Methylene Blue Powder USP Grade from Mexico
High-purity 3,7-Bis(dimethylamino) phenazathionium chloride (Methylene blue) powder meeting USP standards for pharmaceutical applications. Classified under HTS 3204.13.45.00 as a specific basic dye, chemically defined synthetic organic coloring matter. Used primarily as a medication and diagnostic stain rather than a textile colorant.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide Safety Data Sheet (SDS) and Certificate of Analysis confirming 98%+ purity and USP compliance
• Declare exact chemical identity and CAS number (61-73-4) to avoid misclassification as general preparations
• Ensure proper hazardous material labeling if shipped in powder form exceeding certain concentrations