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Erythrosine, also known as Red No. 3, is an organoiodine compound, specifically a derivative of fluorone. It is cherry-pink synthetic, primarily used for food coloring. It is the disodium salt of 2,4,5,7-tetraiodofluorescein.
| Product Characteristics | Product Detail |
|---|---|
| Colour Index No. | 45430 |
| Food Colour No. | Red 14 |
| F.D. & C. No. | Red 3 |
| CAS NO. | 16423-68-0 |
| E.E.C. No. | E-127 |
| I.S. No. | 1697 |
| Total Dye Content Corrected for Sample (Min.) | 87% |
| Volatile Matter (chloride & sulphate) (Max) | 13% |
| Solubility In Water (20oc) | 120 gram / litre |
| Combined Ether Extract. (Max) | 0.20% |
| Water Insoluble (Max) | 0.20% |
| Class | Xanthene |
| Light Stability | 3 |
| Heat Stability (100oc) | 4 |
| Alkali Stability | 3 |
| Subsidiary Dyes (MAX) | 4.00% |
| Dyes Intermediate (Max) | 0.50% |
| Lead | < 10 ppm |
| Arsenic | < 3 ppm |
| Mercury | < 1 ppm |
| Heavy Metals | < 20 ppm |