Methylene Blue Powder USP Grade from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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