7801. 1,3-Propanedithiol

Nomenclature

CAS number: 109-80-8
1,3-Dimercaptopropane; dithiotrimethyleneglycol; trimethylenedimercaptan; trimethylenedithioglycol.
C3H8S2; mol wt 108.23.
C 33.29%, H 7.45%, S 59.25%.

Description and references

Prepd by alkaline hydrolysis of propylene-1,3-diisothiuronium dihydrochloride: Grogan et al., J. Org. Chem. 20, 50 (1955).

Chemical structure

Properties

Oil. Disagreeable odor. d420 1.0772. bp760 169-170°; bp759 170-171°; bp56 92-98°. nD20 1.5392. Volatile with steam. Slightly sol in water. Miscible with alcohol, ether, chloroform and benzene.