C.I.No.16150Xylidine ponceau is used in the Masson's trichrome stain as a red counterstain, where it imparts orange hue to the red-stained cytoplasmic structures.
Short Name: XYLIDINE PONCEAU
Synonym: Ponceau 2R, Ponceau G, Red R, Acid Red 26, Food Red 5