FD&C Red 4

FD&C Red 4 is a synthetic azo dye used to impart bright red hues in cosmetics, personal care, and pharmaceuticals. It is water-soluble, offers strong color intensity, and is regulated for use in approved formulations, with specific concentration limits set by authorities. Sold on Trckem (https://trckem.in/products/fd-c-red-4). The price shown is the retail price on that storefront on 2026-10-22, not a GreenB2B quote or a wholesale price.