γ-Butyrolactone (GBL) from Mexico
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 — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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