Test items	Specifications
BP2011 Standard
Appearance	A white or almost white crystalline powder
Melting point	About 205℃
Identification	B:IR absorption; D:Reaction(a) of chlorides
Appearance of solution	Clear, not more intense than Y7
pH	2.4~3.0
Loss on drying	≤0.5%
Sulphated ash	≤0.1%
Heavy metals	≤20ppm
Related substances
-Impurity B	≤0.15%
-Unspecified impurity	≤0.10%
-Total impurities	≤0.2%
Assay	99.0% ~101.0%
USP 34 Standard
Identification	A: IR absorption; B:Test of chloride
Loss on drying	≤0.5%
Residue on Ignition	≤0.1%
Heavy metals	≤0.003%
Residual solvent-Ethanol	≤0.5%
Chloride	16.9%~17.6%
Assay	98.0% ~ 102.0%

Vitamin B6

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