3-Chloro-1-butyne from Germany
3-Chloro-1-butyne features terminal alkyne unsaturation with propargylic chloride. Rare unsaturated chlorinated acetylenic hydrocarbon under HTS 2903.29.00.00. Specialty intermediate for organometallic coupling reactions.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide FTIR confirming C≡C stretch at 2100-2260 cm⁻¹ for triple bond verification
• Pyrophoric potential requires inert atmosphere packaging and UN 3295 labeling
• Extremely low volume; ensure supplier provides reference analytical standards