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|Section2= |Section3= |Section4= }} Dimethyl sulfate is a chemical compound with formula (CH3O)2SO2. As the diester of methanol and sulfuric acid, its formula is often written as (CH3)2SO4 or even Me2SO4, where CH3 or Me is methyl. Me2SO4 is mainly used as a methylating agent in organic synthesis. Under standard conditions, Me2SO4 is a colourless oily liquid with a slight onion-like odour (although smelling it would represent significant exposure). Like all strong alkylating agents, Me2SO4 is extremely toxic. Its use as a laboratory reagent has been superseded to some extent by methyl triflate, CF3SO3CH3, the methyl ester of trifluoromethanesulfonic acid. ==History== Dimethyl sulfate was first discovered in the early 19th century in an impure form. P Claesson later extensively studied its preparation. It may have been used in chemical warfare.〔(【引用サイトリンク】 Dimethyl Sulfate 77-78-1 )〕〔(【引用サイトリンク】 Poison Facts: Low Chemicals: Dimethyl Sulfate )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「dimethyl sulfate」の詳細全文を読む スポンサード リンク
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