Triethyl Phosphate (TEP) from Mexico
Triethyl phosphate acts as a solvent, plasticizer, and catalyst in resins and pharmaceuticals. Under HTS 2919.90.50, it is an 'other' phosphoric ester meeting Chapter 29(a) for chemically defined organic compounds. No halogenation or other modifications place it here distinctly.
Duty Rate — Mexico → United States
3.7%
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
• Provide GC-MS purity certificate; distinguish from ethyl phosphate salts which follow acid heading
• For pharma intermediates, include intended use declaration to prevent Chapter 30 shift