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3-Methyl-1-Butanol from Japan

3-Methyl-1-butanol (isoamyl alcohol) is a primary saturated monohydric butanol alcohol under HTS 2905.14.50. Naturally occurring in fusel oil, used in flavors, perfumes, and solvents. Chemically defined per chapter notes.

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

FDA prior notice required for food/flavor use; separate natural vs synthetic

Pitfall: fusel oil mixtures go to 3824