3,3'-Dimethylbenzidine Hydrochloride from Canada
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 — Canada → United States
15.8%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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