Erythrosine
FD&C Red No. 3, E127, Erythrosin B.
- CAS
- 16423-68-0
- EC
- 240-474-8
- Sectors
- Food & Nutrition, Pharma & Healthcare
Erythrosine, also known as Red No. 3, is a high-intensity organoiodine dye used as a cherry-red colorant. Our Food Grade disodium salt ensures brilliant, stable coloration even under various processing temperatures.
It is uniquely valued for its light stability and vibrant hue, making it the standard choice for glacé cherries and confectionery products. In the pharmaceutical sector, it is used for coloring tablet coatings and liquid medications.
Beyond nutrition, it serves as a critical biological stain and dental plaque disclosing agent. It is manufactured to meet global regulatory requirements, ensuring safety and consistency in every batch.
Typical Properties
| Molecular formula | C20H8I4O5.2Na |
|---|---|
| Molecular weight | 879.86 g/mol |
| Appearance | red to brown powder |
| Form | Fine Powder |
| Color | Deep red to brown |
| Melting point | 693.2 °C |
| Density | 0.98 |
| Water solubility | Soluble in water |
| Flash point | 285°C |
| pH | 6-7 (10g/l, H2O, 20°C) |
| HS code | 32129000 |
| Grades available | Food Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
Erythrosine
Applications
- Food Colorant: Widely used in maraschino cherries, canned fruits, candies, and snack foods for its distinct pink-red hue.
- Pharmaceutical Dye: Provides color identification for capsules and syrups, ensuring patient safety and brand recognition.
- Dental Diagnostics: Utilized in dental clinics as a plaque disclosing agent to identify areas requiring cleaning.
Safety & Risks
Harmful if Swallowed in concentrated form. Wear Dust Masks and Gloves to prevent skin staining and inhalation during handling.
Packaging
1 kg Tins or 25 kg Fiber Drums.