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4-Aminoazobenzene-4-sulphonic acid

Catalog Number DYE-INT-0127
CAS Number 104-23-4
Structure
Synonyms (4-Anilinoazo) benzene-4-sulfonic acid
IUPAC Name 4-[(4-aminophenyl)diazenyl]benzenesulfonic acid
Molecular Weight 277.3 g/mol
Molecular Formula C12H11N3O3S
InChI InChI=1S/C12H11N3O3S/c13-9-1-3-10(4-2-9)14-15-11-5-7-12(8-6-11)19(16,17)18/h1-8H,13H2,(H,16,17,18)
InChI Key PPVRMPPLECDING-UHFFFAOYSA-N
Melting Point 477.5 ℃
Purity 94%
Density 1.38 g/ml
Appearance Light yellow crystal powder
Isomeric SMILES C1=CC(=CC=C1N)N=NC2=CC=C(C=C2)S(=O)(=O)O

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