Title: 2,2¢-Dithiobis[benzothiazole]
CAS Registry Number: 120-78-5
Additional Names: MBTS; 2,2¢-dibenzothiazyl disulfide; benzothiazyl disulfide; dibenzthiazyl disulfide; mercaptobenzthiazyl ether
Trademarks: Thiofide
Molecular Formula: C14H8N2S4
Molecular Weight: 332.49
Percent Composition: C 50.57%, H 2.43%, N 8.43%, S 38.58%
Literature References: Formed by oxidation of 2-mercaptobenzothiazole.
Properties: Pale yellow needles from benzene. d 1.50. mp 180°; also reported as mp 186°; the commercial product, mp 168° min. Insoluble in water. Solubility at 25° (g/100 ml): in alcohol <0.2; in acetone <0.5; in benzene <0.5; in carbon tetrachloride <0.2 (somewhat more in chloroform); in ether <0.2; in naphtha <0.5.
Melting point: mp 180°; mp 186°; mp 168° min
Density: d 1.50
Use: As accelerator in the rubber industry.

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