Erythrosine
What is Erythrosine?
Erythrosine (CAS 16423-68-0), also known as E127 and erythrosine sodium anhydrous, is a synthetic red dye derived from fluorone.
Where is Erythrosine used?
- Food: colors maraschino cherries, candied fruits and certain confectionery
- Pharmaceutical: tablet coatings and oral dosage forms for product identification
- Printing inks and packaging: red and pink tones in water-based formulations
- Textile and paper industries apply it as a dye for specialty coloring processes.
Good to know: One of the few certified red colorants approved for specific food uses in multiple regulatory markets.
Commercial specifications
- Food-grade specifications certified to FCC and E127 standards
Other Names (Synonyms)
erythrosine sodium anhydrous|Disodium 2-(2,4,5,7-tetraiodo-6-oxido-3-oxoxanthen-9-yl)benzoate|E127|3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one|FD & C red no. 3|RefChem:591122|Fluorescein, 2′,4′,5′,7′-tetraiodo-, disodium salt|Erythrosine B