Diethylenetriamine (DETA) from Canada
Diethylenetriamine is an acyclic polyamine with the formula H2NCH2CH2NHCH2CH2NH2, classified under HTS 2921.29.0030 as a chemically defined acyclic polyamine. It serves as a key building block in chemical synthesis for epoxy curing agents and chelating agents.
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
• Provide certificate of analysis confirming purity >98% to verify classification as chemically defined compound under Chapter 29
• Ensure proper hazardous material declaration (UN2051, Corrosive) for DOT/IMDG compliance during import
• Avoid misclassification as mixtures; single-compound DETA must not exceed 1% impurities per chapter notes