Methylene Blue 1% solution 33.8 Fl Oz 1000 ml liquid drops Pharma Grade Ingredients Third Party Tested Heiltropfen®

1% Methylene Blue trihydrate, demineralized water. Pharma grade ingredients: Demineralized water (EP, USP), Methylene blue (USP). Third-Party Tested. 1 vertical drop contains 0.5 mg of Methylene Blue. Directions: Mix 1 ml (20 drops) of the solution with 200 ml of water, or use according to your established research protocols. Our premium dark amber glass bottle protects methylene blue from sunlight and oxidation, ensuring long-lasting purity and maximum effectiveness. Securely packed in styrofoam, ideal protection. Tested for Heavy Metal Contamination. Upon request, a heavy metal analysis will be provided. Our product meets and exceeds USP requirements. Third-Party (USP) United States Pharmacopeia verified methylene blue incl. certificate. Our production facility is certified for GMP, ISO 22000, and ISO 22716 standards, ensuring the highest quality and compliance. ⬇⬇⬇ Please scroll down to check our Third-Party Heavy Metal analysis and other quality certificates. ⬇⬇⬇ Formaldehyde free. Methylene blue does not contain formaldehyde. Formaldehyde is a different compound that is used in industry and in some biological applications, but it is not part of the chemical composition of methylene blue.