Glufosinate Potassium Salt from Canada
Potassium salt variant of glufosinate offering better cold-weather solubility for northern hemisphere applications. Meets HTS 2931.49.0010 criteria as a chemically defined glufosinate salt within non-halogenated organo-phosphorus derivatives. Imported for specialty herbicide manufacturing.
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
• Counterion analysis (ICP-MS) required to verify potassium content vs. ammonium forms
• pH adjustment documentation prevents misclassification as acid vs. salt
• Biodegradation studies may be required for environmental release permits