5-Nitrobenzimidazole from China
A nitro-substituted benzimidazole used in photographic antifoggants and stabilizers for silver halide emulsions. This aromatic fused heterocyclic system prevents unwanted fog during film development. Classified under HTS 2933.99.24.00 as a photographic chemical per Chapter 29 nitro derivative provisions.
Duty Rate — China → United States
19%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Nitro compounds require additional fire safety declarations; provide emulsion compatibility data; ensure proper sequencing per Chapter 29 classification note 3