Description: White to off-white crystalline powder

Specific Rotation: +84.0~+87.5

pH: 5.0~8.0

Loss on drying: NMT 2.0%

Residue on ignition: NMT 0.7%

Heavy Metals: NMT 10ppm

Arsenic: NMT 3ppm

Methaol: NMT 0.1%

Hydrolysis products: Pass test

Related Substance: Pass test

Assay: 98.0~102.0%

Packing: 25kg/ 10kg/ 5kg packed in a drum

Storage: In well-closed, dry container protected from damp, heat and light

Shelf life: 24 months