Glufosinate Acid Technical Powder from Japan
Pure glufosinate acid (2-amino-4-[hydroxy(methyl)phosphonoyl]butanoic acid) in technical powder form serves as the base active ingredient for herbicide production. Classified under HTS 2931.49.0010 due to its specific organo-phosphorus structure as a non-halogenated derivative. Imported primarily by agrochemical manufacturers for salt formation and formulation.
Duty Rate — Japan → United States
23.8%
Rate breakdown
9903.04.6211.3%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include certificate of analysis verifying chemical structure and >98% purity to confirm HTS classification
• Declare as toxic substance (Class 6.1) with phosphonate safety data; avoid bulk packaging without stabilizers
• Monitor for moisture content as it affects stability; improper storage leads to degradation and quality issues