MBTS Sodium Salt Technical Grade from Canada
Technical-grade sodium 2-mercaptobenzothiazole (98% purity), a direct precursor to delayed-action rubber accelerator MBTS. This compound features the benzothiazole ring with mercapto functionality, precisely matching HTS 2934.20.20.00. Excluded from other chapters per notes on heterocyclic specificity.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include TSCA certification for US entry; test for heavy metal impurities (<10ppm)
• Pitfall: importing in drums over 25kg may trigger additional hazmat fees