White, lustrous, or a white ,crystalline powder. It has a slight, characteristic odor. It is soluble in water, in alkali solutions, and in dilute mineral acids. It is slightly soluble in alcohol and practically insoluble in ether.
Quality Standards：
AJI97
Item
Specification (AJI97)
Appearance
White crystals or crystalline powder
Assay, % (on dry matter)
98.5~101.5
Specific rotation
+21.9°~+24.1°
pH value
5.6~6.1
Loss on drying, %
≤0.3
Heavy metals, %
≤0.0015
Residue on ignition, %
≤0.4
Chloride,%
≤0.05
Sulfate,%
≤0.03
Arsenic, %
≤0.00015
Iron, %
≤0.003
Package and Transport：
This product is contained in a double-layer package, the inner layer being a sealed non-poisonous polyethylene bag or aluminium foil, and the outer layer being a 25kg drum. Packages may be arranged in accordance with customer’s requirements.
Storage：
Stored in dry, clean and ventilated places. Protect it from moisture, heat or sunshine. In order to avoid pollution, it is prohibited to place this product together with poisonous or harmful substances. The expiry date is for two years.
Amino Acid
