N,N-Dicyclohexyl-2-Benzothiazole Sulfenamide (DCBS) from China
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 — China → United States
37.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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