Diphenylguanidine from Canada
An organic compound with guanidine nitrogen functionality used as a rubber accelerator. Classified in 2929.90.50 as it features 'other nitrogen function' beyond specific amide, imine, or hydrazine categories. Meets Chapter 29 requirement for chemically defined compounds.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Confirm >98% purity for Chapter 29 classification; Include accelerator performance specs in documentation; Avoid retail packaging that suggests Chapter 38 mixtures