2-Mercaptobenzothiazole from Canada
2-Mercaptobenzothiazole is a benzothiazole derivative used primarily as an accelerator in rubber vulcanization processes. It contains the characteristic benzothiazole ring-system and falls under HTS 2934.20.8000 as 'other' compounds containing this ring structure, not further fused or specified elsewhere in the heading.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify chemical purity and provide Certificate of Analysis (CoA) to confirm it meets Chapter 29 definitions for chemically defined organic compounds
• Ensure proper Hazard Communication labeling as it's classified as a skin sensitizer; include Safety Data Sheet (SDS) with shipment
• Avoid misclassification as mixtures by confirming it's supplied as pure compound, not blended with carriers