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2903.29.00.00/3-Chloro-1-butyne/Mexico

3-Chloro-1-butyne from Mexico

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 — Mexico → United States

15.5%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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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 Mexico — Import Duty Rate | HTS 2903.29.00.00