CheckVegan

Is Acid Red 95 vegetarian?

Acid Red 95

Vegetarian Vegetarian
Vegan Vegan

Acid Red 95 (CI 45425) is a synthetic xanthene dye, also known as Erythrosine Y or Diiodofluorescein, used as a colourant in cosmetics and textile applications. It is a fully synthetic compound with no animal-derived components.

Also known as 3',6'-Dihydroxy-4',5'-diiodospiro(isobenzofuran-1(3H),9'-[9H]xanthene)-3-one, 3',6'-Dihydroxy-4',5'-diiodospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-on, 3',6'-Dihydroxy-4',5'-diiodospiro[isobenzofuran-1(3H),9'-[9H]xanthene]-3-one, 3',6'-Dihydroxy-4',5'-diiodospiro[isobenzofuran-1(3H),9'-[9H]xanthene]-3-one (CI 45425), 518-40-1, Diiodofluorescein, Disodium 2-(4,5-diiodo-6-oxido-3-oxoxanthen-9-yl)benzoate (CI 45425), Disodium 2-(4,5-diiodo-6-oxido-3-oxoxanthen-9-yl)benzoate and its permitted lakes and salts, Erythrosine Y, Orange 10, Orange 10 Lack, Orange 10 Lake, Orange 11, Solvent Red 73
INCI name Acid Red 95
CAS number 33239-19-9
EC number 251-419-2
CI number CI 45425
CosIng ID 31633
Last reviewed 3 June 2026

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

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