3-(Hydroxymethylphosphinyl)-1-propanoic acid, 2-hydroxyethyl ester Technical from Mexico
Technical grade of this named phosphinate ester used as glyphosate herbicide intermediate and polymer flame retardant monomer. HTS 2931.90.70.00 specifically identifies this exact chemical structure.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Glyphosate producers require chiral purity certificates if enantiopure form imported
• Flammable solid precautions despite liquid appearance; flash point documentation needed
• EPA pesticide chemical code assignment required even for intermediates