p-Toluenesulfonic acid monohydrate is prepared by sulfonation of toluene with concentrated sulfuric acid in a Dean Stark setup for water removal. The. The synthesis methods of p-toluenesulfonic acid Sulfonation agent used in sulfonation reaction: fuming sulfuric acid, sulfuric acid, sulfur oxide, sulphur dioxide. p-Toluenesulfonic acid (PTSA or pTsOH) or tosylic acid (TsOH). TsOH finds use in organic synthesis as an organic-soluble acid catalyst. Examples of uses include: p-Toluenesulfonic acid, with a pK a of -2.8. Toluenesulfonic acid, a widely used reagent in organic synthesis. Nafion, a polymeric sulfonic acid useful in fuel cells. p-Toluenesulfonic acid monohydrate, ReagentPlus. Chemical Synthesis, Chromatography, Analytical and many others. Contact Technical Service. p-TOLUENESULFONIC ACID. Toluenesulfonate esters are useful for the application as alkylating agents in organic synthesis. p-Toluenesulfonic acid is used as a. E-Mail Address. Password. Forgotten Password? Remember Me Synthesis of Toluene sulfonic acid. In this video, ill will be going over the synthesis of this strong organic acid p-Toluenesulfonic acid monohydrate, an oxonium salt, is an inexpensive and easy to handle organic catalyst used in organic synthesis. The preparative procedures provided by PrepChem.com are intended for use ONLY by persons WITH PRIOR TRAINING in the field of CHEMISTRY. Although all syntheses are.