Is Acid Red 87 vegetarian?
Acid Red 87
Eosin Y is a synthetic fluorescent acidic dye of the xanthene class, produced by the action of bromine on fluorescein. It is widely used as a histological stain (paired with haematoxylin in H&E staining), binding to basic proteins and staining cytoplasmic structures dark red or pink.
| Also known as | 15086-94-9, 15876-39-8, 2-(3,6-Dihydroxy-2,4,5,7-tetrabromoxanthen-9-yl)benzoic acid, 2-(3,6-Dihydroxy-2,4,5,7-tetrabromxanthen-9-yl)benzoesäure, 239-138-3, 240-005-7, 301-481-2, 548-26-5, 94021-89-3, Acid Red 87, Bromoeosine, CI 45380 / ACID RED 87, Dialuminium tris[2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoat], Dialuminium tris[2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoate], Dialuminium tris[2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoate] (CI 45380), Dinatrium 2-(2,4,5,7-Tetrabrom-6-oxido-3-oxoxanthen-9-yl)benzoat, Disodium 2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoate, Disodium 2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoate (CI 45380), Eosin Y Ws, Eosine Yellowish, Fluorescein, 2',4',5',7'-tetrabrom-, Fluorescein, 2',4',5',7'-tetrabromo-, Pigment Red 90:1, Pigment Red 90:1 Aluminiumlack, Pigment Red 90:1 Aluminum Lake, Solvent Red 43, Tetrabromofluorescein |
|---|---|
| INCI name | Acid Red 87 |
| CAS number | 17372-87-1 |
| EC number | 241-409-6 |
| CI number | CI 45380 |
| CosIng ID | 31631 |
| Last reviewed | 3 June 2026 |
An ingredient is considered vegetarian if it avoids components derived from killing an animal.
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