3,5-Diaminobenzoic Acid from China
3,5-Diaminobenzoic acid is an aromatic compound with two amino groups ortho to the carboxylic acid, explicitly covered by HTS 2922.49.10.00. Used in polymer synthesis and advanced materials. As an amino-acid with oxygen function, it matches the heading's chemical criteria.
Duty Rate — China → United States
137.5%
Rate breakdown
9903.04.6094.2%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 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(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Verify structure via NMR or HPLC certificate to confirm 3,5-isomer position
• Declare as research chemical if small quantities to expedite lab imports
• Check REACH/ TSCA registration status for US entry compliance