4,4'-Bis(α,α-dimethylbenzyl)diphenylamine from China
4,4'-Bis(α,α-dimethylbenzyl)diphenylamine is a sterically hindered aromatic amine used primarily as an antioxidant and stabilizer in rubber and polymer production. It is a derivative of diphenylamine, which falls under tariff item 2921.44.00, and is imported in bulk for industrial compounding.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the product is a pure, chemically defined compound per Chapter 29 notes; impurities are allowed but must not alter its general use
• Declare the correct 8-digit code 2921.44.00 to avoid reclassification
• Keep technical data sheets and certificates of analysis for CBSA verification