Is Acid Blue 1 vegetarian?
Acid Blue 1
Isosulfan Blue is a synthetic triarylmethane contrast agent used in medicine to delineate lymphatic vessels during lymphography procedures. It is sold under the brand name Lymphazurin, among others. It is also known by its Colour Index designation Acid Blue 1.
| Also known as | Acid Blue 1, Ammonium, (4-(alpha-(p-(diethylamino)phenyl)-2,4-disulfobenzyliden)-2,5-cyclohexadien-1-yliden)diethyl-, Hydroxid, Mononatriumsalz, Ammonium, (4-(alpha-(p-(diethylamino)phenyl)-2,4-disulfobenzylidene)-2,5-cyclohexadien-1-ylidene)diethyl-, hydroxide, monosodium salt, CI 42045 /ACID BLUE 1, Ethanaminium, N-(4-((4-diethylamino)phenyl)(2,4-disulfophenyl)methylen)-2,5-cyclohexadien-1-yliden)-N-ethyl-, Hydroxid, inneres Salz, Natriumsalz, Ethanaminium, N-(4-((4-diethylamino)phenyl)(2,4-disulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-ethyl-, hydroxide, inner salt, sodium salt, Food Blue 3, Hydrogen [4-[4-(diethylamino)-2',4'-disulphonatobenzhydrylidene]cyclohexa-2,5-dien-1-ylidene]diethylammonium, sodium salt, Hydrogen [4-[4-(diethylamino)-2',4'-disulphonatobenzhydrylidene]cyclohexa-2,5-dien-1-ylidene]diethylammonium, sodium salt (CI 42045), Isosulfan Blue, Lymphazurin, Patent Blue Violet |
|---|---|
| INCI name | Acid Blue 1 |
| CAS number | 129-17-9 |
| EC number | 204-934-1 |
| CI number | CI 42045 |
| CosIng ID | 31609 |
| Last reviewed | 3 June 2026 |
An ingredient is considered vegetarian if it avoids components derived from killing an animal.
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