Dimethyl Phosphite with Stabilizer from Canada
Dimethyl phosphite stabilized with BHT for transport stability is a phosphite ester under HTS 2920.21.00.00, as chapter note (f) allows stabilizers necessary for preservation without changing classification. Used in herbicide synthesis.
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
• Document stabilizer as <0.1% to stay within note (f); use DOT-approved stainless steel drums; declare exact composition to avoid duties on mixtures