Ponceau (French for "poppy-colored") may refer to:
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Ponceau 2R (also called Xylidine ponceau or Ponceau G, among other synonyms), azo dye used in histology for staining
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Ponceau 3R
Ponceau 3R ( C.I. 16155) is an azo dye that once was used as a red food colorant
Food coloring, color additive or colorant is any dye, pigment, or substance that imparts color when it is added to food or beverages. Colorants can be supplied a ...
, delisted food colorant
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Ponceau 4R
Ponceau 4R (known by more than 100 synonyms,Abbey J, et at. Colorants. pp 459-465 in Encyclopedia of Food Safety, Vol 2: Hazards and Diseases. Eds, Motarjemi Y et al. Academic Press, 2013. including as C.I. 16255,FDA. 9 November 2008Food and ...
(known by more than 100 synonyms), synthetic colourant used as a food colouring (E Number E124)
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Ponceau 6R
Ponceau 6R, or Crystal ponceau 6R, Crystal scarlet, Brilliant crystal scarlet 6R, Acid Red 44, or C.I. 16250, is a red azo dye. It is soluble in water and slightly soluble in ethanol. It was used as a food dye, formerly having E number E126. It is ...
(Ponceau 6R or Crystal ponceau 6R, among other synonyms), food dye (E number E126) and histology stain
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Ponceau S
Ponceau S, Acid Red 112, or C.I. 27195 (systematic name: 3-hydroxy-4-(2-sulfo-4- -sulfophenylazohenylazo)-2,7-naphthalenedisulfonic acid sodium salt) is a sodium salt of a diazo dye of a light red color, that may be used to prepare a stain fo ...
(also known as Acid Red 112 or C.I. 27195), histology stain
* Ponceau SX, another name for
Scarlet GN
Scarlet GN, or C.I. Food Red 2, FD&C Red No. 4, or C.I. 14815 is a red azo dye once used as a food dye. As a food additive, it has the E number E125. It is usually used as a disodium salt.
In the United States, it is not permitted for use in food ...
, once used as a food dye (E number E125)
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