</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Glyoxal Bis-Imidazole Precursor from Mexico

Pure Imidazole serving as precursor for glyoxal bis(2-hydroxyanil), a photographic chemical, classified in HTS 2933.29.60.00 as unfused imidazole. Used in dye synthesis for imaging applications.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Certify non-coloring per chapter exclusions; ensure no added stabilizers rendering it use-specific; comply with TSCA registration for US chemical import