2-Methylmercaptobenzimidazole from Mexico
A specific benzimidazole derivative with organo-sulfur functionality, explicitly listed in HTS 2933.99.1200. Used as rubber vulcanization accelerator and corrosion inhibitor. Classified here rather than organo-sulfur heading 2930 per chapter notes.
Duty Rate — Mexico → United States
15.8%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• TSCA inventory status must be certified
• Rubber industry end-use declaration prevents misclassification
• Odor documentation required for proper transport