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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

E129 · Allura Red · Allura red AC dye · Food red 17

chemical compound

Chemical familyAromatics
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Fig. 1 · 2D structure RDKit

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

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Where Allura Red AC leads