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
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.