Acid Red 27

CAS:915-67-3
Product Description: Acid Red 27 is a dark red to purple azo dye once used as a food dye and to color cosmetics, but since 1976 it has been banned in the United States by the Food and Drug Administration (FDA) as it is a suspected carcinogen.It usually comes as a trisodium salt. It has the appearance of reddish-brown, dark red to purple water-soluble powder that decomposes at 120 °C without melting. Its water solution has absorption maximum at about 520 nm.Amaranth is an anionic dye. It can be applied to natural and synthetic fibers, leather, paper, and phenol-formaldehyde resins. As a food additive it has E number E123. Like all azo dyes, Acid Red 27 was, during the middle of the 20th century, made from coal tar; modern synthetics are more likely to be made from petroleum byproducts.Acid Red 27's use is still legal in some countries, notably in the United Kingdom where it is most commonly used to give Glacé cherries their distinctive colour. Its name was taken from Amaranth grain, a plant distinguished by its red color and edible protein-rich seeds.