Vitamin B6 Cas no:58-56-0 Purity:99% Description:White Fine Powder Package:25kg/drum Melting Point:206.0°C--207.5°C Acidity (PH):2.65 Loss on drying:0.06% Residue on ignition:0.03% Sulphated ash:0.04% Heavy Metals:less than 1PPM Assay:Contain C8H11NO3HCL Calculated on the dried basis:99.8% Clarty and Colour of Solution:Meet the requirements. Chloride content:17.3% Related substances:Meet the requirements Orangnic volatile impurities:Meet the requirements