Brilliant Blue FCF – High-Purity Colorant for Scientific and Nutritional Applications
CAT No.: ASD-627 | CAS: 3844-45-9 | CI: 42090 | EC No.: 223-339-8
 
Product Overview
Brilliant Blue FCF (also known as FD&C Blue No. 1, Acid Blue 9, Erioglaucine disodium salt) is a synthetic organic compound classified as a triarylmethane dye. It is widely used as a water-soluble colorant in food, pharmaceutical, cosmetic, and biochemical applications.
AuSaMicS offers high-purity Brilliant Blue FCF suitable for analytical, formulation, and research use.
 
Scientific Details
Chemical Name: Brilliant Blue FCF
IUPAC Name: Disodium;2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]benzenesulfonate
Molecular Formula: C₃₇H₃₄N₂Na₂O₉S₃
Molecular Weight: 792.85 g/mol
Appearance: Blue crystalline powder
Solubility: Soluble in water and glycerin
Absorption Maximum: ~628 nm
Grade: Analytical / Food Grade
Packaging: 10 g, 50 g, 100 g
 
Applications
Food Industry: Approved as a food additive (E133) in many countries. Used in beverages, candies, and dairy products.
Biochemical Assays: Commonly used in protein quantification (e.g., Bradford assay) and as a tracer dye.
Pharmaceuticals & Cosmetics: Colouring agent in tablets, capsules, and topical formulations.
Microbiology: Used in chromogenic media and diagnostic kits.
Research & Development: Suitable for method validation, formulation studies, and quality control.
Compliance & Safety
Regulatory Status:
Complies with FSANZ, FCC, and USP standards for permitted food additives.
Listed under CI 42090 and E133.
Handling:
For laboratory and permitted food use only.
Avoid inhalation of dust. Use PPE during handling.
Refer to SDS for full safety guidelines.
Storage:
Store in a tightly sealed container in a cool, dry place away from light and moisture.
 
Highlights
High-purity, low-moisture content
Batch-traceable with COA available
Vegan • Gluten Free • Non-GMO • No Fillers
Manufactured and packed under GMP-compliant conditions
 
SEO Keywords (Embedded)
Brilliant Blue FCF powder, FD&C Blue No. 1, E133 dye, CI 42090, food grade blue dye, analytical colorant, protein assay dye, Bradford reagent dye, blue dye for cosmetics, microbiological media dye, triarylmethane dye, CAS 3844-45-9, high-purity colorant Australia