Structural Formula Vector Image
Title: 1,3-Propanedithiol
CAS Registry Number: 109-80-8
Additional Names: 1,3-Dimercaptopropane; trimethylenedithioglycol; dithiotrimethyleneglycol; trimethylenedimercaptan
Molecular Formula: C3H8S2
Molecular Weight: 108.23
Percent Composition: C 33.29%, H 7.45%, S 59.25%
Line Formula: HSCH2CH2CH2SH
Literature References: Prepd by alkaline hydrolysis of propylene-1,3-diisothiuronium dihydrochloride: Grogan et al., J. Org. Chem. 20, 50 (1955).
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.
Boiling point: bp760 169-170°; bp759 170-171°; bp56 92-98°
Index of refraction: nD20 1.5392
Density: d420 1.0772

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