Propylenediamine from Canada
Propylenediamine (1,2-diaminopropane) is an acyclic polyamine classified under HTS 2921.29.00.55, used in fuel additives and polymer synthesis.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Distinguish from propyleneimine (cyclic aziridine, HTS 2933)
• Provide comparative GC-MS spectrum confirming acyclic structure
• Declare flash point (-10°C) for proper hazmat shipping classification