Martius yellow

Martius yellow is an erythrocyte dye that stains erythrocytes yellow which provides contrast with red fibrin in alternate trichrome staining methods.

M 1525 (OTTO) Martius yellow Cas 605-69-6 - used to stain erythrocytes yellow so that they contrast well with red fibrin in trichrome staining methods such as Lendrum's Picro Mallory and Slidder's Martius, Scarlet and Blue (MSB). It can be combined with other small molecular weight yellow dyes to increase stain intensity.