9531. Toluene-3,4-dithiol

Nomenclature

CAS number: 496-74-2
1,2-Dimercapto-4-methylbenzene; “dithiol”.
C7H8S2; mol wt 156.27.
C 53.80%, H 5.16%, S 41.04%.

Description and references

Prepd from toluene-3,4-disulfonyl chloride with tin and hydrochloric acid: Mills, Clark, J. Chem. Soc. 1936, 178.

Chemical structure

Properties

Crystals, mp 31°. bp84 185-187°. Sol in benzene, in aq alkali hydroxide solns.

Use

For the detection of bismuth, molybdenum, rhenium, tin, tungsten, see Bickford et al., J. Am. Pharm. Assoc. Sci. Ed. 37, 255 (1948).