MBT/2-Mercaptobenzothiazole；Thiotax/Captax/Accelerator M/2-Benzothiazolethiol

English Name: MBT; 2-Mercaptobenzothiazole； Thiotax； Captax； Accelerator M； 2-Benzothiazolethiol

Other names: benzothiazole mercaptan; Accelerator M; M quick maturing powder; 2-mercapto-1,3-azathioindene; 2-Mercaptobenzothiazole; 2-Mercaptobenzothiazole; 2 (3H) benzothiazole thione

CAS No.: 149-30-4

C7H5NS2=167.26

Grade: ar

Content: ≥ 99.0%

Melting point: 181 ~ 183 ℃

Ethanol dissolution test: qualified

Cadmium sensitivity test: acceptable

Burning residue: ≤ 0.1%

 Physicochemical properties : light yellow monoclinic needle or leaf crystal. There is an unpleasant smell. Solubility (g/100ml) at 25 ℃: 2.0 in ethanol, 1.0 in ether, 10.0 in acetone, 1.0 in benzene, less than 0.2 in carbon tetrachloride and less than 0.5 in crude gasoline. Soluble in alkali and alkali carbonate solution, an appropriate amount soluble in glacial acetic acid, almost insoluble in water. The relative density is 1.42. The melting point is 180.2 ~ 181.7 ℃ (170 ~ 175 ℃ for industrial products). Toxic.

Purpose: biochemical research. Inspect bismuth, cobalt, copper, gold, lead, mercury, nickel, thallium and zinc. Gravimetric determination of silver, cadmium, iridium, lead, platinum and rhodium. Spectrophotometric Determination of selenium and tellurium. Determination of silver by volumetric analysis. Rubber vulcanization accelerator.

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