Synonyms: 4-Aminobenzenesulfonic acid; Aniline-4-sulfonic acid
Formula: 4-(H2N)C6H4SO3H
Formula Weight: 173.19
CAS No.: 121-57-3
Purity: ≥99.0% (T)
Anion Traces: sulfate (SO42-): ≤50 mg/kg
Assay: ≥99.0% (T)
Cation Traces: Co: ≤5 mg/kg
Grade: puriss. p.a.
Ign. Residue: ≤0.01% (as SO4)
Impurities: ≤1% ortho/meta-aminobenzene sulfonic acid (HPLC)
MP: >300°C(lit.)