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

Dimethyl Propylphosphonate (DMPP) from Canada

Dimethyl propylphosphonate is a non-halogenated organo-phosphorus compound with the formula CH3CH2CH2P(O)(OCH3)2, classified under HTS 2931.42.00.00 as a specific organo-inorganic derivative. It serves as a key intermediate in chemical synthesis and flame retardant production.

Duty Rate — Canada → United States

13.7%

Rate breakdown

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

Import Tips

Verify purity certificate (typically >98%) to confirm classification as chemically defined compound; ensure SDS includes CAS 6768-94-1

Avoid mixtures exceeding Chapter 29 note limits to prevent reclassification

Dimethyl Propylphosphonate (DMPP) from Canada — Import Duty Rate | HTS 2931.42.00.00