Propane-1,3-dithiol

1,3-Propanedithiol
1,3-Propanedithiol
1,3-Propanedithiol molecule
Names
Preferred IUPAC name
Propane-1,3-dithiol
Other names
1,3-Dimercaptopropane
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.003.371 Edit this at Wikidata
EC Number
  • 203-706-9
RTECS number
  • TZ2585500
UNII
UN number 3336
  • InChI=1S/C3H8S2/c4-2-1-3-5/h4-5H,1-3H2 checkY
    Key: ZJLMKPKYJBQJNH-UHFFFAOYSA-N checkY
  • InChI=1/C3H8S2/c4-2-1-3-5/h4-5H,1-3H2
    Key: ZJLMKPKYJBQJNH-UHFFFAOYAS
  • SCCCS
Properties
C3H8S2
Molar mass 108.22 g·mol−1
Appearance Colorless liquid
Density 1.078 g/cm3
Melting point −79 °C (−110 °F; 194 K)
Boiling point 169 °C (336 °F; 442 K)
slight
Solubility in solvents all organic solvents
1.539
Structure
0 D
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
stench
GHS labelling:
GHS07: Exclamation mark
Warning
H302, H315, H319, H335
P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, P501
Flash point 138 °C (280 °F; 411 K)
Related compounds
Related compounds
1,2-ethanedithiol
1,2-propanedithiol
lipoic acid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)

1,3-Propanedithiol is the chemical compound with the formula HSCH2CH2CH2SH. This dithiol is a useful reagent in organic synthesis. This liquid, which is readily available commercially, has an intense stench.