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Substance Name: FD&C Red No. 4
RN: 4548-53-2
UNII: X3W0AM1JLX
InChIKey: ONTQJDKFANPPKK-LLIZZRELSA-L

Molecular Formulas

  • C18-H14-N2-O7-S2.2Na
  • C18-H16-N2-O7-S2.2Na

Molecular Weight

  • 480.4276
 

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 Red No. 4

Name of Substance

  • 1-Naphthalenesulfonic acid, 3-((2,4-dimethyl-5-sulfophenyl)azo)-4-hydroxy-, disodium salt
  • 3-((2,4-Dimethyl-5-sulfophenyl)azo)-4-hydroxy-1-naphthalenesulfon- ic acid, disodium salt
  • CI 14700
  • FD & C Red No. 4
  • Food Red 1
  • Ponceau SX

Synonyms

  • 1-Naphthalenesulfonic acid, 3-((2,4-dimethyl-5-sulfophenyl)azo)-4-hydroxy-, disodium salt
  • 12101 Red
  • 1306 Red
  • 2-(6-Sulfo-2,4-xylylazo)-1-naphthol-4-sulfonic acid, disodium salt
  • 2-(6-Sulpho-2,4-xylylazo)-1-naphthol-4-sulphonic acid, disodium salt
  • 3-((2,4-Dimethyl-5-sulfophenyl)azo)-4-hydroxy-1-naphthalenesulfonic acid, disodium salt
  • 3-((2,4-Dimethyl-5-sulphophenyl)azo)-4-hydroxy-1-naphthalenesulphonic acid, disodium salt
  • 4-Hydroxy-3-((5-sulfo-2,4-xylyl)azo)-1-naphthalenesulfonic acid, disodium salt
  • 4-Hydroxy-3-((5-sulpho-2,4-xylyl)azo)-1-naphthalenesulphonic acid, disodium salt
  • 4R purple
  • C.I. 14700
  • C.I. Food Red 1
  • C.I. Food Red 1, disodium salt
  • CCRIS 3188
  • Certicol Ponceau SXS
  • Cerven potravinarska 1
  • Cerven potravinarska 1 [Czech]
  • Crimson 4R
  • D&C Red No. 4
  • Disodium 2-(5-sulfo-2,4-xylylazo)-1-naphthol-4-sulfonate
  • Disodium 3-((2,4-dimethyl-5-sulfophenyl)azo)-4-hydroxy-1-naphthalenesulfonate
  • Dye FD & C Red No. 4
  • Dye FD and C Red No. 4
  • Edicol Supra Ponceau SX
  • EINECS 224-909-9
  • Ext. D&C Red No. 24
  • FD & C Red No. 4
  • FD and C Red No. 4
  • FD&C Red No. 4
  • FD&C Red No. 4 - Aluminium Lake
  • Food Red 1
  • Food Red 4
  • Hexacol Ponceau SX
  • Maple Ponceau SX
  • Ponceau SX
  • Ponceau SX Lake
  • Purple 4R
  • Red Lake 89865N
  • Red No. 1
  • Red No. 4
  • Red shade #24
  • UNII-X3W0AM1JLX
  • Usacert FD & C Red No. 4
  • Usacert Red No. 4

Systematic Names

  • 1-Naphthalenesulfonic acid, 3-((2,4-dimethyl-5-sulfophenyl)azo)-4-hydroxy-, disodium salt
  • 1-Naphthalenesulfonic acid, 3-(2-(2,4-dimethyl-5-sulfophenyl)diazenyl)-4-hydroxy-, sodium salt (1:2)
  • 1-Naphthalenesulfonic acid, 4-hydroxy-3-((6-sulfo-2,4-xylyl)azo)-, disodium salt
  • C.I. Food Red 1
  • Disodium 3-((2,4-dimethyl-5-sulphonatophenyl)azo)-4-hydroxynaphthalene-1-sulphonate

Superlist Names

  • C.I. Food Red 1, disodium salt
  • FD&C Red No. 4
  • Ponceau SX

Registry Numbers

CAS Registry Number

  • 4548-53-2

FDA UNII

  • X3W0AM1JLX

System Generated Number

  • 0004548532

Molecular Formulas

Molecular Formulas

  • C18-H14-N2-O7-S2.2Na
  • C18-H16-N2-O7-S2.2Na

Molecular Formula Fragments

  • C18-H14-N2-O7-S2
  • C18-H16-N2-O7-S2
  • COMPONENT
  • Na

Structure Descriptors

InChI

1S/C18H16N2O7S2.2Na/c1-10-7-11(2)16(28(22,23)24)8-14(10)19-20-15-9-17(29(25,26)27)12-5-3-4-6-13(12)18(15)21;;/h3-9,21H,1-2H3,(H,22,23,24)(H,25,26,27);;/q;2*+1/p-2/b20-19+;;

InChIKey

ONTQJDKFANPPKK-LLIZZRELSA-L

Smiles

[Na+].[Na+].Cc1cc(C)c(cc1N=Nc2cc(c3ccccc3c2O)S(=O)(=O)[O-])S(=O)(=O)[O-]

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 oral > 2gm/kg (2000mg/kg)   Merck Index. Vol. 11, Pg. 1209, 1989.

Physical Properties

Physical Property Value Units Temp (deg C) Source
log P (octanol-water) -0.080 (none)   EST
Atmospheric OH Rate Constant 5.25E-12 cm3/molecule-sec 25 EST

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