Sodium 2-Mercaptobenzothiazole Powder from Japan
Pure sodium salt of 2-mercaptobenzothiazole, a heterocyclic compound containing a benzothiazole ring system, supplied as a fine white to pale yellow powder. This chemical is classified under HTS 2934.20.20.00 as it exactly matches the specified compound, whether or not chemically defined, per Chapter 29 notes. It serves as a key reagent in rubber vulcanization and corrosion inhibition.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Verify purity certificate (typically >98%) and CAS number 2492-26-4 for customs clearance; ensure proper Hazard Class 8 labeling for corrosive nature
• Common pitfall: misdeclaration as generic thiol leads to reclassification