Dry Content：95.0%-100.5%

【Characteristics】:A white or almost white crystalline powder

Identification：USP24，USP26，BP98，EP97

Appearance of the solution：Clear and colourless

Crystallinly：Meets the requirements

Acidity：PH3.5-4.5

Specific Rotation：+115。-+130。

Water：＜0.6%