: 7 Torr
  • Melting Point (2)

    135 °C
  • Density (3)

    1.40 g/cm³

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C9H8O4/c1-6(10)13-8-5-3-2-4-7(8)9(11)12/h2-5H,1H3,(H,11,12)

InChIKey

InChIKey=BSYNRYMUTXBXSQ-UHFFFAOYSA-N

SMILES

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

Canonical SMILES

O=C(O)C=1C=CC=CC1OC(=O)C

Other Names for this Substance

  • Benzoic acid, 2-(acetyloxy)-
  • Rhodine
  • Salicylic acid acetate
  • 2-(Acetyloxy)benzoic acid
  • Aceticyl

Deleted or Replaced CAS Registry Numbers

2349-94-2, 11126-35-5, 11126-37-7, 26914-13-6, 98201-60-6, 2087491-38-9

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