o-Tolidine (2,2'-Dimethylbenzidine) from Japan
o-Tolidine is a dimethyl-substituted aromatic diamine used in pigment synthesis and analytical reagents. It is subject to HTS 2921.59.4000 classification due to its designation in additional U.S. note 3 to section VI.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Declare CAS 612-82-8 and provide GC-MS purity reports for classification support
• Avoid bulk packaging that suggests Chapter 38 mixture status
• Monitor EU export authorizations affecting supply chains