Benzothiazole-2-thiol
Also known as 2-benzothiazolethiol, this compound is a key intermediate and accelerator containing the unfused benzothiazole ring-system. HTS 2934.20.4000 applies per additional U.S. note 3 to section VI for these specifically described products.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified by thioalcohol function
Thiol (-SH) group could prioritize organo-sulfur heading 2930 over heterocyclic structure.
If when used/formulated as lubricant additive
Specialty lubricant additives containing organic compounds move to Chapter 34.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Use CAS 149-30-4 in commercial invoice for accurate identification
• Include stabilizer content documentation per Chapter 29 note 2(f)
• Avoid bulk packaging that might trigger 'preparation' classification
Related Products under HTS 2934.20.40.00
2-Mercaptobenzothiazole
2-Mercaptobenzothiazole is a benzothiazole derivative used primarily as a vulcanization accelerator in rubber production. It falls under HTS 2934.20.4000 as a compound containing a benzothiazole ring-system and is specifically listed in additional U.S. note 3 to section VI for chemical compounds subject to special tariff treatment.
N-Cyclohexyl-2-benzothiazolesulfenamide (CBS)
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.
Zinc 2-Mercaptobenzothiazole
This zinc salt of 2-mercaptobenzothiazole serves as a rubber accelerator and corrosion inhibitor with the characteristic benzothiazole ring. It qualifies for HTS 2934.20.4000 under additional U.S. note 3 to section VI and Chapter 29 salt classification rules.
2-(Morpholinothio)benzothiazole (MBS)
MBS is a sulfenamide-type benzothiazole accelerator providing scorch safety in rubber compounding, particularly for automotive applications. Falls under HTS 2934.20.4000 as specified in additional U.S. note 3 for pure heterocyclic compounds.
N-tert-Butyl-2-benzothiazolesulfenamide (TBBS)
TBBS is a fast-curing rubber accelerator with benzothiazole structure, ideal for tire treads and mechanical goods. Classified in HTS 2934.20.4000 under additional U.S. note 3 for pure benzothiazole compounds.