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Erythrosine Dye

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. Its maximum absorbance is at 530 nm[3] in an aqueous solution, and it is subject to photodegradation.

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CAS:16423-68-0
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