2-Mercaptothiazoline from Mexico
2-Mercaptothiazoline (2-thiazoline-2-thiol) features an unfused thiazole ring with a thiol substituent, used in rubber vulcanization and photography. Falls under HTS 2934.10.90.00 as an 'other' thiazole compound per Chapter 29 definitions for organo-sulfur heterocycles not covered by heading 2930.
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
• Classify as UN2785 organosulfur compound for DOT hazmat shipping compliance
• Provide vulcanization accelerator test data if declaring industrial chemical use
• Include stabilizer composition if product contains anti-oxidants exceeding Chapter 29 impurity limits