γ-Butyrolactone (GBL) from China
γ-Butyrolactone is a five-membered lactone ring heterocyclic compound with oxygen as the sole heteroatom, classified under HTS 2932.20.50 as 'other lactones'. It is a colorless liquid used as a solvent and intermediate in pharmaceutical synthesis.
Duty Rate — China → United States
16.2%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide Certificate of Analysis (COA) confirming purity >99% and absence of precursors to avoid DEA scrutiny
• Ensure proper UN-approved packaging for Class 3 flammable liquids with Hazard Class 3 labeling
• Verify REACH compliance if transshipping through EU; common pitfall is missing GHS safety data sheets