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DL-蛋氨酸

中文通用名 :DL-蛋氨酸
用 途 类 型 :营养增补剂
规格 :EP/BP
HS Code :2930.4000.00
LAS CARACTERíSTICAS QUíMICAS
结构式
CAS :59-51-8
分子式 :C5H11NO2S
用途 :蛋氨酸可作为氨基酸输液和复合氨基酸的主要成分,还可用于合成药用维生素,利用其抗脂肪肝的作用,可用于生产保肝制剂。
LOS PARÄMETROS TËCNICOS
Items Standard
Appearance White  or almost white, crystalline powder or colourless
crystals
Solubility soluble in water, very slightly soluble in alcohol
Identification A. Specific optical rotation
B. Examine by infrared absorption spectrophotometry
Solution S. Dissolve 2.5 g in carbon dioxide-free water R and
dilute to 100 mL with the same solvent.
Appearance of solution Solution S is clear and colourless
pH 5.5~6.5
Specific optical rotation +22.5~+24.0
Sulfates ≤200ppm
Loss on drying ≤0.5%
Chloride ≤0.2%
Heavy mentals ≤20ppm
Sulfates ash ≤0.1%
Assay  (On the anhydrous basis) ≥99.0%
It contains C5H11NO2S
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