Malachite green is a biological stain, dye reagent, and pH indicator. It can indicate pH between a range of 0.2 - 1.8.
As a synthetic azo dye, malachite green does not actually come from the mineral malachite; the name just comes from their similarity in color
For indicating other pH values, please look through our Indicators page.
We sell machalite green as a 0.1% solution in water in various sizes – please contact us to customize your order!