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
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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