</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Ethylene Oxide 99.9% Purity USP Grade from Japan

High-purity ethylene oxide meeting USP standards for pharmaceutical applications, a separate chemically defined epoxide under Chapter 29 note (a). It fits HTS 2910.10.00.00 due to its three-membered ring structure and lack of impurities affecting classification.

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%

Import Tips

Include Certificate of Analysis confirming USP purity to avoid reclassification

Use licensed carriers for flammable gas transport per IATA/49 CFR

Verify importer security filing (ISF) for chemical precursors