Triisopropyl Phosphate from Canada
Triisopropyl phosphate is a low-toxicity flame retardant for textiles and coatings. HTS 2919.90.50 captures it as 'other' phosphoric ester with isopropyl alkyl groups. No impurities render it outside Chapter 29 scope.
Duty Rate — Canada → United States
13.7%
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
• Volatility data for TSCA; declare boiling point 245°C
• Textile applicator grades need fiber compatibility cert; avoid 3809 pesticide shift
• Stabilizer <1% permitted per note 5(F)