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Reference substances

Reference substances

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General information

Inventory

EC number:
211-199-0
EC name:
Sodium 4-[(2-hydroxy-1-naphthyl)azo]benzenesulphonate
CAS number:
633-96-5

No inventory information available

Reference substance information

IUPAC name:
sodium 4-[(2-hydroxy-1-naphthyl)diazenyl]benzenesulfonate
Synonyms
Names:
Identifier:
Colour Index
CI 15510
Identifier:
common name
Acid Orange 7

CAS information

CAS number:
633-96-5

Molecular and structural information

Molecular formula:
C16H12N2O4S.Na
Molecular weight:
350.329
SMILES notation:
c12c(\N=N\c3ccc(S(=O)(=O)[O-])cc3)c(ccc1cccc2)O.[Na+]
InChl:
1S/C16H12N2O4S.Na/c19-15-10-5-11-3-1-2-4-14(11)16(15)18-17-12-6-8-13(9-7-12)23(20,21)22;/h1-10,19H,(H,20,21,22);/q;+1/p-1/b18-17+;
Structural formula:
Chemical structure