A scarlet red synthetic dye first made in 1878 by a secret process developed by Brooke, Simpson, and Spiller. Ponceau colorants were used to dye Wool and Silk without a Mordant. These azo dyes were formerly used for coloring maraschino cherries prior to being removed from the FDA approved list for food in 1976.
Synonyms and Related Terms
ponceaux; Ponceau 2R; Ponceau SX
Physical and Chemical Properties
Soluble in water. Slightly soluble in alcohols. Insoluble in oils.