2909.11.00.00/Diethyl Ether Pharmaceutical Intermediate/Japan

Diethyl Ether Pharmaceutical Intermediate from Japan

High-purity diethyl ether used in synthesis of pharmaceutical APIs. Qualifies under 2909.11.00.00 as chemically defined acyclic ether; not excluded as finished immunological product per Chapter 29 note (e).

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

• Include intended pharma use declaration but classify as chemical, not finished drug

• FDA Prior Notice required if ultimate end-use is pharmaceutical

• GC purity >99.9% with heavy metals <1ppm for pharma intermediate specs