Phenoxyphenyl phosphorothioate from Canada
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 — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, 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