CAS:15876-47-8 Molecolare Formula:C20H11AlN2O10S3 Molecolare Weight:562.49 Product Description:Lake Ponceau 4R (E124) 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.
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