1,2-Ethanedithiol
Title: 1,2-Ethanedithiol
CAS Registry Number: 540-63-6
Additional Names: Dithioethyleneglycol; ethylenedimercaptan
Molecular Formula: C2H6S2
Molecular Weight: 94.20
Percent Composition: C 25.50%, H 6.42%, S 68.08%
Line Formula: HSCH2CH2SH
Literature References: Prepd by reacting ethanol, thiourea and ethylene dibromide and subsequent alka-line hydrolysis of the ethylenediisothiuronium bromide: Speciale, Org. Synth. 30, 35 (1950), modified procedure: Grogan et al., J. Org. Chem. 20, 50 (1955).
Properties: Liquid. d23.5 1.123. bp760 146°; bp150 76-81°; bp46 63°; bp24 51-52°. nD20 1.5589. Freely sol in alcohol and in alkalies.
Boiling point: bp760 146°; bp150 76-81°; bp46 63°; bp24 51-52°
Index of refraction: nD20 1.5589
Density: d23.5 1.123
CAUTION: Vapors of ethanedithiol may cause severe headache and nausea.

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