Is Acid Red 52 vegetarian?
Acid Red 52
Lissamine Rhodamine B is a synthetic fluorescent xanthene dye used as a fluorophore in biological labelling, microscopy, and flow cytometry. It is also known as Sulphorhodamine B and Acid Red 52, and is identified by the Colour Index number CI 45100.
| Also known as | Acid Red 52, CI 45100 (see note 17), CI 45100/ ACID RED 52, Hydrogen 3,6-bis(diethylamino)-9-(2,4-disulphonatophenyl)xanthylium, sodium salt, Hydrogen 3,6-bis(diethylamino)-9-(2,4-disulphonatophenyl)xanthylium, sodium salt (CI 45100), Kiton Rhodamine B, Lissamine Rhodamine B, Sulphorhodamine B, Xylene Red B |
|---|---|
| INCI name | Acid Red 52 |
| CAS number | 3520-42-1 |
| EC number | 222-529-8 |
| CI number | CI 45100 |
| CosIng ID | 31630 |
| Last reviewed | 3 June 2026 |
An ingredient is considered vegetarian if it avoids components derived from killing an animal.
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