3-Aminomethyl-3,5,5-trimethylcyclohexylamine (Isophorone Diamine) from Canada
Isophorone diamine (IPDA) is a sterically hindered cyclanic polyamine used in durable coatings. Falls under HTS 2921.30.50.00 as other cyclanic polyamine derivatives.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.6096.3%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• IPDA trademark doesn't affect HTS; use chemical name on entry
• Low volatility confirmed by vapor pressure data; affects storage classification
• EU REACH authorization status critical for origin determination