3-Aminomethyl-3,5,5-trimethylcyclohexylamine (Isophorone Diamine) from Japan
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 — Japan → United States
15%
Rate breakdown
9903.04.6211.3%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% 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