Diphenylurea from China
Diphenylurea (symmetrical diarylurea) is used in explosives, dyes, and pharmaceuticals as a ureine derivative. HTS 2924.21.50.00 covers it as 'other' ureines and derivatives; salts thereof under Chapter 29 organic compounds.
Duty Rate — China → United States
44%
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
• ATF Form 5400.4 if explosive precursor end-use suspected
• DSC thermal stability data required for safe transport classification
• Purity >99% HPLC confirmation prevents mixture classification