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Substance Name: Brown FK
RN: 8062-14-4
InChIKey: YJCJAUSWVUZMSY-MZYRGYHOSA-K

Note

  • Mixture of 2,4-diamino-5-(p-sulfophenylazo)toluene and 1,3-diamino-4,6-bis(p-sulfophenylazo)benzene.

Classification Code

  • Mutation Data

Molecular Formula

  • C18-H14-N6-O6-S2.C13-H13-N4-O3-S.3Na

Molecular Weight

  • 848.783
 
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Names and Synonyms

Name of Substance

  • Brown FK

Synonyms

  • 1545 Brown
  • Brown FK
  • C.I. Food Brown 1
  • EEC No. 124
  • Golden Brown RK-FQ

Systematic Name

  • Benzenesulfonic acid, 4,4'-((4,6-diamino-m-phenylene)bis(azo))di-, disodium salt, mixed with p-((4,6-diamino-m-tolyl)azo)benzenesulfonic acid, sodium salt

Registry Numbers

CAS Registry Number

  • 8062-14-4

System Generated Number

  • 0008062144

Molecular Formulas

Molecular Formula

  • C18-H14-N6-O6-S2.C13-H13-N4-O3-S.3Na

Molecular Formula Fragments

  • C13-H13-N4-O3-S
  • C18-H14-N6-O6-S2
  • COMPONENT
  • Na

Structure Descriptors

InChI

1S/C18H16N6O6S2.C13H14N4O3S.3Na/c19-15-9-16(20)18(24-22-12-3-7-14(8-4-12)32(28,29)30)10-17(15)23-21-11-1-5-13(6-2-11)31(25,26)27;1-8-6-13(12(15)7-11(8)14)17-16-9-2-4-10(5-3-9)21(18,19)20;;;/h1-10H,19-20H2,(H,25,26,27)(H,28,29,30);2-7H,14-15H2,1H3,(H,18,19,20);;;/q;;3*+1/p-3/b23-21+,24-22+;17-16+;;;

InChIKey

YJCJAUSWVUZMSY-MZYRGYHOSA-K

Smiles

S(c1ccc(\N=N\c2cc(c(N)cc2N)\N=N\c2ccc(cc2)S(=O)(=O)[O-])cc1)(=O)(=O)[O-].[Na+].[Na+].[Na+].S(c1ccc(\N=N\c2cc(C)c(cc2N)N)cc1)(=O)(=O)[O-]

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral > 2gm/kg (2000mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

SKIN AND APPENDAGES (SKIN): HAIR: OTHER
Food and Cosmetics Toxicology. Vol. 6, Pg. 1, 1968.
mouse LDLo intraperitoneal 1500mg/kg (1500mg/kg) SKIN AND APPENDAGES (SKIN): HAIR: OTHER

BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY)
Food and Cosmetics Toxicology. Vol. 6, Pg. 1, 1968.
rat LDLo intraperitoneal 750mg/kg (750mg/kg)   Food and Cosmetics Toxicology. Vol. 6, Pg. 1, 1968.
rat LDLo oral 4gm/kg (4000mg/kg) SKIN AND APPENDAGES (SKIN): HAIR: OTHER

BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY)
Food and Cosmetics Toxicology. Vol. 6, Pg. 1, 1968.