Malic 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
- H315 Causes skin irritation74.2% of notifiers
- H318 Causes serious eye damage10.5% of notifiers
- H319 Causes serious eye irritation89.2% of notifiers
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
6915-15-7SMILES
O=C(O)CC(O)C(=O)OInChIKey
BJEPYKJPYRNKOW-UHFFFAOYSA-NInChI
InChI=1S/C4H6O5/c5-2(4(8)9)1-3(6)7/h2,5H,1H2,(H,6,7)(H,8,9)Weigh it out
Type any one amount. The others follow from the molar mass and density.
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.
L-Malic acid97-67-6Defined stereoisomer
D-Malic acid636-61-3Defined stereoisomer
Sodium malate676-46-0Salt
Magnesium malate869-06-7Salt
Pizotifen malate5189-11-7Salt
Almotriptan malate181183-52-8Salt
L-Hydroxysuccinic acid disodium salt138-09-0Salt, defined stereoisomer
Sodium malate22798-10-3Salt
Clebopride hydrogen malate57645-91-7Salt
Cabozantinib S-malate1140909-48-3Salt, defined stereoisomer
Calcium malate17482-42-7Salt
Sunitinib malate341031-54-7Salt, defined stereoisomer
Similar compounds
1,2,3,4-Butanetetracarboxylic acid1703-58-860 % similar
Propane-1,2,3-tricarboxylic acid99-14-960 % similar
Thiodisuccinic acid4917-76-459 % similar
D-Aspartic acid1783-96-654 % similar
(S)-(-)-Methylsuccinic acid2174-58-554 % similar
Polyaspartic acid25608-40-654 % similar
(+)-Methylsuccinic acid3641-51-854 % similar
(R)-2-Chlorosuccinic acid3972-40-554 % similar
Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds