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Methylene Blue Trihydrate Powder from Mexico

Methylene Blue is a basic thiazine dye used in medical diagnostics, aquariums, and textiles. It qualifies for HTS 3204.13.60.00 as a product listed in additional U.S. note 3 to section VI for synthetic organic basic dyes.

Duty Rate — Mexico → United States

16.5%

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

• Provide USP or pharmaceutical grade certificates for medical uses to expedite FDA clearance

• Declare exact hydrate form and water content to prevent reclassification as anhydrous variant

• Watch for REACH compliance if transshipping from EU; mismatched docs lead to delays