Benzenesulfonic acid, 2-amino-5-(2-(4-sulfophenyl)diazenyl)-, sodium salt (1:?)

disodium;2-amino-5-[(4-sulfonatophenyl)diazenyl]benzenesulfonate

Also Known As: Fast Yellow AB|Yellow acid|Fast yellow|Acid Yellow|Acid yellow 9|Yellow Fast|Cilefa Yellow R|Fast Yellow S|Fast Yellow Y|Wool Yellow G|Lacquer Yellow T|Acid Yellow AT|Amacid Yellow RG|Acid Yellow Geigy|Fast Yellow Extra|Food Yellow 2|Acetyl Yellow G|Golden Yellow Ruaf|Kiton Yellow Extra|Acid Yellow G|Acilan Yellow Extra|C.I. Acid Yellow 9|acetyl yellow|Zlut kysela 9|Hexacol Acid Yellow G|Acid Yellow G KOND|C.I. Food Yellow 2|Fast Yellow G|Zlut potravinarska 2|Zlut kysela 9 [Czech]|ANILINE YELLOW|E 105 (dye)|Zlut potravinarska 2 [Czech]|Fast Yellow Extra Specially Pure|Aniline Yellow (biological stain)|CI 13015|C.I. Acid Yellow 9, disodium salt|Fast Yellow S Extra Specially Pure|EINECS 220-293-0|Fast Yellow SX Extra Specially Pure

Molecular Formula	C12H9N3Na2O6S2
Molecular Weight	400.9728 g/mol
LogP	-4.5
Topological Polar Surface Area	165.14 Ų
Hydrogen Bond Donors	1
Hydrogen Bond Acceptors	9
Rotatable Bonds	4
Exact Mass	400.9728
Heavy Atoms	25
Complexity	976.4

Chemical Identifiers

CAS Number	2706-28-7
SMILES	C1=CC(=CC=C1N=NC2=CC(=C(C=C2)N)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]