N-Butyl Isocyanate 98% Stabilized from China
N-Butyl isocyanate stabilized with 0.05% dibutyltin dilaurate (CAS 111-36-4) prevents polymerization during storage and transport. Remains classified under HTS 2929.10.2700 per Chapter 29 note (f) as the isocyanate retains its chemical identity with necessary stabilizer addition.
Duty Rate — China → United States
35%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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
• 1
• Declare stabilizer composition and percentage on commercial invoice; 2
• Stabilizer must be <1% to maintain principal compound status; 3
• Include accelerated stability test data