FD&C Blue No.1

FD&C Blue No.1 has E number, E133 with color index of 42090. It is also called Acid Blue 9, D&C Blue No. 4, Alzen Food Blue No. 1, Atracid Blue FG, Erioglaucine, Eriosky blue, Patent Blue AR and Xylene Blue VSG.

Regulatory Info	21 CFR 74.101 (food use)
Color	Green - Bright Blue
Light Stability	Good
Heat Stability	Excellent
Solubility	water, ethanol, propylene glycol
pH Range	2.0 - 14.0
Application	Beverages, dairy products, powders, jellies, confections,condiments, icings, syrups, extracts
ColorCode	E133
Common Name	Brilliant Blue FCF
C.I. No.	42090
EC NO	E133
CAS No	3844-45-9

FD&C Blue No.1 gives various shades of green when combined with tartrazine otherwise it is a reddish blue powder. FD&C Blue No.1 is a synthetic dye that is obtained from coal tar.

FD&C Blue No.1 must be completely dispersed in food to optimize performance. High usage levels in food can lead to consumer complaints of stool-staining.

FD&C Blue No.1 Applications

The blue color of this Food Drugs & Cosmetic Dyes is used in ice-cream, dairy products, drinks, tinned processed peas and sweets. Also this is used as coloring agent in soap, shampoos and cosmetics. Apart from this FD&C No. 1 is used to check the water distribution and infiltration in the soil.

Other Food Drugs and Cosmetic Dyes

• FD&C Blue No.2
• FD&C Green No.3
• FD&C Red No.3
• FD&C Red No.40
• FD&C Yellow No.6
• FD&C Yellow No.5