Brilliant Blue FCF (E133)

Brilliant Blue FCF (FD&C Blue No. 1 / E133)

High-Purity Food-Grade Colorant for Scientific & Nutritional Applications
Catalog Number: ASD-627

Overview

Brilliant Blue FCF is a high-purity, water-soluble triarylmethane dye widely used as a colourant in food, pharmaceutical, cosmetic, and biochemical applications. Also known as FD&C Blue No. 1, Acid Blue 9, or Erioglaucine disodium salt, it delivers vivid, stable blue colour with excellent batch-to-batch consistency.

Ausamics Brilliant Blue FCF is food grade, suitable for permitted food uses (E133), analytical workflows, and research applications where reliability, traceability, and purity matter.

Key Features & Benefits

• Food Grade (E133 / CI 42090) for permitted nutritional applications

• Highly water-soluble for easy formulation and reproducible colour strength

• Analytical quality suitable for assays and method development

• Stable chromophore with strong absorbance (~628 nm)

• Vegan, gluten-free, non-GMO, no fillers

• COA available; batch-traceable

Chemical & Physical Information

• Chemical Name: Brilliant Blue FCF

• CAS Number: 3844-45-9

• CI Number: 42090

• EC Number: 223-339-8

• Molecular Formula: C₃₇H₃₄N₂Na₂O₉S₃

• Molecular Weight: 792.85 g/mol

• Appearance: Blue crystalline powder

• Solubility: Soluble in water and glycerin

• Absorption Maximum: ~628 nm

• Grade: Food Grade / Analytical

Applications

Food & Beverage

• Approved colour additive E133 in many jurisdictions

• Beverages, confectionery, dairy, and decorative foods (as permitted)

Biochemical & Analytical

• Protein quantification (e.g., Bradford assay)

• Tracer dye and visual marker in assays and method validation

Pharmaceuticals & Cosmetics

• Colouring agent for tablets, capsules, gels, and topical formulations

Microbiology & Diagnostics

• Chromogenic media components and diagnostic kits

R&D & Quality Control

• Formulation studies, stability testing, and QC workflows

Handling, Storage & Safety

• Handling: For laboratory and permitted food use only

• PPE: Avoid dust inhalation; use standard lab PPE

• Storage: Tightly sealed container; cool, dry place, protected from light and moisture

• Documentation: SDS available upon request

Packaging Options

• 10 g

• 25 g

• 100 g

(Bulk quantities available on request)

Compliance & Highlights

• Meets FSANZ, FCC, and USP requirements for permitted food colourants

• Listed as E133 / CI 42090

• GMP-compliant manufacturing and packing

• Consistent colour strength and low moisture content