2-Toluenesulfonic acid(CAS: 88-20-0)

2-Toluenesulfonic acid is an organic compound with the chemical formula C7H7SO3H. It is a monosulfonic acid derivative of toluene. This compound is commonly used as an analytical reagent and in organic synthesis.

2-Toluenesulfonic acid is primarily used as a catalyst in various organic chemical reactions, particularly in the esterification of carboxylic acids. It is also employed in the production of pharmaceuticals and dyes, and as an analytical reagent for the determination of carboxylic acids.

2-Toluenesulfonic acid is generally safe when used under proper conditions. However, it is corrosive and may cause skin and eye irritation. Protective gloves and safety goggles should be worn when handling this compound. It is also important to avoid contact with heat sources and to ensure proper ventilation.

2-Toluenesulfonic acid should be stored in a cool, dry place away from direct sunlight and heat sources. It should be kept in well-closed, acid-resistant containers to prevent contamination. Avoid exposure to moisture and maintain a temperature below 30°C to prevent decomposition.