Dibutyl Tartrate from Canada
Dibutyl tartrate is utilized as a plasticizer in resins and solvent. HTS 2918.13.5000 covers it as 'other' tartaric esters, following ester rules in Chapter 29 note 3(A). The derivative maintains alcohol function characteristics.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6095.6%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
• Flash point data for hazmat declaration; volatility testing for storage; avoid solvent-dissolved imports per Chapter note 1(e)