Gamma-Butyrolactone (GBL) from Japan

Gamma-Butyrolactone is a five-membered lactone ring heterocyclic compound with oxygen as the sole hetero-atom, classified under HTS 2932.20.50.50 as 'other lactones.' It is a colorless liquid used as a solvent and intermediate in pharmaceutical and polymer production.

Duty Rate — Japan → 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

Import Tips

Provide detailed chemical analysis certificates confirming lactone structure and purity to avoid reclassification as solvents under Chapter 38

Comply with DEA precursor chemical regulations; register as an importer if used in controlled substance production

Ensure proper Hazard Communication labeling (HCS) for corrosive properties and GHS compliance