Malic acid

C4H6O5CAS 6915-15-7134.09 g/mol

OHOOHOOH
AlcoholCarboxylic acid

Properties

Molecular formula
C4H6O5
Molar mass
134.09 g/mol
Exact mass
134.0215 Da
Density
1.25 g/mL (at 25 °C)
Melting point
131 °C
pKa
3.51, 5.03 (20 °C)
Water solubility
558 g/L (20 °C)
logP
-1.09Crippen estimate
Polar surface area
94.8 Ų
H-bond donors / acceptors
3 / 3
Rotatable bonds
3

Hazards

Danger
Corrosive (GHS05)Irritant (GHS07)

Aggregated from 2,124 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P264, P264+P265, P280, P302+P352, P305+P351+P338, P305+P354+P338, P317, P321, P332+P317, P337+P317, P362+P364

Identifiers

CAS number
6915-15-7
SMILES
O=C(O)CC(O)C(=O)O
InChIKey
BJEPYKJPYRNKOW-UHFFFAOYSA-N
InChI
InChI=1S/C4H6O5/c5-2(4(8)9)1-3(6)7/h2,5H,1H2,(H,6,7)(H,8,9)

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Names and synonyms

22 names · show all
  • Butanedioic acid, 2-hydroxy-
  • Butanedioic acid, hydroxy-
  • 2-Hydroxybutanedioic acid
  • α-Hydroxysuccinic acid
  • Hydroxysuccinic acid
  • 2-Hydroxyethane-1,2-dicarboxylic acid
  • Pomalus acid
  • Deoxytetraric acid
  • 2-Hydroxysuccinic acid
  • Musashi-no-Ringosan
  • Hydroxybutanedioic acid
  • Dl-Malic acid
  • FDA 2018
  • (±)-Malic acid
  • R,S(±)-Malic acid
  • E 296
  • NSC 25941
  • Nanoveson M
  • Xeros
  • Monohydroxybutanedioic acid
  • Purac powder MA
  • Purac MA

Work with Malic acid

Stereoisomers, salts and isotopologues

The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.

Similar compounds

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

Same formula

Elsewhere