Methanedithiol is an organosulfur compound with the formula H2C(SH)2. It forms when formaldehyde is treated with hydrogen sulfide under pressure. The reaction competes with formation of trithiane. The compound forms a solid dibenzoate upon treatment with benzoic anhydride.[1]

Methanedithiol
Names
Preferred IUPAC name
Methanedithiol
Other names
Dimercaptomethane
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.166.842 Edit this at Wikidata
UNII
  • InChI=1S/CH4S2/c2-1-3/h2-3H,1H2
    Key: INBDPOJZYZJUDA-UHFFFAOYSA-N
  • SCS
Properties
CH4S2
Molar mass 80.16 g·mol−1
Appearance Colorless liquid
Boiling point 58 °C (136 °F; 331 K)
1.581
Hazards
GHS labelling:
GHS02: Flammable
Warning
H226
P210, P233, P240, P241, P242, P243, P280, P303+P361+P353, P370+P378, P403+P235, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

References edit

  1. ^ Cairns, T. L.; Evans, G. L.; Larchar, A. W.; McKusick, B. C. (1952). "gem-Dithiols". Journal of the American Chemical Society. 74 (16): 3982–9. doi:10.1021/ja01136a004.