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.
