o-Tolidine (3,3'-Dimethylbenzidine) from China
o-Tolidine, or 3,3'-dimethylbenzidine, is an aromatic polyamine derivative used in dye manufacturing and as a chemical intermediate. It qualifies for HTS 2921.59.80 as an 'other' aromatic polyamine not specified in earlier subheadings, consistent with Chapter 29's rule for classification in the last applicable numerical heading.
Duty Rate — China → United States
44%
Rate breakdown
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Provide CAS number (119-93-7) and spectral analysis to confirm identity and purity >98% for Chapter 29 eligibility
• Declare as a P-listed RCRA hazardous waste if residues generated; include waste management certifications