N-Isopropyl-N-methylethanolamine from China
This protonatable amino alcohol with isopropyl/methyl substitution on nitrogen classifies in HTS 2922.19.9619 per the dialkyl-2-aminoethanol specification. Applied in epoxy curing agents and water-soluble polymers.
Duty Rate — China → United States
100%
Rate breakdown
9903.04.6093.5%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
• Confirm branched isopropyl via HPLC; distinguish from n-propyl isomer
• Ship in nitrogen-blanketed containers to prevent oxidation
• Ensure no pesticide residue claims to avoid Chapter 38 reclassification