Butyrolactone with Stabilizer from Canada
Stabilized butyrolactone includes necessary preservatives for transport as allowed by Chapter Note (f), remaining classified under HTS 2932.20.50.10 as the core lactone compound. Used in electronics cleaning 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
• Document stabilizer as 'necessary for preservation' to qualify under note (f); test for solvent suitability per note (e); monitor for color/odor additions that could disqualify