Chinese Name: DL- malic acid

Chinese alias: DL- hydroxy succinic acid; malic acid

English Name: DL-Malic acid

English alias: DL-Hydroxysuccinic acid; Malicacidpfelsure; 2-hydroxybutanedioic acid; (2R) -2-hydroxybutanedioate; Malic acid

CAS: 617-48-1; 6915-15-7

EINECS: 210-514-9

Molecular formula: C4H6O5

Molecular weight: 134.08864

InChI: InChI=1/C4H6O5/c5-2 (4 (8) 9) 1-3 (6) 7/h2,5H, 1H2, (H, 6,7) (H, 8,9) /p-2/t2-/m1/s1

Molecular structure: 

Melting point: 130-132 degrees centigrade

Boiling point: 306.4 C at 760 mmHg

Flash point: 153.4 C

Water solubility: 558 g/L (20 C)

Steam pressure: 7.19E-05mmHg at 25 degree C

Physical and chemical properties:

Malic acid is stable under normal condition and hygroscopicity when the humidity is high. Three white crystal of the cable-stayed system.

Melting point 130 degrees centigrade

Relative density 1.601

Solubility is easily soluble in methanol, ethanol, acetone and many other polar solvents.

Product use:

The food industry is used as an emulsifying stabilizer, such as acid flavor, color and luster, preservative, and egg yolk, etc., and also used in pharmaceuticals.