medicinal scarlet red -->
scarlet red
medical dictionary

O-Tolylazo-o-tolylazo-beta-naphthol. An azo dye; a dark, brownish red powder, soluble in oils, fats, and chloroform, but insoluble in water; used in medicine as a vulnerary, in histology to stain fat in tissue sections and basic proteins at high pH, and in immunoelectrophoresis.

Synonyms: Biebrich scarlet red, medicinal scarlet red, scharlach red, Sudan IV.

(05 Mar 2000)