FD&C Red No. 2
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FD&C Red No. 2 is a decertified food coloring, Trisodium-2-hydroxyl-1-(4-sulphonato-1-napthylazo)napthelene-3-6-disulfonate.
In 1969, Soviet scientists discovered that long-term usage of Red Dye #2, even at the low dosages found in foods, caused cancer in test animals. The FDA conducted its own tests, following the Soviet guidelines and the results were inconclusive. The FDA banned FD&C Red No. 2 in 1976. FD&C Red No. 3, Erythrosine; and FD&C Red No. 40, Allura Red AC replaced the decertified color.
