Characters White to off-white, odourless, crystalline powder, soluble in ethanol. Very slightly soluble in water.
Identification A. IR
B. UV
Water ≤2.0%
Sulphate ash ≤0.5%
Heavy metals ≤20ppm
Pyridin ≤500ppm
Thiamine Disulfide ≤1.0%
Assay( On dry basisi) ≥98.5%
Purity (HPLC) ≥98.0%
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