Quinoline Yellow (Quinoline Yellow, Acid Yellow 3, E104)is a yellow-green dye. The chemical formula of the sulfosol is C18H9NO8S2Na2.
In a number of countries, it is used as a food dye, registered as a food additive E104.
Quinoline yellow has two forms:
- Quinoline Yellow SS-Alcohol-soluble;
- Quinoline yellow WS is a water-soluble, sodium salt of the sulfated form of the compound Quinoline yellow SS.
It is used in smoked fish, colored pills, cough drops, chewing gums.
Causes skin inflammation and increased activity in children.
Banned in Australia, Japan, Norway, and the United States.