Uses of Malachite Green

Histology and Microscopy:

It is used as a stain to highlight specific structures in biological samples, such as tissues and cells. It binds to proteins and nucleic acids, aiding in the visualization under a microscope.

Microbiological Media:

Malachite green can be used as a pH indicator in microbiological media. It changes color based on pH, which helps in differentiating between different types of microorganisms or in detecting the presence of specific metabolic activities.

Aquaculture:

In aquaculture, malachite green has been historically used to control fungal infections in fish eggs. However, its use has become controversial due to concerns about its environmental and health impacts.

Chemical Reagent:

It can also be used as a reagent in certain chemical reactions, particularly those involving oxidation-reduction processes or in the synthesis of other compounds.

Industrial Applications:

Beyond the laboratory, malachite green is used in various industrial applications, such as dyeing textiles and coloring materials.