Naphthol Green B is a coordination complex of iron that is used as a dye. The ligand is a sulfonated derivative of 1-nitroso-2-naphthol.
Structure Naphthol Green B is the sodium salt of Naphthol Green Y (C.I. 10005). The organic ligands each bind to iron as bidentate ligands through the nitrogen and the anionic phenoxide groups. Three ligands are bound to the iron.
Applications Its absorption maximum is 714 nm in water.Horobin, RW. und Kiernan, JA. (2002): Conn's Biological Stains: A Handbook of Dyes, Stains and Fluorochromes for Use in Biology and Medicine. BIOS Scientific Publ., 10th edition; ; page 101 and 102 It is water-soluble.
Naphthol Green B is used in histology to stain collagen.Histological and Histochemical Methods: Theory and Practice, 4th edition, J. A. Kiernan Moreover, it is used for polychrome stains with animal tissue. For industry purposes Naphthol Green B is used for staining wool, nylon, paper, anoxidized aluminium and soap.
References
External links Naphthol Green B at StainsFile