CheckVegan

Is Acid Red 18 vegetarian?

Acid Red 18

Vegetarian Vegetarian
Vegan Vegan

Ponceau 4R (also known as Cochineal Red A) is a synthetic azo dye used as a red food colouring. Despite the name 'Cochineal Red', it is not derived from cochineal insects but is produced entirely by chemical synthesis.

Also known as 235-438-3, Acid red 18, Brilliant Scarlet 3R, Brilliant Scarlet 4R, CI Ponceau 4R, Cochineal Red A, New Coccine, SX Purple, Trinatrium-1-(1-naphthylazo)-2-hydroxynaphthalin-4',6,8-trisulfonat, Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate, Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate (CI 16255), Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate and aluminium lake (Cl 16255) (see note 17)., Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate and aluminium lake (Cl 16255)
INCI name Acid Red 18
E number E124
INS number 124
CAS number 2611-82-7
EC number 220-036-2
CI number CI 16255
CosIng ID 87673
Last reviewed 22 April 2026

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

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