Bis(4-chlorophenyl) phosphorothioate from Mexico
Di-chlorinated aromatic thiophosphoric ester used as synthetic intermediate and flame retardant. Classified HTS 2920.19.40.00 as halogenated 'other' aromatic phosphorodithioate. Dual phenyl substitution maintains chemical definition status.
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
• Chlorine substitution requires additional Stockholm Convention documentation; test for dioxin precursors; use HDPE containers with PTFE liners