Biebrich Scarlet

Property Data Common name Suggested name Other names   C.I. number C.I. name Class Ionisation Solubility aqueous Solubility ethanol Absorption maximum   Colour Empirical formula Formula weight Biebrich scarlet Biebrich scarlet Croceine scarlet Ponceau B or BS 26905 Acid red 66 Azo Acid Soluble 0.05% 504 (Conn), 506 (Gurr) 505 (Aldrich) Red C22H14N4O7S2Na2 556.5

Biebrich scarlet is sometimes used as a plasma stain instead of Acid fuchsin in Masson's trichrome. This dye should not be confused with the purified form of sudan III, referred to as biebrich scarlet R.

 

Reference
R. D. Lillie.
Conn's Biological Stains
Williams & Wilkins, Baltimore, MD., U.S.A.

Edward Gurr, (1971)
Synthetic dyes in biology, medicine and chemistry
Academic Press, London, England.

Aldrich chemical catalogue, 1992
Aldrich Chemical Company, Milwaukee, WI, USA.

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