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