Accelerator MBT(M) | 2-Mercaptobenzothiazole

CAS No. 149-30-4

Molecular Formula: C7H5NS2

Other Synonyms: Rubber accelerator MBT ; Rubber accelerator M

Packaging: 25kg per bag

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Rubber accelerator MBT, also known as 2-Mercaptobenzothiazole, is a light yellow powder and granule. The density is 1.42-1.52g/cm3. Easily soluble in Ethyl acetate, Acetone, soluble in ethanol, slightly soluble in Toluene, insoluble in Benzene, Water. Rubber vulcanizing accelerator MBT is mainly used in IR, NR, SBR, NBR, IIR, EPOM as and acid accelerator, which has the medium speed accelerating rate. Rubber vulcanizing accelerator MBT has better activity when used with DM and TMTD. Its accelerative temperature is low and easily be dispersed with lower pollution.



Light yellow powder



Melting point


Loss on drying




Residues on 150 μm sieve


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