p,p'-Dicumyldiphenylamine from Germany
p,p'-Dicumyldiphenylamine serves as a high-temperature stable antioxidant for synthetic elastomers and petroleum products. Classified in HTS 2921.44.2000 because it's enumerated in additional U.S. note 3 to section VI for quota-controlled diphenylamine derivatives. Its bulky cumyl groups prevent radical chain reactions effectively.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Use ISF filing 24 hours prior with precise chemical identification to avoid holds
• Provide end-use statements confirming industrial chemical application
• Watch for re-export documentation if quota goods diverted