Diethyl Phosphite for Glyphosate Synthesis from Canada
High-purity diethyl phosphite specifically for manufacturing glyphosate herbicide via phosphonate reaction pathway. HTS 2920.22.00.00 classification as chemically defined phosphite ester used in agrochemical production.
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 end-use letter specifying glyphosate synthesis to support Chapter 29 over pesticide headings
• Ensure <50ppm chloride content; pesticide residues trigger 3808 scrutiny
• Bulk imports require TSCA certification for US manufacturing use