2932.20.50/γ-Butyrolactone (GBL)/Mexico

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

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
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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

γ-Butyrolactone (GBL) from Mexico — Import Duty Rate | HTS 2932.20.50