Carbazole Crystals from Mexico
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 — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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