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

3-Chloro-1-butyne from Canada

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 — Canada → United States

15.5%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

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

3-Chloro-1-butyne from Canada — Import Duty Rate | HTS 2903.29.00.00