Tags: Chemical Compound, Chemical Substance.
Ponceau 4R (also known as C.I. 16255 Cochineal Red A C.I. Acid Red 18 Brilliant Scarlet 3R Brilliant Scarlet 4R New Coccine[citation needed]) SX purple[citation needed]) is a synthetic colourant that may be used as a food colouring. It is denoted by E Number E124. Its chemical name is 1-(4-sulpho-1-napthylazo)- 2-napthol- 68-disulphonic acid trisodium salt.
