Erythrosine B also commonly referred to as Erythrosine or Red No. 3 is an organoiodine chemical that is a fluorone derivative. It is the disodium salt of 2,4,5,7-tetraiodofluorescein. It occurs as red-orange powder or granules. Its maximum absorbance is at 530 nm. It is used as a red colouring in some foods (as a food additive, it has the E number E127), as disclosure of dental plaque, and as a stain of some cell types.
|PROPERTIES OF ERYTHROSINE|
|PRODUCT NAME||ERYTHROSINE B|
|SYNONYMS||FD & C Red 3, Acid Red 51; Food Red No. 3; Tetraiodofluorescein Sodium Salt; Aizen Erythrosine; Calcoid Erythrosine N|
|Color Index No||45430|
|Molecular Weight||879.9 g/mol|
|Melting point||142 to 144 °C|
|1||Appearance (Color)||Orange to Red-Orange Powder|
(1mg/ml 1M NH4OH)
Orange to Red
|3||Infrared spectrum||Conforms to Structure|
|526 - 534 nm
|310 - 318 nm
Extinction Coefficient (C = 0.005g/l, Methanol)
|258 - 266 nm
27.3 - 30.2 %
A 1990 study concluded that “chronic erythrosine ingestion may promote thyroid tumour formation in rats via chronic stimulation of the thyroid by TSH”. Based on this research, the FDA issued a partial ban on erythrosine in 1990 but later removed the ban. There are no known negative effects of this chemical.
Q. Who manufactures Erythrosine B?
Macsen Lab is the leading manufacturer and supplier of Erythrosine.
Q. Is Erythrosine an artificial food dye?
Yes, Erythrosine is an artificial food colour/dye.
Q. Is Erythrosine safe?
Erythrosine has a negligible impact on people, and there is no evidence to suggest that low- or moderate-level exposure to it increases the risk of cancer.