Glufosinate Isopropylammonium Salt from Canada
The isopropylammonium salt form of glufosinate provides enhanced solubility for herbicide applications in no-till farming systems. This specific ester/salt variant matches HTS 2931.49.0010's coverage of glufosinate salts and esters as non-halogenated organo-phosphorus compounds. Used in manufacturing Liberty-brand equivalent herbicides.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6096.3%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
• Provide salt formation analysis (NMR/IR spectra) to distinguish from acid form during customs review
• Comply with TSCA import certification for new chemical substances if not EPA-registered
• Use UN-approved packaging for corrosive liquids; test pH stability to prevent crystallization issues