γ-Butyrolactone (GBL) from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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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