Phenoxyphenyl phosphorothioate from Mexico
Complex aromatic thiophosphoric ester featuring ether-linked phenyl rings, used in specialty polymer additives. HTS 2920.19.40.00 applies to this multi-ring 'other' phosphorodithioate. Principal characteristic group remains P-S ester functionality.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide molecular weight distribution certificate; ensure <0.1% free phenol content; validate ether linkage stability under shipping conditions