1-Chloro-1,3-butadiene (Chloroprene) from Canada
Chloroprene (2-chloro-1,3-butadiene) is the conjugated diene monomer for polychloroprene (Neoprene) synthetic rubber. Classified HTS 2903.29.00.00 as unsaturated chlorinated acyclic hydrocarbon. Stabilized with phenolic antioxidants for storage and transport.
Duty Rate — Canada → United States
15.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document polymerization inhibitor content to qualify stabilizer exception note 2(f)
• Comply with DOT Special Permit requirements for inhibited monomer transport
• Avoid classification disputes by specifying >99% monomer purity vs. polymer content