N-(4-Dimethylaminobenzylidene)aniline from China
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 — China → United States
41.2%
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
• 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%)