2-(Morpholinothio)benzothiazole (MBS) from Mexico
MBS is a sulfenamide-type benzothiazole accelerator providing scorch safety in rubber compounding, particularly for automotive applications. Falls under HTS 2934.20.4000 as specified in additional U.S. note 3 for pure heterocyclic compounds.
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
• Confirm 98%+ purity to maintain Chapter 29 classification vs mixtures
• Provide end-use statement if customs questions industrial vs retail application
• Check for REACH compliance documentation if transshipping from Europe