N-(4-Dimethylaminobenzylidene)aniline from Japan
This push-pull Schiff base imine features dimethylamino donor and imine acceptor groups, classified under HTS 2925.29.90.00. Used in nonlinear optics and dye chemistry.
Duty Rate — Japan → United States
23.8%
Rate breakdown
9903.04.6211.3%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
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
• Submit 13C-NMR confirming C=N stretch at 1600-1650 cm⁻¹ for Customs verification
• Declare as 'non-hazardous solid' if melting point >60°C to reduce shipping costs
• Include supplier's GC-MS purity certificate (>95%)