N,N-Dicyclohexyl-2-Benzothiazole Sulfenamide (DCBS) from Japan
Vulcanization accelerator specifically named in HTS 2934.20.25.00 containing dicyclohexylamine moiety attached to benzothiazole sulfenamide. Primary use in delayed-action rubber curing systems for tire manufacturing. Qualifies as chemically defined organo-sulfur heterocyclic compound.
Duty Rate — Japan → United States
12.5%
Rate breakdown
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
• CAS 53880-86-7 must appear on all documentation; common misclassification as 2930 organo-sulfur compound
• Melting point 82-86°C specification helps verify identity during CBP examination
• Import as pure chemical only; rubber masterbatch form goes to Chapter 40