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.
D 2095 (OTTO) Dimethyl sulphate, 98% Cas 77-78-1 - used as sulphonating agent, in manufacturing of azodyes, reactive dyes, pharmaceuticals.