Tags: Chemical Compound, Chemical Substance.
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.