Appearance

White to off-white crystalline powder

Solubility

Freely soluble in water,sparingly soluble in methylene chloride

Identification

IR absorption: Matches with standard

Related substances(HPLC)

Single impurity≤0.5％

 

Total impurities≤1.0％

Residue on ignition

≤0.1％

Loss on drying

≤0.5％

Assay

98.0%-102.0%