Triethylenetetramine (TETA)
Triethylenetetramine is an acyclic tetraamine (H2N(CH2CH2NH)3H) widely used in curing epoxy resins for composites and adhesives. It qualifies under HTS 2921.29.00 as an other acyclic polyamine and derivatives thereof.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If aromatic amine salts
Salts with aromatic acids classified under aromatic amine-function compounds.
If diluted beyond chapter note limits
Excessive dilution moves to chemical preparations not qualifying as chapter solutions.
If pre-reacted epoxy resin
Partially cured resin products classified as epoxide resins in Chapter 39.
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Import Tips & Compliance
• Label with exact isomer content to distinguish from mixtures; ensure transport stabilizers documented; pitfall is classifying technical-grade vs pure forms differently
Related Products under HTS 2921.29.00
Ethylenediamine
Ethylenediamine is an acyclic polyamine with the formula H2NCH2CH2NH2, consisting of two primary amine groups connected by an ethylene bridge. It falls under HTS 2921.29.00 as an acyclic polyamine and its derivatives; salts thereof, specifically as a basic 'other' acyclic polyamine not enumerated elsewhere in the subheading. Commonly used in chelating agents, epoxy curing, and pharmaceutical synthesis.
Diethylenetriamine (DETA)
Diethylenetriamine is a linear acyclic polyamine (H2NCH2CH2NHCH2CH2NH2) used primarily as an epoxy resin curing agent. Classified under HTS 2921.29.00 as an 'other' acyclic polyamine derivative essential for industrial applications like adhesives and coatings.
Hexamethylenediamine
Hexamethylenediamine (H2N(CH2)6NH2) is a straight-chain acyclic diamine used in nylon-6,6 polymer production. Falls under HTS 2921.29.00 as an other acyclic polyamine essential for synthetic fiber manufacturing.
1,3-Diaminopropane
1,3-Diaminopropane (H2N(CH2)3NH2) is an acyclic diamine used in curing agents and cross-linking applications. Classified in HTS 2921.29.00 as other acyclic polyamines not specifically named.
Ethylenediamine Dihydrochloride Salt
Ethylenediamine dihydrochloride is the salt form of ethylenediamine (H3NCH2CH2NH3Cl2), used in pharmaceutical intermediates and metal finishing. HTS 2921.29.00 covers it per chapter note (C) classifying organic salts with the parent polyamine.
N,N-Dimethylethylenediamine
N,N-Dimethylethylenediamine is a derivative of ethylenediamine with secondary/tertiary amine functions, used in polymer synthesis and as a ligand. As an acyclic polyamine derivative, it falls under HTS 2921.29.00 'other' category.