Malonic acid

CAS Registry Number®

141-82-2

CAS Name

Malonic acid

Molecular Formula

C3H4O4

Molecular Mass

104.06

Cite this Page

Malonic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=141-82-2 (retrieved 2025-07-15) (CAS RN: 141-82-2).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    215 °C @ Press: 14 Torr

  • Melting Point (2)

    135 °C (decomp)

  • Density (2)

    1.6 g/cm³

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C3H4O4/c4-2(5)1-3(6)7/h1H2,(H,4,5)(H,6,7)

InChIKey

InChIKey=OFOBLEOULBTSOW-UHFFFAOYSA-N

SMILES

C(C(O)=O)C(O)=O

Canonical SMILES

O=C(O)CC(=O)O

Other Names for this Substance

  • Propanedioic acid
  • Malonic acid
  • Carboxyacetic acid
  • Dicarboxymethane
  • Methanedicarboxylic acid

View All

Deleted or Replaced CAS Registry Numbers

211863-95-5

CAS INSIGHTSTM
Abstract water drop seamless pattern. Colorful decorative texture. Vector backgrounds.