2-Benzothiazolethiol Sodium Salt Solution 50% from Canada
50% aqueous solution of sodium 2-mercaptobenzothiazole, where the solvent is added solely for safe transport per Chapter 29 note (d). Still classified as the pure compound under HTS 2934.20.20.00, not as a preparation, due to the specific allowance for dilutions. Used in water-based rubber processing.
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
• Confirm solution concentration <70% to qualify under note (d); provide stability data
• Pitfall: higher concentrations or added surfactants shift to 3824