2,2'-Dithiobisbenzothiazole (DMTS) from Canada
2,2'-Dithiobisbenzothiazole, also known as DMTS or bis(2-benzothiazolyl) disulfide, is a sulfur-containing heterocyclic compound featuring a benzothiazole ring system. It falls under HTS 2934.20.10.00 as a specific compound containing the benzothiazole ring (whether hydrogenated or not) that is not further fused with other rings. Primarily used as a vulcanization accelerator in rubber production.
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
• Provide detailed chemical analysis certificates confirming purity and structure to avoid misclassification; ensure SDS sheets comply with HAZMAT regulations for sulfur compounds
• Common pitfall: incorrect declaration as a mixture rather than pure compound