o-Phenylenediamine (1,2-Diaminobenzene) from Canada
Pure o-phenylenediamine serves as an intermediate for benzimidazoles, dyes, and fungicides. Classified in HTS 2921.51.30.00 because it matches the products enumerated in additional U.S. note 3 to section VI.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide NMR spectra confirming structure per note 3 requirements
• Package to prevent oxidation; stabilizers must comply with note 1(f)
• Declare exact assay percentage to avoid mixture classification