Monomethyldiphenylamine from China
Monomethyldiphenylamine is a methylated derivative used as an intermediate in dye manufacturing and rubber antioxidants. It falls under HTS 2921.44.2000 per additional U.S. note 3 to section VI, which regulates certain aromatic amine imports. The methyl substitution modifies reactivity for specific polymerization applications.
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
• Maintain drum labeling with batch purity certificates (>98%) for CBP examination
• Pre-clear quota availability through licensed customs broker specializing in chemicals
• Avoid seasonal import peaks when quotas near exhaustion