Disodium 5-amino-4-hydroxy-3-[(E)-phenyldiazenyl]-2,7-naphthalenedisulfonate(CAS: 3567-66-6)

Disodium 5-amino-4-hydroxy-3-[(E)-phenyldiazenyl]-2,7-naphthalenedisulfonate is a crystalline compound with a molecular weight of approximately 554.3 g/mol. It has a high solubility in water and a relatively low reactivity under normal conditions. This compound is stable under acidic and neutral conditions but may react with bases. It has an absorption maximum in the UV-visible region, making it useful in spectroscopic applications.

Disodium 5-amino-4-hydroxy-3-[(E)-phenyldiazenyl]-2,7-naphthalenedisulfonate is usually synthesized through diazo coupling reactions involving naphthalenedisulfonic acid and phenyl diazonium salts. The synthesis typically requires mild heating and is conducted in an aqueous medium. The process has good yield and selectivity, making it a viable method for commercial production.

Disodium 5-amino-4-hydroxy-3-[(E)-phenyldiazenyl]-2,7-naphthalenedisulfonate is used in various industries, including pharmaceuticals for its colorimetric properties, sensors for detecting specific analytes in chemical analysis, and as a dye for textiles. It is also used in the printing industry for its colorfastness and stability.

When handling Disodium 5-amino-4-hydroxy-3-[(E)-phenyldiazenyl]-2,7-naphthalenedisulfonate, it is important to use personal protective equipment (PPE) such as gloves and safety goggles. Spills should be handled in a well-ventilated area, and the material safety data sheet (MSDS) should be consulted for detailed information. This compound should be stored in a cool, dry place away from strong acids and bases. In case of accidental ingestion or exposure, medical attention should be sought immediately.