2-Methyl-4-isothiazolin-3-one (MIT) from Mexico
Methyl-substituted isothiazolinone listed specifically under HTS 2934.10.70.00, containing unfused thiazole ring. Common preservative in cosmetics, water treatment, and household products. Classifies as pure heterocyclic compound per Chapter 29 scope.
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
• Supply purity certificates (>98% typical) to distinguish from technical grade mixtures
• Include REACH/ TSCA documentation for regulatory compliance in chemical notifications
• Label containers with GHS hazard pictograms required for thiazole-based sensitizers