Item Specifications Results
Appearance White crystalline powder White crystalline powder
Assay (On the dried basis) ≥99.0% 99.48%
Melting point 136℃~140℃ 137.6℃~139.1℃
Loss on drying ≤1.0% 0.35%
Specific optical rotation -16°—-17° -16.42°
Residue on ignition ≤0.1% 0.04%
Heavy metals ≤20ppm Accords with the specification
Clarity of the solution Clear and colourless or pale yellow solution Accords with the specification
Conclusion Meeting th erequirements of the In-house.
