L-Aspartic acid

Descripción del producto

The product is white crystal or crystalline powder, slightly sour in taste. Soluble in boiling water, slightly soluble in water at *5℃(0.5%), freely soluble in dilute acid and sodium hydroxide solution and insoluble in ethanol and ethyl ether. It decomposes when heated to **0 ℃. Its isoelectric point is 2.*7 and its specific rotation is associated with the soluble solvent. It is dextral in the acid solution and water solution, but levorotary in the alkali solution. [α]*5D*5.*5 (C=0.**2.0 g/ml, H2O). Combined with HNO2, alcohol or acyl chloride, it can produce L- malic acid, ester and amide respectively, it's aoso the material of aspartame, polyaspartic acid,etc. It is the ingredient of unripe sugarcane and beet molasses.