Detailed Product Description

Appearance: A white or off-white crystalline powder

PH: 3.5~4.0

Water: Not more than 1.0%

Heavy metals: Not more than 20ppm

Specific optical rotation: -17o～-21o

Total impurities: Not more than 6.0%

Assay: 93.0~100.5％

Packing: alu. Bag