Purpose:Methyl 4-toluenesulfonate, also known as methyl p-toluenesulfonate, is an important organic chemical intermediate. It is mainly used in the manufacture of dyes and organic synthesis, as raw materials for the preparation and preparation of methylation, etc. Methyl 4-toluenesulfonate can also be used as a selective methylation reagent for organic synthesis, for the manufacture of dyes and organic synthesis, as a raw material for the preparation of methylation, a selective methylation reagent and catalyst for organic synthesis.