Production
Dimethyl sulfate can be synthesized in the laboratory by many different syntheses, the simplest being the esterification of sulfuric acid with methanol:
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- 2 CH3OH + H2SO4 → (CH3)2SO4 + 2 H2O
Another possible synthesis involves distillation of methyl hydrogen sulfate:
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- 2 CH3HSO4 → H2SO4 + (CH3)2SO4
Methyl nitrite and methyl chlorosulfonate also result in dimethyl sulfate:
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- CH3ONO + (CH3)OSO2Cl → (CH3)2SO4 + NOCl
In the United States, Me2SO4 has been produced commercially since the 1920s. A common process is the continuous reaction of dimethyl ether with sulfur trioxide.
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- (CH3)2O + SO3 → (CH3)2SO4
Read more about this topic: Dimethyl Sulfate
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—Debbie Taylor (20th century)