Rosanilin

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 Rosanilin Rosanilin Magenta I Basic fuchsin 42510 Basic violet 14 Triarylmethane Basic 0.39% 8.16% 550 (Conn), 539 (Gurr) Red C20H20N3Cl 337.9

Rosanilin (or Rosaniline) is one of the constituents of Basic fuchsin, together with Pararosanilin and Magenta II. See a comparison of the formulae of these three dyes.

 

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.