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E133

Food additives

Group: E100–E199 (colours)
E133 is a food additive approved by the European Union (EU). It is used as a synthetic colouring agent in food and drink products, but mostly in cosmetics.
The common name for E133 is brilliant blue FCF.
E133 is highly soluble in water and gives a blue colouring to food products. E133 can be used together with tartrazine (E102) to give various shades of green. The colouring can also be used in inks and as a fabric dye.
E133 has been known to provoke allergic reaction (although this is thought to be rare) and is banned in France, Germany, Belgium, Switzerland, Sweden, Norway and Austria.