N,N'-Diphenylguanidine from China
N,N'-Diphenylguanidine is an aromatic imine-function compound specifically enumerated under HTS 2925.29.18.00, used primarily as an accelerator in rubber vulcanization processes. Its chemical structure features the guanidine moiety with phenyl substituents, qualifying it as a derivative of imines in this tariff subheading.
Duty Rate — China → United States
35%
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
• Provide detailed chemical analysis certificates confirming purity and structure to match the enumerated specification
• Ensure SDS and REACH compliance documentation for handling as a vulcanization accelerator
• Verify CAS number 102-06-7 matches import declaration to avoid misclassification