Triethylenetetramine (TETA) from Mexico
Triethylenetetramine, a linear tetraamine, falls under HTS 2921.29.00.55 as an acyclic polyamine derivative. Widely used as high-performance epoxy curing agent.
Duty Rate — Mexico → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Specify technical grade vs. distilled grade in commercial invoice
• Include viscosity and amine value specifications matching pharmacopeia standards
• Confirm EPA pre-manufacture notice status for U.S. production use