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Home/Compounds/Food Additive/Allura Red AC
C18H14N2Na2O8S2
496.4 g/mol
Food Additive

E129

CAS25956-17-6EC247-368-0
Category
Food Additive
Compound Class
Aromatic
Primary Use
food color additive

Allura Red AC is a synthetic naphthalenesulfonic acid dye primarily used as a food color additive. It provides a red hue to various food products and is also employed in commercial and institutional applications.

Color additive in food productsPigment in consumer products

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

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Food dye and pigment

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Identifiers
IUPAC Name

disodium;6-hydroxy-5-[(2-methoxy-5-methyl-4-sulfonatophenyl)diazenyl]naphthalene-2-sulfonate

InChIKey

CEZCCHQBSQPRMU-UHFFFAOYSA-L

SMILES

CC1=CC(=C(C=C1S(=O)(=O)[O-])OC)N=NC2=C(C=CC3=C2C=CC(=C3)S(=O)(=O)[O-])O.[Na+].[Na+]

Synonyms (44)
  • E129
  • 763 - Colours
  • ALLURA RED AC [MART.]
  • ALLURA RED C.I.16035
  • Allura Red
  • Allura Red 40
  • Allura Red AC
  • Allura Red AC (E 129)
  • Allura Red AC, Dye content
  • Allura red AC dye
  • C.I. Food Red 17
  • Curry red
  • D&C RED NO. 40
  • F D & C RED #40 LAKE
  • FD and C Red No. 40
  • FD&C Red No. 40
  • FDC Red 40
  • FDC Red 40 dye
  • Fancy Red
  • Food Red No. 40
  • Food red 17
  • INS NO.129
  • Japan Food Red No. 40
  • Japan Red 40
  • Red 40
  • Red No. 40