2a122 | — | Azorubine or carmoisine | - Additive compositionAzorubine
- Characterisation of the active substance
- 1.Chemical name: Disodium 4-hydroxy-3-(4-sulfonato-1-naphthylazo) naphthalene-1-sulfonate
- 2.Synonyms: carmoisine, CI Food Red 3
- 3.Einecs: 222-657-4
- 4.Chemical formula: C20H12N2Na2O7S2
- 5.Purity:
- 5.1.Assay: minimum contents of 85 % colouring matters calculated as the sodium salt
- 5.2.4-aminonaphthalene-1-sulfonic acid and 4-hydroxynaphthalene-1-sulfonic acid: not more than 0,5 %
- 5.3.Subsidiary colouring matters: not more than 2,0 %
- 5.4.Water insoluble matter: not more than 0,2 %
- 5.5.Unsulfonated primary aromatic amines): not more than 0,01 % (calculated as aniline)
- 5.6.Ether extractable matter: not more than 0,2 % under neutral conditions
- Method of AnalysisFor the identification of azorubine in the feed additive: spectrophotometry at 516 nm in water and Thin Layer Chromatography (TLC) (FAO JECFA monographs No 1 (Vol. 4) Combined compendium for food additive specifications).For the determination of azorubine in the feed additive: spectrophotometry at 516 nm in aqueous solution Commission Directive 2008/128/EC.
| Cats and dogs | — | — | 176 | - 1.In the directions for use of the additive and premixture, indicate the storage temperature, storage life, and stability to pelleting.
- 2.For safety: breathing, eye and skin protection shall be used during handling.
| 25 November 2022 |