CAS Registry Number

CAS 88-63-1 — 2,4-Diaminobenzenesulfonic acid

2,4-Diaminobenzenesulfonic acid is an aromatic sulfonic acid derivative primarily used as a key intermediate in dye synthesis, pharmaceuticals, and agrochemical production. It serves as a precursor for azo dyes, pigments, and other specialty chemicals. This solid compound has a CAS number of 88-63-1, with the molecular formula C6H8N2O3S and a molecular weight of 188.2043 g/mol. It is stable under ambient storage conditions and carries no signal word for hazard classification. Molekula supplies 2,4-Diaminobenzenesulfonic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.