2932.99.90/Gamma-Butyrolactone (GBL)/Canada

Gamma-Butyrolactone (GBL) from Canada

Gamma-butyrolactone is a five-membered lactone ring (cyclic ester) with oxygen hetero-atom, used as solvent and precursor. Falls under HTS 2932.99.90 as other oxygen heterocycles, distinguished from excluded cyclic esters of polyhydric alcohols.

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

• DEA List I chemical; requires importer registration and advance notice per 21 CFR 1310

• Lactone structure verified by IR spectroscopy; distinguish from polymer grades

Gamma-Butyrolactone (GBL) from Canada — Import Duty Rate | HTS 2932.99.90