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23481-28-9 4-[(4-hydroxy-1-naphthyl)azo]naphthalenesulphonic acid

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Product Name 4-[(4-hydroxy-1-naphthyl)azo]naphthalenesulphonic acid
CAS No. 23481-28-9
Synonyms 1-Naphthalenesulfonic acid, 4-(2-(4-hydroxy-1-naphthalenyl)diazenyl)-; 1-Naphthalenesulfonic acid, 4-((4-hydroxy-1-naphthalenyl)azo)-; 4-((4-Hydroxy-1-naphthyl)azo)naphthalenesulphonic acid; 4-[(2E)-2-(4-oxonaphthalen-1(4H)-ylidene)hydrazino]naphthalene-1-sulfonic acid; 4-[(4-hydroxy-1-naphthyl)azo]naphthalene-1-sulfonic acid
InChI InChI=1/C20H14N2O4S/c23-19-11-9-17(13-5-1-3-7-15(13)19)21-22-18-10-12-20(27(24,25)26)16-8-4-2-6-14(16)18/h1-12,23H,(H,24,25,26)
Molecular Formula C20H14N2O4S
Molecular Weight 378.4012
Density 1.42g/cm3
Refractive index 1.698