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 |
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| 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.
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.