Carbazole Crystals from Canada
Carbazole, a tricyclic nitrogen heterocycle used in dyes, electronics, and pharmaceuticals. Pure form classified under HTS 2933.99.9701 as other nitrogen hetero-atom compounds, meeting chemically defined compound criteria.
Duty Rate — Canada → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Sublimed purity certificate essential; technical grade risks 3824
• REACH compliance for EU re-export; TSCA for US manufacturing
• Light-sensitive; improper packaging causes degradation and disputes