
Brilliant Blue FCF by Zyntex is a high-quality synthetic triarylmethane dye (CAS 3844-45-9). Also known as Blue 1 or E133, it offers brilliant cyan-blue tones and excellent solubility for food, pharmaceutical, and cosmetic industries.
Exceptional color brilliance provides a major advantage in the beverage industry. Brilliant Blue FCF offers high stability against light and heat during processing. It is one of the most widely used synthetic dyes globally due to its safety profile. For instance, it is the primary choice for coloring blue raspberry-flavored snacks and clear syrups. Consequently, it ensures visual consistency and consumer appeal in every batch. As a result, Zyntex ensures the highest pharmaceutical purity for our E133 supply. This ensures full compliance with international safety standards and maximum color intensity.

Chemical structure of Brilliant Blue FCF (CAS 3844-45-9), highlighting the triarylmethane core.
Moreover, Zyntex provides Brilliant Blue FCF for the cosmetic and personal care sector. It acts as a reliable pigment for mouthwashes, soaps, and hair coloring products. This application ensures a clean and professional look for hygiene products. At the same time, the pharmaceutical industry uses it to color gelatin capsules and diagnostic reagents. In short, our product serves as a “high-performance visual enhancer.” It supports both the mass-market food industry and precision biomedical applications.
Recently, interest in Brilliant Blue FCF for its use in biological staining and ophthalmic surgery has grown. It helps surgeons visualize delicate membranes during medical procedures. Because of this, Zyntex offers specialized ultra-pure grades for clinical and laboratory research. These formats meet the rigorous demands of modern biotechnology facilities. Ultimately, choosing Zyntex secures a reliable and high-quality dye supply chain. We balance chemical stability with strict purity testing. To conclude, our commitment ensures your products achieve the perfect shade and total consumer safety.
This high-purity synthetic dye is vital in these four sectors:
Essential for sports drinks, soft drinks, and colorful confectionery. Thus, it provides the iconic blue color found in many popular consumer goods.
Used for coloring tablets and liquid medications for easy identification. Consequently, it aids in medication safety and professional branding.
A primary pigment in shampoos, soaps, and mouthwashes. Undoubtedly, it helps create aesthetically pleasing personal hygiene products.
Used as a non-toxic stain in laboratory research and surgeries. Specifically, it assists in visualizing biological structures under the microscope.
| Parameter | Standard Value |
|---|---|
| Product Name | Brilliant Blue FCF (Blue 1) |
| Index Number | C.I. 42090 / E133 |
| Solubility | Water & Ethanol Soluble |
| CAS Number | 3844-45-9 |
📝 Regulatory Note: Brilliant Blue FCF is widely approved by the FDA (USA), EFSA (Europe), and JECFA. Therefore, it is considered safe for consumption within the established daily intake limits. Always verify local dosage regulations for specific food categories.