Technical Grade Triethylenetetramine 98% Pure from Canada
Technical grade TETA at 98% minimum purity, specifically classified under HTS 2921.29.0020 as the designated acyclic polyamine. Used in industrial applications including polyurethane production and metal chelation.
Duty Rate — Canada → 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
• Include HPLC/GC purity certificates specifying isomer content to distinguish from other polyamines
• Ship in UN-approved drums with proper corrosive liquid labeling (UN 2259)
• Avoid bulk liquid shipments over 1000L without stabilizer declaration to prevent Chapter 38 classification