Brilliant blue FCF (Blue 1) is a synthetic organic compound used primarily as a blue colorant for processed foods, medications, dietary supplements, and cosmetics. [1] It is classified as a triarylmethane dye and is known under various names, such as FD&C Blue No. 1 or acid blue 9.
It is denoted by E number E133 and has a color index of 42090. Additives and E numbers for colours, preservatives, antioxidants, sweeteners, emulsifiers, stabilisers, thickeners and other types of additives. What is Spirulina Blue Colouring? its composition, stability in food products, applications, and labelling.
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These are available from Amazon (Aff). Click for info. 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. E-Number Additives List Comprehensive guide to food additives, their safety, and potential health impacts.
Brilliant Blue FCF -Blue 1- is an organic compound classified as a triarylmethane dye and a blue azo dye, reflecting its chemical structure. Known under various commercial names, it is a colorant for foods and other substances. It is denoted by E number E133 and has a color index of 42090.
It has the appearance of a blue powder. It is soluble in water, and the solution has a maximum absorption. Identifiers INS No.
133 Brilliant blue FCF FD&C Blue No. 1 E133 CAS 3844-45-9 CI Food Blue 2 Physical Description Brilliant blue occurs as a dark purple to bronze powder or granules. It is a triphenylmethane dye, and is principally the disodium salt of ethyl [4- p - [ethyl (m -sulfobenzyl)amino] -α- (o -sulfophenyl)benzylidene]-2,5-cyclohexadien-1-ylidene] (m -sulfobenzyl)ammonium.
E Number E133Colour Index ™ Name Food Blue 2Colour Index ™ Number CI 42090CAS Number 3844. about e number and other terms defined in Sensient Color's Glossary of Terms. Food colours are added to food to improve the appearance of the product or to make it appear more "natural".
Some of the food colours are of "natural" origin, e.g. chlorophyll; some are produced synthetically. Synthetic colours are often involved in non-immunological pseudo-allergies.
A potential representative of this reaction is E102, the yellow dye tartrazine.