Category:
Other Specialized Reagents
CAS NO:
10580-19-5
Standard:
USP,
Sodium 4-hydroxybenzenesulfonate dihydrate is a key intermediate synthesized via sulfonation of phenol followed by neutralization. Its molecular formula is C6H5NaO4S·2H2O (CAS No. 1978-16-3). This white crystalline powder serves as a fundamental building block in dye and pharmaceutical synthesis.
Store in cool, dry conditions away from moisture. Avoid inhalation of dust; wear PPE including gloves and eye protection. Not approved for direct clinical use without further formulation.