Return to Results

Propionic acid

CAS Registry Number®

79-09-4

CAS Name

Propionic acid

Molecular Formula

C3H6O2

Molecular Mass

74.08

Cite this Page

Propionic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=79-09-4 (retrieved 2024-11-23) (CAS RN: 79-09-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    141.1 °C

  • Melting Point (1)

    -20.7 °C

  • Density (1)

    0.9930 g/cm³ @ Temp: 20 °C

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

InChI

InChI=1S/C3H6O2/c1-2-3(4)5/h2H2,1H3,(H,4,5)

InChIKey

InChIKey=XBDQKXXYIPTUBI-UHFFFAOYSA-N

SMILES

C(CC)(O)=O

Canonical SMILES

O=C(O)CC

Other Names for this Substance

  • Propanoic acid
  • Propionic acid
  • Carboxyethane
  • Ethylformic acid
  • Metacetonic acid

View All

Deleted or Replaced CAS Registry Numbers

784139-72-6, 1032826-44-0

CAS INSIGHTSTM
Hourglass and a clock