M-Clarity™ quality level = MQ200
202029-100G
202029-100GEA
67.6
EUR
InStock
202029-100G
3-(p-Anilinophénylazo)benzenesulfonate de sodium 70% (teneur en colorant), Sigma-Aldrich®
3-(p-Anilinophénylazo)benzenesulfonate de sodium
Metanil yellow has been used for staining of leukocyte granules. It is also used as a counterstain in microscopic sections.
Metanil yellow is an azo dye. It is used as a counterstain in PAS (periodic acid-Schiff)/iron-hematoxylin stained sections to increase contrast. Metanil yellow changes its color from red at pH 1.2 to yellow at pH 2.3.