4-Aminoazobenzene-4''-sulfonic acid sodium salt
![iso certificate](/_next/image?url=%2Fimages%2Fcertificates%2Fiso.png&w=256&q=75)
Get a Quick Quote Now
Select Packaging
![](/_next/image?url=%2Fimages%2Fproduct-page%2Fheader_polygon.png&w=96&q=75)
Product Description
Product
4-Aminoazobenzene-4''-sulfonic acid sodium salt
CAS
2491-71-6
Formula
C12H11N3O3S.Na
Synonym
11648 Yellow; 4-Aminoazobenzene-4'-sodium sulfonate; Acid Yellow FWA; Benzenesulfonic acid, 4-((4-aminophenyl)azo)-, monosodium salt; Benzenesulfonic acid, 4-((4-aminophenyl)azo)-, sodium salt; Benzenesulfonic acid, 4-(2-(4-aminophenyl)diazenyl)-, sodium salt (1:1); Benzenesulfonic acid, p-((p-aminophenyl)azo)-, monosodium salt; Benzenesulfonic acid, p-((p-aminophenyl)azo)-, sodium salt; C.I. 13011 (VAN); C.I. Food Yellow 6 (VAN); C.I. Food Yellow 6, monosodium salt; C.I. Food Yellow 6, monosodium salt (8CI); EINECS 219-657-1; Hexacol Yellow RFS; New Yellow GMF; NSC 163072; p-(p-Aminophenyl)azobenzenesulfonic acid, sodium salt; Sodium 4'-aminoazobenzene-4-sulfonate; Sodium 4'-aminoazobenzene-4-sulphonate; Sodium aminoazobenzenesulfonate; Sodium p-(p-aminophenylazo)benzenesulfonate; UNII-Z452E7H2U8; Yellow R.I.S.; Yellow RFS
Typical Product Specifications
Molecular weight
299.29
SMILES
S(c1ccc(\N=N\c2ccc(N)cc2)cc1)(=O)(=O)[O-].[Na+]
InChI
FIXVWFINKCQNFG-WPDLWGESSA-M
InChIKey
1S/C12H11N3O3S.Na/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);/q;+1/p-1/b15-14+;
log P (octanol-water)
-1.750
Vapor Pressure
6.18E-16 mm Hg
Water solubility
1.43E+05 mg/L
Atmospheric OH Rate Constant
4.28E-11 cm3/molecule-sec
Class
4-Aminoazobenzene-4''-sulfonic acid sodium salt
![iso certificate](/_next/image?url=%2Fimages%2Fcertificates%2Fiso.png&w=256&q=75)
Product Description
Product
4-Aminoazobenzene-4''-sulfonic acid sodium salt
CAS
2491-71-6
Formula
C12H11N3O3S.Na
Synonym
11648 Yellow; 4-Aminoazobenzene-4'-sodium sulfonate; Acid Yellow FWA; Benzenesulfonic acid, 4-((4-aminophenyl)azo)-, monosodium salt; Benzenesulfonic acid, 4-((4-aminophenyl)azo)-, sodium salt; Benzenesulfonic acid, 4-(2-(4-aminophenyl)diazenyl)-, sodium salt (1:1); Benzenesulfonic acid, p-((p-aminophenyl)azo)-, monosodium salt; Benzenesulfonic acid, p-((p-aminophenyl)azo)-, sodium salt; C.I. 13011 (VAN); C.I. Food Yellow 6 (VAN); C.I. Food Yellow 6, monosodium salt; C.I. Food Yellow 6, monosodium salt (8CI); EINECS 219-657-1; Hexacol Yellow RFS; New Yellow GMF; NSC 163072; p-(p-Aminophenyl)azobenzenesulfonic acid, sodium salt; Sodium 4'-aminoazobenzene-4-sulfonate; Sodium 4'-aminoazobenzene-4-sulphonate; Sodium aminoazobenzenesulfonate; Sodium p-(p-aminophenylazo)benzenesulfonate; UNII-Z452E7H2U8; Yellow R.I.S.; Yellow RFS
Typical Product Specifications
Molecular weight
299.29
SMILES
S(c1ccc(\N=N\c2ccc(N)cc2)cc1)(=O)(=O)[O-].[Na+]
InChI
FIXVWFINKCQNFG-WPDLWGESSA-M
InChIKey
1S/C12H11N3O3S.Na/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);/q;+1/p-1/b15-14+;
log P (octanol-water)
-1.750
Vapor Pressure
6.18E-16 mm Hg
Water solubility
1.43E+05 mg/L
Atmospheric OH Rate Constant
4.28E-11 cm3/molecule-sec
Class