High Quality Content by WIKIPEDIA articles! Ponceau 4R (also known as C.I. 16255 , Cochineal Red A, C.I. Acid Red 18, Brilliant Scarlet 3R, Brilliant Scarlet 4R, New Coccine) , SX purple[citation needed]) is a synthetic colourant that may be added to foods to induce a colour change. It is denoted by E Number E124. Its chemical name is trisodium salt of 1-(4-sulpho-1-napthylazo)- 2-napthol- 6,8-disulphonic acid.Ponceau 4R is a red azo dye usually synthesized from coal tar which can be used in a variety of food products.Because it is an azo dye, it may elicit intolerance in people allergic to salicylates (aspirin). Additionally, it is a histamine liberator, and may intensify symptoms of asthma.

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