DL malic acid / malic acid /dl hydroxysuccinic acid / racemic malic acid

English Name: DL malic acid; DL-Hydroxybutanedioic acid

Other names: malic acid; DL hydroxysuccinic acid; DL hydroxysuccinic acid; Racemic malic acid

CAS No.: 6915-15-7 or 617-48-1

C4H6O5=134.09

Grade: br

Content: ≥ 99.0%

Melting point: 128 ~ 131 ℃

Burning residue: ≤ 0.2%

Chloride: ≤ 0.1%

Sulfate: ≤ 0.02%

Arsenic: ≤ 0.0001%

Iron: ≤ 0.005%

Heavy metals: ≤ 0.002%

Physicochemical properties: colorless crystal or white powder. Decomposition at 150 ℃, solubility at 20 ℃ (g/100g): 82.70 in methanol; 0.84 in ether; 45.53 in ethanol; 17.75 in acetone; 22.70 in dioxane; Water 55.8. It is almost insoluble in benzene, and the relative density (d204) is 1.601. The minimum lethal dose (rabbit, subcutaneous) is 5000mg/kg. Irritating

Purpose: biochemical research. Alkalimetry standard, manufacturing esters and salts, food seasoning. DL malic acid is an important organic acid. It is a new low calorie food sour agent. It is suitable for making low-energy beverages. It can also be used as chemical synthetic raw materials, esters and salts, surfactants, fluorescent brighteners, disinfectants, detergents, pickling agents, etc

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