Octylated Diphenylamine from Canada
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 — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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