Ultra High Purity Methylene Blue which ships with a Certificate of Analysis.
This is the highest purity methylene blue powder and can be used for scientific research
This powder can be used to prepare 50 Litres of 0.1% Methylene Blue solution by adding it to 50 litres of water.
Methylene Blue is a dye and has a strong color - we recommend that you prepare the solution in the bathroom or in areas easy to clean.