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Erythrosine B Sodium Salt (FD&C Red No.3) Dye
$19.00 AUD
Documentation
AuSaMicS Erythrosine B — FD&C Red No. 3 (CAT: ASD-638) is a premium-quality synthetic xanthene dye appearing as a dark cherry-red crystalline powder that produces a brilliant pink-red solution in water. With a dye content of ≥ 92% and a low heavy metals profile, it meets international food-grade and laboratory-reagent specifications. Approved as E127 (EU/EEC) and FD&C Red No. 3 (USA), Erythrosine B is versatile across food, pharmaceutical, cosmetic, and microbiological laboratory applications.
Colour profile
Dark cherry-red solid → Brilliant pink-red in aqueous solution
Product identification
| Catalog number | ASD-638 |
| CAS number | 16423-68-0 |
| C.I. Name | Acid Red 51 |
| Color Index No. | 45430 (C.I. 45430) |
| EEC / EU No. | E127 |
| USA (FDA) | FD&C Red No. 3 |
| Synonyms | Erythrosine, Food Red 14, Tetraiodofluorescein |
| Molecular Formula | C₂₀H₆I₄Na₂O₅ |
| Molecular Weight | 879.86 g/mol |
| Grade | Food Grade / Laboratory Reagent |
| Form | Dark cherry-red crystalline powder |
Technical specifications
| Parameter | Specification | Status |
|---|---|---|
| Appearance | Dark red crystalline powder | Pass |
| Solubility | Freely soluble in water | Pass |
| Dye Content | ≥ 92% | Pass |
| Loss on Drying | ≤ 11.5% | Pass |
| Water Insoluble Matter | ≤ 0.058% | Pass |
| Heavy Metals (as Pb) | ≤ 40 ppm | Pass |
| Arsenic | ≤ 3 ppm | Pass |
| Mercury | ≤ 1 ppm | Pass |
| Lead | ≤ 2 ppm | Pass |
| Chromium | ≤ 5 ppm | Pass |
Key features
Brilliant pink-red shade with high colour stability in aqueous systems
Dye content ≥ 92% — consistent quality and purity for demanding applications
Low heavy metals profile — meets food and pharmaceutical grade limits
Freely soluble in water — easy to formulate at required concentrations
Multi-sector regulatory approvals — food, pharmaceutical, cosmetic, and laboratory
Available in bulk packaging for industrial and contract supply
Supplied with full COA and regulatory documentation
Applications
Confectionery, beverages, cake decorations and candied fruits
Pharmaceutical tablet coatings, syrups and topical preparations
Cosmetics — lipsticks, blushes and personal care products
Microbiological culture media and laboratory staining procedures
Regulatory & compliance status
| Region | Status |
|---|---|
| EU / EEC | Approved food colour E127 — limited applications per EU Directive |
| USA (FDA) | Approved as FD&C Red No. 3 — subject to FDA category-specific restrictions |
| Australia / NZ | Refer to FSANZ Food Standards Code for current permitted food uses |
| Pharma / Cosmetic | Suitable for tablet coatings and cosmetic formulations per applicable national regulations |
Storage
Store in a cool, dry place — tightly sealed, away from direct sunlight
Shelf life: 3 years under recommended storage conditions
Available in various pack sizes — contact AuSaMicS for current options
Intended use
This product is for professional use only. Food and pharmaceutical applications are subject to applicable regulatory restrictions (E127 / FD&C Red No. 3 use limitations). For laboratory analytical use, refer to applicable safety guidelines. Users are responsible for compliance with all relevant local, state, and national regulations.
Quality & documentation
AuSaMicS Life Science supplies Erythrosine B (FD&C Red No. 3, CAT: ASD-638) with full technical support, COA, TDS, and regulatory documentation to meet your quality assurance requirements. For bulk quantities or contract pricing, contact support@ausamics.com or visit ausamics.com.au.
✓ Food / Lab grade
✓ E127 / FD&C Red 3
✓ COA available
✓ Ships from Australia