Gamma-Butyrolactone (GBL) from Canada
Gamma-butyrolactone is a five-membered lactone ring heterocyclic with oxygen hetero-atom, aromatic under HTS 2932.99.70.00. Used as solvent and precursor to GHB.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• DEA List I chemical; requires import permit and advance notification
• End-use statement mandatory to prevent diversion to controlled substances
• Include stabilizer identification if present