</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

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

13.7%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

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