Malonic acid

C3H4O4CAS 141-82-2104.06 g/mol

OHOOOH
Carboxylic acid

Properties

Molecular formula
C3H4O4
Molar mass
104.06 g/mol
Exact mass
104.0110 Da
Density
1.6 g/mL
Melting point
135 °C (decomposes)
Boiling point
215 °C (at 14 Torr)
pKa
2.8, 5.7 (25 °C)
Water solubility
73 g/L (20 °C)
logP
-0.45Crippen estimate
Polar surface area
74.6 Ų
H-bond donors / acceptors
2 / 2
Rotatable bonds
2

Hazards

Danger
Corrosive (GHS05)Irritant (GHS07)

Aggregated from 443 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P305+P354+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, P501

Identifiers

CAS number
141-82-2
SMILES
O=C(O)CC(=O)O
InChIKey
OFOBLEOULBTSOW-UHFFFAOYSA-N
InChI
InChI=1S/C3H4O4/c4-2(5)1-3(6)7/h1H2,(H,4,5)(H,6,7)

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Type any one amount. The others follow from the molar mass and density.

Names and synonyms

7 names
  • Propanedioic acid
  • Carboxyacetic acid
  • Dicarboxymethane
  • Methanedicarboxylic acid
  • 1,3-Propanedioic acid
  • NSC 8124
  • Malonates

Reactions

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Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

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