o-Phenylenediamine Dihydrochloride from Japan
The dihydrochloride salt of o-phenylenediamine used in pharmaceutical synthesis and analytical reagents. Although base form is named, chapter notes place salts with the parent aromatic polyamine in HTS 2921.51.10.00.
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
• Confirm stoichiometric HCl content to validate salt classification
• Include water content analysis as salts are hygroscopic
• Segregate from strong oxidizers per DOT hazardous material regulations