Ponceau De Xylidine C.I. 16150


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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.

  • Biological Stain
  • Counterstain (Masson’s Method)
  • Staining Protein

C.I. 16150

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.

Cas No: 3761-53-3
Einecs No: 223-178-3


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5gm, 10gm, 25gm