p-Diazo-N,N-Dimethylaniline Zinc Chloride from China
Stabilized double salt used in instant photographic developers for rapid azo coupling in print materials. Falls under HTS 2927.00.25.00 as a photographic diazo compound per Chapter 29 coordination compound rules.
Duty Rate — China → United States
44%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
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)
Import Tips
• Classify under note 5(C)(3) for metal coordination; provide structural analysis if challenged
• Use UN-approved packaging for diazonium salt sensitivity to shock and heat
• Include batch purity certificates (>98%) to distinguish from industrial-grade impurities