N,N-Diethylmetanilic Acid Sodium Salt from Mexico
The sodium salt of N,N-diethylmetanilic acid, explicitly listed in HTS 2921.42.18.00, is a water-soluble aniline sulfonic acid derivative. Used in direct dye manufacturing. Salts classified with parent organic compound per Chapter 29 note 5(C).
Duty Rate — Mexico → United States
15.8%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Higher assay stability than free acid; specify anhydrous vs hydrated form
• Non-hazardous UN number but verify IATA for air shipment
• Customs may require counterion analysis to confirm salt identity