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Substance Name: Citrus Red 2
RN: 6358-53-8
UNII: 2QE5Y68984
InChIKey: GJUABKCEXOMRPQ-FMQUCBEESA-N

Molecular Formula

  • C18-H16-N2-O3

Molecular Weight

  • 308.335
 

Classification Codes

Classification Codes

  • Mutation Data
  • Tumor Data

Superlist Classification Code

  • Overall Carcinogenic Evaluation: Group 2B
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Names and Synonyms

Name of Substance

  • Citrus Red 2
  • Citrus Red No. 2

Synonyms

  • 1-((2,5-Dimethoxyphenyl)azo)-2-naphthalenol
  • 1-(1-(2,5-Dimethoxyphenyl)azo)-2-naphthol
  • 1-(2,5-Dimethoxyphenylazo)-2-naphthol
  • 1-(2,5-Dimethyloxyphenylazo)-2-naphthol
  • 2,5-Dimethoxy-1-(phenylazo)-2-naphthol
  • 2,5-Dimethoxybenzeneazo-beta-naphthol
  • 2-Naphthalenol, 1-((2,5-dimethoxyphenyl)azo)-
  • 2-Naphthol, 1-(2,5-dimethoxyphenylazo)-
  • BRN 4510811
  • C.I. 12156
  • C.I. Solvent Red 80
  • CCRIS 1875
  • Cerven rozpoustedlova 80
  • Cerven rozpoustedlova 80 [Czech]
  • CI 12156
  • CI Solvent Red 80
  • Citrus Red
  • Citrus Red 2
  • Citrus Red No. 2
  • EINECS 228-778-9
  • HSDB 2948
  • Solvent red 80
  • UNII-2QE5Y68984

Systematic Names

  • 1-((2,5-Dimethoxyphenyl)azo)-2-naphthol
  • 2,5-Dimethoxy-1-phenylazo-2-naphthol
  • 2-Naphthalenol, 1-((2,5-dimethoxyphenyl)azo)-
  • 2-Naphthalenol, 1-(2-(2,5-dimethoxyphenyl)diazenyl)-
  • 2-Naphthol, 1-((2,5-dimethoxyphenyl)azo)-

Superlist Names

  • 2-Naphthalenol, 1-((2,5-dimethoxyphenyl)azo)-
  • Citrus Red No. 2

Registry Numbers

CAS Registry Number

  • 6358-53-8

FDA UNII

  • 2QE5Y68984

System Generated Number

  • 0006358538

Structure Descriptors

InChI

1S/C18H16N2O3/c1-22-13-8-10-17(23-2)15(11-13)19-20-18-14-6-4-3-5-12(14)7-9-16(18)21/h3-11,21H,1-2H3/b20-19+

InChIKey

GJUABKCEXOMRPQ-FMQUCBEESA-N

Smiles

c12c(\N=N\c3c(ccc(c3)OC)OC)c(ccc1cccc2)O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 unreported > 4gm/kg (4000mg/kg)   FAO Nutrition Meetings Report Series. Vol. 46A, Pg. 30, 1969.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 156 deg C   EXP
log P (octanol-water) 5.670 (none)   EST
Atmospheric OH Rate Constant 1.13E-10 cm3/molecule-sec 25 EST

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