M.F.:(CH3)2SO4 M.W.:126.13 Physical and chemical property:Colorless oil-like inflammable liquid boiling point 188℃(decomposition). Hardening point-26.8℃, density(20/4℃)1.3322, flash point 83℃,soluble in aether, acetone, aromatic hydrocarbon, slightly soluble in carbon bisulfide, aliphatic hydrocarbon, and water. Usage:Dimethyl Sulfate is used to make dimethyl sulphoxide, coffeinum, codeine. Vanillin, aminopyrine, trimethoprim, acephate and other pesticides. Index of quality: HG/T 4001-2008 Item Spec 1 Spec 2 Content % ≥ 98.00 99.00 Acidity % ≤ 0.50 0.30 Appearance Colorless Transparent Liquid Packaging: 200L iron drums , N.W. : 250 KG ; ISO tank . Number of dangerous goods:61116 UN Number:1595 Packaging marks:Poisonous, corrosive products Packaging category: Ⅰclass packaging