Diethyl Phosphite Flame Retardant Intermediate from China
Diethyl phosphite used to synthesize phosphorus-based flame retardants for textiles and plastics. Classified HTS 2920.22.00.00 as phosphite ester essential for organophosphorus polymer additives.
Duty Rate — China → United States
16.2%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Include REACH Annex XVII flame retardant documentation if EU origin
• Verify P-content analysis (23-24%); variance indicates mixture classification
• Large volume imports (>20MT) require EPA pre-manufacture notification