... Appearence Light yellow or white hydrous powder 2 Purity % ≥ 99.0 3 Melting point 155~158 4 Moisture % ... a broad spectrum microorganisms at low concentration.2> Excellent stability over a broad pH and temperature ... range.3> Minimal toxic hazard in use. UsageBIT ... product,water-solubility resin ,(latex paint),crylic acid,polymer,photo fixative,pager,printing ink,leather and ...