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Substance Name: Allura Red AC dye
RN: 25956-17-6
UNII: WZB9127XOA
InChIKey: CEZCCHQBSQPRMU-LLIZZRELSA-L

Note

  • New monoazo dye proposed as color additive in various food products.

Molecular Formula

  • C18-H16-N2-O8-S2.2Na

Molecular Weight

  • 496.4266
 

Classification Codes

  • Coloring Agents
  • Food Additives
  • Food Coloring Agents
  • Mutation Data
  • Reproductive Effect
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Names and Synonyms

Name of Substance

  • 2-Naphthalenesulfonic acid, 6-hydroxy-5-((2-methoxy-5-methyl-4-sulfophenyl)azo)-, disodium salt
  • 6-Hydroxy-5-((2-methoxy-5-methyl-4-sulfophenyl)azo)-2-naphthalene- sulfonic acid, disodium salt
  • Allura Red AC Dye
  • CI 16035
  • Curry red
  • Disodium 6-hydroxy-5-((2-methoxy-5-methyl-4-sulfophenyl)azo)-2-naphthalene- sulfonate
  • FD & C Red no. 40
  • Food Red 17

Synonyms

  • 2-Naphthalenesulfonic acid, 6-hydroxy-5-((2-methoxy-5-methyl-4-sulfophenyl)azo)-, disodium salt
  • 2-Naphthalenesulfonic acid, 6-hydroxy-5-((6-methoxy-4-sulfo-m-tolyl)azo)-, disodium salt
  • Allura Red
  • Allura Red 40
  • Allura Red AC
  • Allura Red AC Dye
  • C. I. 16035
  • C.I. Food Red 17
  • CCRIS 3493
  • Disodium 6-hydroxy-5-((2-methoxy-5-methyl-4-sulfophenyl)azo)-2-naphthalenesulfonate
  • Disodium 6-hydroxy-5-((6-methoxy-4-sulfo-m-tolyl)azo)-2-naphthalenesulfonate
  • E 129
  • EC 247-368-0
  • EINECS 247-368-0
  • Fancy Red
  • FD and C Red No. 40
  • FD&C Red No. 40
  • FDC Red 40
  • Food Red 17
  • Food Red No. 40
  • HSDB 7260
  • Japan Food Red No. 40
  • Japan Red 40
  • Red 40
  • Red No. 40
  • UNII-WZB9127XOA

Systematic Names

  • 2-Naphthalenesulfonic acid, 6-hydroxy-5-((2-methoxy-5-methyl-4-sulfophenyl)azo)-, disodium salt
  • 2-Naphthalenesulfonic acid, 6-hydroxy-5-((6-methoxy-4-sulfo-m-tolyl)azo)-, disodium salt
  • 2-Naphthalenesulfonic acid, 6-hydroxy-5-(2-(2-methoxy-5-methyl-4-sulfophenyl)diazenyl)-, sodium salt (1:2)
  • Disodium 6-hydroxy-5-((2-methoxy-4-sulphonato-m-tolyl)azo)naphthalene-2-sulphonate
  • FD&C Red No. 40

Superlist Names

  • 2-Naphthalenesulfonic acid, 6-hydroxy-5-((2-methoxy-5-methyl-4-sulfophenyl)azo)-, disodium salt
  • FD&C Red No. 40

Registry Numbers

CAS Registry Number

  • 25956-17-6

FDA UNII

  • WZB9127XOA

Other Registry Numbers

  • 64553-31-7
  • 66813-73-8

System Generated Number

  • 0025956176

Molecular Formulas

Molecular Formula

  • C18-H16-N2-O8-S2.2Na

Molecular Formula Fragments

  • C18-H16-N2-O8-S2
  • COMPONENT
  • Na

Structure Descriptors

InChI

1S/C18H16N2O8S2.2Na/c1-10-7-14(16(28-2)9-17(10)30(25,26)27)19-20-18-13-5-4-12(29(22,23)24)8-11(13)3-6-15(18)21;;/h3-9,21H,1-2H3,(H,22,23,24)(H,25,26,27);;/q;2*+1/p-2/b20-19+;;

InChIKey

CEZCCHQBSQPRMU-LLIZZRELSA-L

Smiles

c12c(cc(cc2)S(=O)(=O)[O-])ccc(c1/N=N/c1c(cc(c(c1)C)S(=O)(=O)[O-])OC)O.[Na+].[Na+]

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
dog LD50 oral > 5gm/kg (5000mg/kg)   Food and Chemical Toxicology. Vol. 27, Pg. 701, 1989.
rabbit LD50 skin > 10gm/kg (10000mg/kg)   Food and Chemical Toxicology. Vol. 27, Pg. 701, 1989.
rat LD50 oral > 10gm/kg (10000mg/kg)   Food and Chemical Toxicology. Vol. 27, Pg. 701, 1989.

Physical Properties

Physical Property Value Units Temp (deg C) Source
log P (octanol-water) -0.550 (none)   EST
Water Solubility 2.25E+05 mg/L 25 EXP
Atmospheric OH Rate Constant 7.05E-12 cm3/molecule-sec 25 EST

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