Description: A white,crystallinepowder,with a sweet taste,freely soluble in water, sparinglysoluble in alcohol.

Appearance of solution: Clear,odourless

Indentification:Conforms

Specific Optical Rotation:52.5°～ 53.3°

Moisture Content:7.0-9.5%

Acidity or alkalinity: 6.0g, 0.1MNaOH 0.15ml

Clarity Ethanol of Solution:Conforms

Chlorides:≤125ppm

Sulphates:≤200ppm

Sulphated ash:≤0.1%

Calcium: ≤200ppm

Barium: Conforms

Iron: ≤0.001%

Heavy metals:≤5ppm

Lead: ≤0.5ppm

Arsenic: ≤1ppm

Total Plate Count:≤1000pcs/g

Molds and Yeasts:≤100pcs/g

E.Coli: Negative

Pyrogen:Negative.