L-malic acid /l-hydroxysuccinic acid / (s) - hydroxysuccinic acid /l-butanoic acid

English name：L-Malic acid；(-)-Malic acid ,L(-)-Hydroxysuccinic acid；L(-)-Hydroxybutanedioic acid；Apple acid

Other names: l-hydroxysuccinic acid;  (S) - hydroxysuccinic acid; L-butanoic acid

CAS No.: 97-67-6

C4H6O5=134.09

Grade: br

Content: ≥ 99.0%

Specific rotation: -1.6 ~ -2.6 °

Melting point: 101 ~ 103 ℃

Chloride: ≤ 0.004%

Sulfate: ≤ 0.03%

Arsenic: ≤ 0.0002%

Burning residue: ≤ 0.05%

Physicochemical properties: white crystal or crystalline powder. It has strong hygroscopicity and is easily soluble in water and ethanol. Solubility in water: 360 g/l (20 ° C). 1g of this product can be dissolved in 1.4ml alcohol, 1.7ml ether, 0.7ml methanol, 2.3ml propanol, almost insoluble in benzene. It has a suitable sour taste

Purpose: biochemical research. γ- Aminobutyric acid synthase inhibitor; Determine the substrate of malate dehydrogenase. Manufacture esters. Complexing agent. Flavoring agent

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