Ponceau 4R

（重定向自Cochineal Red A）

Ponceau 4R (known by more than 100 synonyms, including as C.I. 16255, Cochineal Red A, C.I. Acid Red 18, Brilliant Scarlet 3R, Brilliant Scarlet 4R, New Coccine, 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- 6,8-disulphonic acid, trisodium salt. Ponceau (French for "poppy-coloured") is the generic name for a family of azo dyes.

单词	Cochineal Red A
释义	Cochineal Red A 英语百科 Ponceau 4R （重定向自Cochineal Red A） Ponceau 4R (known by more than 100 synonyms, including as C.I. 16255, Cochineal Red A, C.I. Acid Red 18, Brilliant Scarlet 3R, Brilliant Scarlet 4R, New Coccine, 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- 6,8-disulphonic acid, trisodium salt. Ponceau (French for "poppy-coloured") is the generic name for a family of azo dyes.
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