Diethylenetriamine (DETA) from Mexico
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 — Mexico → United States
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
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