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　　Legal number: CAS RN) : 56-41-7; EINECS no. : 200-273-8

　　Molecular formula: C₃H₇NO₂

　　Molecular weight: 89.09

　　Physical and chemical properties: colorless to white crystalline powder, odourless. Has a sweet taste, about 70% of the sucrose sweetness. Soluble in water, slightly soluble in ethanol, insoluble in ethanol. With optical activity.

　　USES: used as a preservative, flavor seasoning food and beverage aspects, such as amino acid low-degree wine medicine used for synthesis of amino acid transfusion.

　　Standard: FCCIV USP26 USP28 AJI92