Diphenyl phosphorochloridothioate from Mexico
Aromatic thiophosphoric ester chloride intermediate for agricultural chemical synthesis. HTS 2920.19.40.00 covers this 'other' bis-aryl phosphorodithioate derivative. Acid halide functionality remains classified with parent thiophosphoric acid ester per chapter note (E).
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Ship under nitrogen blanket to prevent hydrolysis; include acid chloride handling procedures in SDS; declare hydrolyzable chloride content for wastewater permitting