Malachite green is rarely specified in histotechnology. It can be used in a method for differentiating DNA and RNA analagous to the Pappenheim stain, in which it replaces methyl green and stains DNA.
Compare this dye to methyl green.
R. D. Lillie.
Conn's Biological Stains
Williams & Wilkins, Baltimore, MD., U.S.A.
Aldrich chemical catalogue, 1992
Aldrich Chemical Company, Milwaukee, WI, USA.
Edward Gurr, (1971)
Synthetic dyes in biology, medicine and chemistry
Academic Press, London, England.