Sulfacetamide Sodium USP Crystals from Canada
Sulfacetamide sodium is a water-soluble sulfonamide salt listed specifically in HTS 2935.90.32.00 as an anti-infective agent. These USP-grade crystals are primarily used in ophthalmic formulations for treating bacterial eye infections like conjunctivitis.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
• Include FDA import alert screening documentation for ophthalmic drug substances
• Verify sodium salt form explicitly; acid form may classify differently
• Ensure proper temperature-controlled shipping to maintain crystal stability