CheckVegan

Is Solvent Yellow 33 vegetarian?

Solvent Yellow 33

Vegetarian Vegetarian
Vegan Vegan

Quinoline Yellow SS is a bright yellow dye with a green shade, belonging to the quinophthalone class of pigments. It is insoluble in water but soluble in nonpolar organic solvents. It exhibits notable photostability, attributed to excited-state intramolecular proton transfer (ESIPT) behaviour.

Also known as 1,3-Isobenzofurandion-Reaktionsprodukte mit Methylchinolin und Chinolin, 1,3-Isobenzofurandione reaction products with methylquinoline and quinoline, 1,3-Isobenzofurandione, reaction products with methylquinoline and quinoline, 2-(2-quinolyl)-1H-indene-1,3(2H)-dione, Chinolingelb, CI 47000 / SOLVENT YELLOW 33, Quinoline Yellow SS, Solvent Yellow 33, Yellow 11
INCI name Solvent Yellow 33
CAS number 8003-22-3
EC number 232-318-2
CI number CI 47000
CosIng ID 38161
Last reviewed 3 June 2026

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

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