Cas no. 75-75-2 Hs no.: 29041000 Hazard calss: 8 Einecs: 200-898-6 Formulaooch4o3s Molecular weight 96.1 Index Purity,99% min,70% Appearance,Colorless transparent liquid,Colorless transparent liquid So4,50ppm max,50ppm max Cl-,20ppm max,5ppm max Color(apha),50max,10max Iron,5ppm max,5ppm max Heavy metal,5ppm max,5ppm max Oxidizable impurity,30ppm max,10ppm max Density,1.4812(18c) Melting point,20c Boiling point,167.0-167.5(10mmhg),167.0&c Application: 99% is used as solvent in medical industry or catalyst for alkylation, polymerization or other chemical reaction. 70% is mainly for electric plating industry. Package: 250kgs/drum or ibc ton pallet.