... crystals or flake, granular, needle, powder Content more than 99.5% PH 5.3-6.3 PRODUCT:1,2,3-Benzotriazole ;BTACHEMICAL FORMULA ... : ITEMSTANDARDAppearanceSmall yellow to white crystals or flake, granular, needle, powderContent%≥99.5Melting point°C96-99Water%≤0.1Ash%≤0.05PH5.3-6 ...