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E123 Amaranth

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Amaranth, FD&C Red No. 2, E123, CI Food Red 9, Acid Red 27, Azorubin S or CI 16185 is a deep red to purple azo dye used as a food dye and color cosmetics. The name comes from amaranth, a plant known for its red color and edible protein-rich seeds. Amaranth is an anionic dye. Can be applied to natural and synthetic fibers, leather, paper and phenolic resins. As a food additive, its E number is E123. Amaranth usually comes in the form of trisodium salt. Appearance: reddish brown, dark red to purple water-soluble powder, decomposes at 120℃ without melting. Its aqueous solution has maximum absorption at about 520 nm. Like all azo dyes, amaranth was made from coal tar in the mid-20th century; modern synthetic materials are more likely to be made from petroleum by-products. Since 1976, the U.S. Food and Drug Administration (FDA) has banned amaranth as a suspected carcinogen. Its use is still legal in some countries, particularly in the UK, where it is most commonly used to give Glace cherries their distinctive color