Methyl bisulfate is a chemical compound with the molecular formula CH3OSO3H. This compound is the mono-methyl ester of sulfuric acid. The significance of methyl bisulfate is that it is an intermediate in the hydrolysis of the important reagent dimethyl sulfate, (CH3)2SO4: Methyl bisulfate is an acid: Methyl bisulfate came into the public view in 1...