Dihydrofuran-2(3H)-one (Butyrolactone) from China
Dihydrofuran-2(3H)-one, synonymous with butyrolactone, is a lactone with a single oxygen hetero-atom in its heterocyclic ring, directly under HTS 2932.20.50.10. Essential for polymer and resin manufacturing.
Duty Rate — China → United States
16.2%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Confirm chemical identity via CAS 96-48-0 on invoices; segregate from GBL-misuse regulated shipments; use DOT-compliant packaging for transport stabilizers