2-(4-Morpholinothio)benzothiazole

2-(4-Morpholinothio)benzothiazole, commonly known as MBTS-M, MBS, or NOBS and sold under trade names including AMAX and Vulcafor BSM, is a sulfenamide-class rubber accelerator registered under CAS 102-77-2 and EC 203-052-4. It carries no assigned E-code and is classified under HS code 29342000.

In rubber vulcanization, MBTS-M functions as a delayed-action accelerator, releasing active sulfurating species only at processing temperatures, which reduces premature crosslinking during mixing and shaping. It is used in tire manufacturing to control cure rate in natural and synthetic rubber compounds, and in technical rubber goods where scorch safety and consistent network formation are process-critical requirements.

This material is supplied as buff to brown flakes conforming to standard rubber chemical grades and is subject to REACH registration requirements for EU market supply. Procurement teams should confirm SDS documentation, lot-specific purity certificates, and packaging format with the supplier prior to order placement.