N,N-Diethylmetanilic Acid from China
N,N-Diethylmetanilic acid is a quaternary aniline derivative with both diethylamino and sulfonic acid groups, explicitly named in HTS 2921.42.18.00. Used in specialty dye and surfactant synthesis. Classified as aromatic monoamine derivative per Chapter 29.
Duty Rate — China → United States
23.3%
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
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
Import Tips
• Water-soluble; ship as aqueous solution only if meeting chapter note 5(d) criteria
• Confirm pH stability (<4) in CoA; improper storage causes precipitation
• EPA may require SNUR if used in consumer products; check pre-import