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

Propylene Oxide from Canada

Methyloxirane, commonly known as propylene oxide, is a volatile, colorless liquid organic compound with a three-membered epoxide ring, classified under HTS 2910.20.00.00 as a separate chemically defined epoxide. It serves as a key intermediate in producing polyether polyols for polyurethane foams and propylene glycol for antifreeze.

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

Verify purity certificate (typically 99.5%+); ensure UN2057 hazardous material declaration for DOT compliance; store in stainless steel containers to prevent contamination