Dibutylamine from China
Dibutylamine (C4H9)2NH is a secondary acyclic monoamine used in dye manufacturing and rubber chemicals. Classified under 2921.19.61 as chemically defined acyclic monoamine derivative per Chapter 29 note (a).
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
• GC purity certificate (>98%) essential; technical grades often exceed impurity limits
• Dark amber bottles required for light-sensitive amine; clear containers cause degradation
• Molecular weight confirmation (129.24) prevents n-butylamine mix-up at entry