2,2'-Dithiobisbenzothiazole (DMTS)
2,2'-Dithiobisbenzothiazole, also known as DMTS or bis(2-benzothiazolyl) disulfide, is a sulfur-containing heterocyclic compound featuring a benzothiazole ring system. It falls under HTS 2934.20.10.00 as a specific compound containing the benzothiazole ring (whether hydrogenated or not) that is not further fused with other rings. Primarily used as a vulcanization accelerator in rubber production.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pre-mixed with other rubber additives as a compounded accelerator
Mixtures of vulcanization accelerators are classified under heading 3812 rather than as pure organic compounds of chapter 29.
If containing additional organo-sulfur linkages beyond the dithiobis structure
Other organo-sulfur compounds not specifically named under benzothiazole headings fall into 2930.
If imported as an impure technical grade with significant non-chemical impurities
Prepared binders or chemical products not elsewhere specified may apply if it doesn't meet chapter 29 purity criteria.
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Import Tips & Compliance
• Provide detailed chemical analysis certificates confirming purity and structure to avoid misclassification; ensure SDS sheets comply with HAZMAT regulations for sulfur compounds
• Common pitfall: incorrect declaration as a mixture rather than pure compound
Related Products under HTS 2934.20.10.00
Captax MBTS Rubber Accelerator
Captax MBTS is the commercial grade 2,2'-dithiobisbenzothiazole used in tire and rubber manufacturing as a delayed-action vulcanization accelerator. Classified under HTS 2934.20.10.00 due to its specific benzothiazole ring structure as a separate chemically defined organic compound. It improves scorch safety in natural and synthetic rubber compounds.
NOBS-60 Pre-Dispersed MBTS Accelerator
NOBS-60 is a 60% dispersion of 2,2'-dithiobisbenzothiazole on polymer carrier for even distribution in rubber mixes. Despite dispersion, the active ingredient's benzothiazole structure qualifies it under HTS 2934.20.10.00 as the principal compound. Used in automotive belts and hoses for controlled vulcanization.
Vulcuren MBS Rubber Chemical
Vulcuren MBS is a high-purity 2,2'-dithiobisbenzothiazole variant optimized for low-temperature vulcanization in synthetic rubbers. It matches HTS 2934.20.10.00 exactly as an unfused benzothiazole ring compound used in seals and gaskets. Provides excellent aging resistance in final products.
Benzothiazole Disulfide Powder 98%
Technical grade 98% 2,2'-dithiobisbenzothiazole powder for large-scale rubber processing plants. Classified precisely under HTS 2934.20.10.00 for its chemically defined benzothiazole structure with allowable impurities per chapter notes. Essential for conveyor belt and footwear production.