Xylidine ponceau, also known as Ponceau 2R is mostly used only in the Masson’s trichrome stain as a red counterstain, where it imparts orange hue to the red-stained cytoplasmic structures.
Ponceau De Xylidine C.I. 16150
£4.45 – £16.74
- Biological Stain
- Counterstain (Masson’s Method)
- Staining Protein
Dye Content: >70%
Molecular Formula: C18H16N2O7S2
Molecular Weight: 436.46 g/mol
Absorption Wavelength Max (E1% in a 1cm cell, Water): 501-509nm
Absorptivity (E1%in 1cm cell,Water): 420-460
Loss on Drying: <5%
Hazard Phrases: Suspected of causing cancer .
Prec Phrases: Use personal protective equipment as required.
5gm, 10gm, 25gm