Triethyl Phosphite 98% Technical Grade from Canada
Technical grade triethyl phosphite at 98% purity is used in industrial synthesis of herbicides and stabilizers, falling under HTS 2920.24.00.00 as a chemically defined phosphite ester. Minor impurities do not alter its principal classification per chapter note (a).
Duty Rate — Canada → United States
13.7%
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
• Provide SDS with exact composition to CBP for verification; store in nitrogen-blanketed containers to prevent oxidation during shipping; watch for auto-ignition risks in hot climates