3,3'-Dimethylbenzidine Hydrochloride from China
This is the hydrochloride salt form of 3,3'-Dimethylbenzidine, explicitly named in HTS 2921.59.0800, used in dye synthesis and analytical chemistry. The salt form enhances solubility and stability for industrial applications. It qualifies as an aromatic polyamine derivative salt under Chapter 29.
Duty Rate — China → United States
40.8%
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
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
• Provide salt content verification via CoA; salts classified with parent amine per Chapter 29 note
• Declare as hazardous material (carcinogen); comply with TSCA pre-notice if new chemical substance
• Check for anti-dumping duties on dye intermediates from certain origins