5-Amino-2-anilinobenzenesulfonic acid(CAS: 91-30-5)

5-Amino-2-anilinobenzenesulfonic acid (CAS: 91-30-5) is a crystalline solid with a molecular weight of approximately 234.24 g/mol. It is slightly soluble in water and more soluble in organic solvents like ethanol. Chemically, it is a reactive compound, showing basic properties due to the amino group and can participate in various reactions such as coupling reactions and condensation reactions.

5-Amino-2-anilinobenzenesulfonic acid (CAS: 91-30-5) is typically synthesized through a multi-step process. First, aniline and benzenesulfonyl chloride undergo a substitution reaction in the presence of a base like sodium hydroxide. Then, the intermediate product undergoes an amine coupling reaction to form the target compound. The process yields a product with a purity of about 98%, with minor side products.

5-Amino-2-anilinobenzenesulfonic acid (CAS: 91-30-5) is used in various industries. It is a key intermediate in the synthesis of dyes and pigments, pharmaceuticals, and as a component in certain analytical reagents. Additionally, it plays a role in the development of sensors and in the production of some semiconductors.

When handling 5-Amino-2-anilinobenzenesulfonic acid (CAS: 91-30-5), it is essential to wear appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. Work in a well-ventilated area or a fume hood to prevent inhalation of fumes. Spills should be cleaned up with appropriate absorbents, and the area should be decontaminated. Always refer to the Safety Data Sheet (SDS) for detailed safety information and emergency procedures.