... payment or depend on your requirementProcess flowsheet: material and productUsages:Dimethyl sulfate is one important chemical raw materials ... of dimethyl sulfoxide, caffeine, cortisone, vanillin, amidopyrine, trimrthoprim and pesticide acephate and so on.Packaging: 200L iron drums , N.W. ... a barrel of 200 kg. And printed with "poisonous" signs.2, Stored in a cool and ventilation, dry warehouse, avoid ...