Pharmaceutical Grade Methylene Blue Crystals from China
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 — China → United States
35%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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