Octylated Diphenylamine from China
Octylated diphenylamine consists of mono- and di-octyl substituted derivatives used as antioxidants in lubricating oils and rubber products. It qualifies for HTS 2921.44.2000 as a diphenylamine derivative specified in additional U.S. note 3 to section VI for import quota management. The alkyl substitution enhances solubility and performance in petroleum applications.
Duty Rate — China → United States
41.5%
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
• Submit import license applications early due to annual quota limits; track via USITC dataweb
• Include GC-MS analysis confirming octyl content >95% to prevent purity disputes
• Pitfall: bulk shipments without proper segregation risk contamination and reclassification