Pigments & Colorants
REACH
Brilliant blue fcf
CAS Number
3844-45-9
EC Number
223-339-8
E Number
E133
What is Brilliant blue fcf?
Brilliant Blue FCF (CAS 3844-45-9), also known as FD&C Blue No. 1 and approved as E133, is a synthetic triarylmethane dye used to impart a bright, stable blue color.
Where is Brilliant blue fcf used?
- Food and beverage: colors confectionery, beverages, and dairy products
- Processed foods: vivid blue or blue-green shade
- Pharmaceuticals: identifies and differentiates oral dosage forms including tablets, capsules, and liquid preparations
- Personal care: shampoos, bath gels, and topical creams
- Combined with yellow dyes it produces green shades.
Good to know: Standard grades include FD&C for the US market, E133-compliant food grade, and cosmetic grade meeting relevant regional purity specifications. Pharmaceutical-grade material is available meeting USP and BP requirements.
Other Names (Synonyms)
Patent blue AR|FD&C Blue No 1|Brilliant Blue FCF, disodium salt|Blue 1|Brilliant Blue|Blue 1206|Fenazo Blue XI|Japan Blue 1|E133
What are the physical properties of Brilliant blue fcf?
Melting Point 283 °C
Density 0.65
Appearance reddish-violet powder or granules
Color Dark purple
Form Fine Crystalline Powder
Water Solubility SOLUBLE
Log P -0.320
Which trade and regulatory codes apply to Brilliant blue fcf?
HS Code 29309090
Storage Class 11 - Combustible Solids
WGK (Germany) 3