Acetaldehyde

CAS Registry Number®

75-07-0

CAS Name

Acetaldehyde

Molecular Formula

C2H4O

Molecular Mass

44.05

Cite this Page

Acetaldehyde.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=75-07-0 (retrieved 2025-05-12) (CAS RN: 75-07-0).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    21 °C

  • Melting Point (1)

    -123.5 °C

  • Density (1)

    0.788 g/cm³ @ Temp: 16 °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/C2H4O/c1-2-3/h2H,1H3

InChIKey

InChIKey=IKHGUXGNUITLKF-UHFFFAOYSA-N

SMILES

C(C)=O

Canonical SMILES

O=CC

Other Names for this Substance

  • Acetaldehyde
  • Acetic aldehyde
  • Ethanal
  • Ethyl aldehyde
  • NSC 7594

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