3,5-Diamino-4-methylbenzenesulfonic acid(CAS: 98-25-9)

3,5-Diamino-4-methylbenzenesulfonic acid (CAS: 98-25-9) is a white crystalline solid with a molecular weight of approximately 216.21 g/mol. It has a solubility of about 10 g/L in water at 25°C. This compound exhibits basic properties due to its amino groups and is known for its reactivity in coupling reactions and its ability to form complexes with metal ions.

3,5-Diamino-4-methylbenzenesulfonic acid (CAS: 98-25-9) is typically synthesized through a multi-step process involving the sulfonation of 4-methylbenzene, followed by the coupling of the sulfonic acid with diamines. Commonly used catalysts include sulfuric acid, and the reaction is optimized for high selectivity and yield, often achieved through careful control of temperature and reagent concentration.

3,5-Diamino-4-methylbenzenesulfonic acid (CAS: 98-25-9) is used in various industries. It is a key intermediate in the pharmaceutical and chemical industries, where it is utilized in the synthesis of dyes, pharmaceuticals, and functional materials. It also finds applications in the polymer industry for the production of high-performance polymers and as a monomer. In addition, it is used in the production of sensors and semiconductors due to its electronic properties.

When handling 3,5-Diamino-4-methylbenzenesulfonic acid (CAS: 98-25-9), it is important to wear personal protective equipment (PPE) such as gloves, goggles, and a lab coat to prevent skin and eye contact. The compound should be used in a well-ventilated area or a fume hood to avoid inhalation. In case of a spill, it should be immediately cleaned up with caution, and the area should be well-ventilated. Safety data sheets (SDS) are essential for reference and should be consulted before handling the compound.