2932.99.90/Butyrolactam (2-Pyrrolidone)/Canada

Butyrolactam (2-Pyrrolidone) from Canada

2-Pyrrolidone contains oxygen in lactam structure (five-membered ring), used in pharmaceuticals and polymers. Dual O/N heteroatoms but oxygen heading applies. HTS 2932.99.90 classification.

Duty Rate — Canada → United States

3.7%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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Import Tips

• Lactam vs amide distinction critical; cyclic lactam qualifies as heterocycle

• Hygroscopic; sealed packaging maintains purity specs

• NMP substitute; end-use statements distinguish applications

Butyrolactam (2-Pyrrolidone) from Canada — Import Duty Rate | HTS 2932.99.90