Appearance Almost white or white to white powder Almost-white powder Assay 99.0-101.0% 99.16% Melting point 161-166℃ 162-164.2℃ Related substances 0.5% max Conforms Heavy metals 10ppm Conforms Loss on drying 0.5% MAX 0.16% Sulphated ash 0.1% max Conforms
