N,N'-Diphenylguanidine from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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