2-Amino-3,5-dimethylbenzenesulfonic acid(CAS: 88-22-2)

2-Amino-3,5-dimethylbenzenesulfonic acid is a white crystalline solid with a molecular weight of approximately 229.25 g/mol. It is slightly soluble in water and more soluble in polar solvents. The compound exhibits good reactivity towards nucleophilic substitution reactions. It is often used in the synthesis of medicinal compounds and as a pH indicator.

2-Amino-3,5-dimethylbenzenesulfonic acid is commonly synthesized by reacting 3,5-dimethylbenzenesulfonic acid with ammonia. This process involves the substitution of a hydrogen atom on the sulfonic acid group with an amino group. The reaction is typically carried out in the presence of a catalyst such as p-toluenesulfonic acid to enhance selectivity and yield.

2-Amino-3,5-dimethylbenzenesulfonic acid is widely used in the pharmaceutical industry for the synthesis of various medicinal compounds. It is also utilized in the polymer industry as a functional monomer, in the sensor industry for detecting specific analytes, and in the semiconductor industry for etching and cleaning processes.

When handling 2-Amino-3,5-dimethylbenzenesulfonic acid, it is essential to wear appropriate personal protective equipment (PPE) such as gloves, safety glasses, and a lab coat. Work should be conducted in a well-ventilated area or a fume hood. Spills should be addressed promptly with absorbent materials and cleaned up according to the safety data sheet (SDS) guidelines. Proper storage in a cool, dry place away from oxidizing agents is also recommended.