Pharmaceutical Grade Methylene Blue Crystals from Mexico
Purified crystalline Methylene Blue (CAS 61-73-4) for compounding in pharmaceutical applications like antimalarial treatments. HTS 3204.13.45.00 specifically names this chemically defined basic dye. Distinguished from bulk preparations by high purity (>99%).
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit FDA Drug Master File or DMF reference if destined for US pharmaceutical compounding
• Provide heavy metals and residual solvent analysis certificates for purity verification
• Avoid bulk packaging over 25kg to prevent scrutiny as industrial chemical rather than pharma intermediate