Specification :

DL-Malic acid

Synonyms: Hydrozybutanedioic acid, DL-Malic acid, Malic Acid, DL-Apple acid

CAS NO.: 617-48-1

Molecular Formula:C4H6O5 Molecular Weight: 134.09

Structural Formula:

Properities:
DL-Malic acid is white crystals or white crystalline powder, soluble in water, alcohol and other organic solvent. DL-Malic acid ¡®s aqueous solution is acidic.

Specification:
Items Index
Assay(as C4H6O5) 99.0%~100.5%
Optical purity(e.e%, Chiral HPLC) 98.0% Min
Specific Rotation(c=8.5,H2O) +1.6 ~+2.6
Arsenic(As2O3) 2.0mg/kg Max
Heavy Metal(Pb) 20mg/kg Max
Residue On Ignition 0.1% Max
Chloride[Cl-] 0.01% Max
Fumaric Acid 0.5% Max
Maleic Acid 0.05% Max
Sulfate SO42- 0.04% Max

Usage:
DL-Malic acid can be used as an acidulant in cool drinks (including lactobacillus drinks, milk drinks, carbonated drinks, cola), frozen foods (including sherbet and ice cream), processed foods (including wine and mayonnaise).DL-Malic acid is used as color-keeper and antiseptic of juice. DL-Malic acid is also used as emulsion stabilizer of egg yolk. DL-Malic acid also can be used as pharmaceutical intermediate, cosmetic, rinse, metal cleaner, buffering agent, retarder in textile industry, fluorescent whitening agent of polyester fibre.

Packing and Storage:
25kg net weight in cardboard drum or according to customer requirements. Kept air tightly in a light-proof, dry and cool place.

Keywords£º
Malic Acid, Hydrozybutanedioic acid, DL-Malic acid