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Substance Name: FD&C Yellow No. 4
RN: 131-79-3
UNII: QE535CBH7S
InChIKey: BWLVSYUUKOQICP-FMQUCBEESA-N

Molecular Formula

  • C17-H15-N3

Molecular Weight

  • 261.327
 

Classification Codes

Classification Codes

  • Mutation Data
  • Tumor Data

Superlist Classification Code

  • Overall Carcinogenic Evaluation: Group 3
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Names and Synonyms

Results Name

  • FD&C Yellow No. 4

Name of Substance

  • Yellow OB

Synonyms

  • 1-(2-Methylphenyl)azo-2-naphthalenamine
  • 1-(2-Methylphenyl)azo-2-naphthylamine
  • 1-(o-Tolylazo)-2-naphthylamine
  • 2-Naphthylamine, 1-(o-tolylazo)-
  • 4-16-00-00552 (Beilstein Handbook Reference)
  • A.F. Yellow No. 3
  • AI3-30762
  • BRN 0658385
  • C.I. 11390
  • C.I. Food Yellow 11
  • C.I. Solvent Yellow 6
  • Cerisol Yellow TB
  • Dolkwal Yellow OB
  • EINECS 205-039-9
  • Ext D and C Yellow No. 10
  • Ext. D & C Yellow No. 10
  • FD & C Yellow 4
  • FD & C Yellow No. 4
  • FD and C Yellow No. 4
  • HSDB 8010
  • Jaune OB
  • NSC 11234
  • o-Toluene-1-azo-2-naphthylamine
  • Oil Yellow OB
  • Oil Yellow OB Pure
  • UNII-QE535CBH7S
  • Yellow OB
  • Zlut maselna OB
  • Zlut maselna OB [Czech]
  • Zlut rozpoustedlova 6
  • Zlut rozpoustedlova 6 [Czech]

Systematic Names

  • 1-((2-Methylphenyl)azo)naphthalen-2-amine
  • 2-Naphthalenamine, 1-((2-methylphenyl)azo)-
  • 2-Naphthylamine, 1-(o-tolylazo)-
  • C.I. Solvent Yellow 6 (8CI)

Superlist Name

  • Yellow OB

Registry Numbers

CAS Registry Number

  • 131-79-3

FDA UNII

  • QE535CBH7S

System Generated Number

  • 0000131793

Structure Descriptors

InChI

1S/C17H15N3/c1-12-6-2-5-9-16(12)19-20-17-14-8-4-3-7-13(14)10-11-15(17)18/h2-11H,18H2,1H3/b20-19+

InChIKey

BWLVSYUUKOQICP-FMQUCBEESA-N

Smiles

c12c(\N=N\c3c(cccc3)C)c(ccc1cccc2)N

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LDLo oral 1gm/kg (1000mg/kg)   "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1315, 1986.
rabbit LDLo intraperitoneal 1gm/kg (1000mg/kg)   Journal of Biological Chemistry. Vol. 27, Pg. 403, 1916.
rabbit LDLo oral 1gm/kg (1000mg/kg)   Journal of Biological Chemistry. Vol. 27, Pg. 403, 1916.
rabbit LDLo subcutaneous 1gm/kg (1000mg/kg)   Journal of Biological Chemistry. Vol. 27, Pg. 403, 1916.
rat LD50 oral 120mg/kg (120mg/kg)   "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1315, 1986.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 125.5 deg C   EXP
log P (octanol-water) 5.320 (none)   EST
Atmospheric OH Rate Constant 5.03E-11 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.