3-Amino-1,5-naphthalenedisulfonic acid(CAS: 131-27-1)

3-Amino-1,5-naphthalenedisulfonic acid (CAS: 131-27-1) is a crystalline solid with a molecular weight of approximately 243.19 g/mol. It is poorly soluble in water and moderately soluble in organic solvents. Chemically, it is a strong acid and shows high reactivity in acidic conditions. It is commonly used as a pH indicator, dye, and in chemical analyses.

3-Amino-1,5-naphthalenedisulfonic acid (CAS: 131-27-1) is typically synthesized by the sulfonation of 1,5-naphthalenedisulfonic acid followed by alkylation and reduction. Common catalysts include sulfuric acid and hydrogen bromide. The process yields a product with high purity and selectivity.

3-Amino-1,5-naphthalenedisulfonic acid (CAS: 131-27-1) is primarily used in the pharmaceutical industry for drug synthesis and analysis. It also finds applications in the dye industry, textile manufacturing, and as a pH indicator in analytical chemistry.

When handling 3-Amino-1,5-naphthalenedisulfonic acid (CAS: 131-27-1), use personal protective equipment (PPE) including gloves, goggles, and a lab coat. Work in a well-ventilated area or fume hood to avoid inhalation. Store the compound in a cool, dry place away from ignition sources. In case of spill, clean up carefully and consult a safety data sheet (SDS) for detailed instructions.