3,3'-Dimethylbenzidine (o-Tolidine) from Mexico
3,3'-Dimethylbenzidine, commonly known as o-Tolidine, is an aromatic polyamine used primarily as an intermediate in the production of azo dyes and pigments. It falls under HTS 2921.59.0800 as a specifically named aromatic polyamine derivative. This chemical is supplied in pure form or with stabilizers for safe transport.
Duty Rate — Mexico → United States
15.8%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify chemical purity and provide Certificate of Analysis (CoA) to confirm identity as o-Tolidine matching HTS description
• Include Material Safety Data Sheet (MSDS) detailing toxicity and handling; ensure proper HAZMAT declaration for transport
• Avoid misclassification as general polyamine (2921.59.2000); specific naming requires exact match to listed compounds