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Substance Name: C.I. Acid Yellow 9
RN: 2706-28-7
UNII: DBA6V571CO
InChIKey: FPVGTPBMTFTMRT-NSKUCRDLSA-L

Molecular Formulas

  • C12-H11-N3-O6-S2.2Na
  • C12-H9-N3-O6-S2.2Na

Molecular Weight

  • 401.3301
 
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Names and Synonyms

Results Name

  • C.I. Acid Yellow 9

Name of Substance

  • Acid Yellow 9
  • Benzenesulfonic acid, 2-amino-5-((4-sulfophenyl)azo)-, disodium salt
  • CI 13015
  • Disodium 2-amino-5-((4-sulfophenyl)azo)benzenesulfonate

Synonyms

  • 4-Aminoazobenzene-3,4'-disulfonic acid disodium salt
  • Acetyl Yellow G
  • Acid Yellow
  • Acid Yellow 9
  • Acid Yellow AT
  • Acid Yellow G
  • Acid Yellow G KOND
  • Acid Yellow Geigy
  • Acilan Yellow Extra
  • Amacid Yellow RG
  • Aniline Yellow (biological stain)
  • Aniline Yellow (Biological stain) (VAN)
  • C.I. 13015
  • C.I. Acid Yellow 9
  • C.I. Food Yellow 2
  • Cilefa Yellow R
  • Disodium 4-aminoazobenzene-3,4'-disulfonate
  • E 105 (dye)
  • EINECS 220-293-0
  • Fast yellow
  • Fast Yellow AB
  • Fast Yellow Extra
  • Fast Yellow Extra Specially Pure
  • Fast Yellow S
  • Fast Yellow S Extra Specially Pure
  • Fast Yellow SX Extra Specially Pure
  • Fast Yellow Y
  • Food Yellow 2
  • Golden Yellow Ruaf
  • Hexacol Acid Yellow G
  • Kiton Yellow Extra
  • Lacquer Yellow T
  • NSC 7568
  • UNII-DBA6V571CO
  • Wool Yellow G
  • Yellow acid
  • Yellow Fast
  • Zlut kysela 9
  • Zlut kysela 9 [Czech]
  • Zlut potravinarska 2
  • Zlut potravinarska 2 [Czech]

Systematic Names

  • Benzenesulfonic acid, 2-amino-5-((4-sulfophenyl)azo)-, disodium salt
  • Benzenesulfonic acid, 2-amino-5-(2-(4-sulfophenyl)diazenyl)-, sodium salt (1:2)
  • C.I. Acid Yellow 9, disodium salt (8CI)
  • Disodium 2-amino-5-((4-sulphonatophenyl)azo)benzenesulphonate

Registry Numbers

CAS Registry Number

  • 2706-28-7

FDA UNII

  • DBA6V571CO

Other Registry Number

  • 56449-60-6

System Generated Number

  • 0002706287

Molecular Formulas

Molecular Formulas

  • C12-H11-N3-O6-S2.2Na
  • C12-H9-N3-O6-S2.2Na

Molecular Formula Fragments

  • C12-H11-N3-O6-S2
  • C12-H9-N3-O6-S2
  • COMPONENT
  • Na

Structure Descriptors

InChI

1S/C12H11N3O6S2.2Na/c13-11-6-3-9(7-12(11)23(19,20)21)15-14-8-1-4-10(5-2-8)22(16,17)18;;/h1-7H,13H2,(H,16,17,18)(H,19,20,21);;/q;2*+1/p-2/b15-14+;;

InChIKey

FPVGTPBMTFTMRT-NSKUCRDLSA-L

Smiles

S(=O)(=O)(c1cc(/N=N/c2ccc(S(=O)(=O)[O-])cc2)ccc1N)[O-].[Na+].[Na+]

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 intraperitoneal 2gm/kg (2000mg/kg)   "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1312, 1986.
rat LD50 intravenous 2500mg/kg (2500mg/kg)   "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1312, 1986.