Butynediol Butyl Ether from Japan
2-Butynediol monobutyl ether retains one free OH and one butyl ether on dihydric butynediol. Acyclic ether-alcohol of polyhydric alcohol for HTS 2909.19.60.00. Specialty intermediate with acetylenic functionality.
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
• Triple bond hydrogenation stability testing required
• Reactive intermediate; inhibitor specification needed
• Copper stabilization for acetylenic alcohols