Tributyl Phosphate (TBP) from Canada
TBP functions both as extractive solvent and secondary plasticizer in cellulose acetate and nitrocellulose coatings. Under HTS 2919.90.50.10 when specified for plasticizer use, this trialkyl phosphate provides rapid solvency. Common in nail polish and printing ink formulations.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
• Specify plasticizer versus extractant end-use in commercial invoice to secure correct classification
• Include flash point certification (>140°C) for shipping classification
• Monitor CPSC limits for children's products (<0.1% TBP migration)