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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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