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

1,4-Butanediol Dimethyl Ether from Japan

1,4-Butanediol dimethyl ether (BDE) features methyl ethers on both ends of dihydric 1,4-butanediol. Classified HTS 2909.19.60.00 as acyclic polyhydric alcohol ether, chemically defined. Alternative diesel fuel additive.

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

Cetane number and energy content data for fuel additive validation

Distinguish from toxic 1,4-dioxane (cyclic ether, heading 2932)

Biodegradation testing for environmental release permits