N-Cyclohexyl-2-benzothiazolesulfenamide (CBS) from Japan
CBS is a delayed-action vulcanization accelerator containing the benzothiazole ring-system, widely used in tire and rubber manufacturing. Classified under HTS 2934.20.4000 per additional U.S. note 3, as it's a specific heterocyclic compound listed for tariff purposes.
Duty Rate — Japan → United States
21%
Rate breakdown
9903.04.628.5%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide technical data sheet confirming benzothiazole content and CAS number for customs verification
• Ensure packaging complies with UN regulations for chemical transport (often UN 3077)
• Monitor Section VI note 3 quantities if applicable to avoid over-quota duties