Imidazole (C3H4N2) from Canada
Imidazole is a five-membered heterocyclic aromatic compound with two nitrogen atoms, classified under HTS 2933.29.60.00 as a compound containing an unfused imidazole ring. It serves as a fundamental building block in organic synthesis for pharmaceuticals and agrochemicals.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Verify purity certificates (≥99%) as impurities may affect classification; ensure SDS includes chemical identity for HAZMAT compliance; declare as pure compound, not mixtures exceeding chapter note limits