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SHEET /m/allura-red-ac · PubChem CID 33258 · CAS 25956-17-6 · REV 2026.07

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Allura Red AC

from source

C18H14N2Na2O8S2 · 496.4 g/mol

Curry red · Fancy Red

What is Allura Red AC?

Red 40, the most-used red food dye in the United States. It colors sports drinks, candy, and breakfast cereal. Found in soft drinks and processed snacks. from source

CategoryFood & flavor
Chemical familyAromaticsPhenolsEthers
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Fig. 1 · 2D structure RDKit

SMILESCC1=CC(=C(C=C1S(=O)(=O)[O-])OC)N=NC2=C(C=CC3=C2C…83 characters

Where you'll find it

Soft drinkswhat else is in it →Processed snackswhat else is in it →

Curated by MoleculeFinder from source

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Where Allura Red AC leads

Relatedcomputed
Sunset yellow FCF58% similarBoth carry a phenol group.Ponceau 4R48% similarBoth carry a phenol group.Amaranth (dye)47% similarBoth carry a phenol group.

Sources & methodology

PubChem CID
33258
Wikidata
Q419895
Structure
PubChem → RDKit
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