methylene blue, a bright greenish blue organic dye belonging to the phenothiazine family that has various applications in medicine and in the dyeing of textiles.
Methylene blue is employed as a biological stain, in testing for bacterial infection underlying tuberculosis, and as a chemical oxidation–reduction indicator.
Overview
- Condition: New
Features:
- A commonly used dye that also exhibits antioxidant, antimalarial, antidepressant and cardioprotective properties



