USP-Grade Laboratory Reagent – Contains methylthioninium chloride at a verified 5% USP-grade concentration, prepared in ultra-pure de-ionised water. Intended exclusively for research, educational, and analytical laboratory applications.Simple Two-
Ingredient Formula – Made with only USP-grade methylthioninium chloride and de-ionised water. Free from alcohol, preservatives, fillers, additives, and formaldehyde for a clean, consistent laboratory reagent.
