Product Name

  • Name

    1,5-Pentanedithiol

  • EINECS 213-194-9
  • CAS No. 928-98-3
  • Article Data11
  • CAS DataBase
  • Density 0.979 g/cm3
  • Solubility
  • Melting Point -72 °C(lit.)
  • Formula C5H12S2
  • Boiling Point 229.1 °C at 760 mmHg
  • Molecular Weight 136.282
  • Flash Point 95 °C
  • Transport Information UN 3334
  • Appearance colourless liquid with a very unpleasant smell
  • Safety 36/37/39-26
  • Risk Codes 36/37/38-20/21/22
  • Molecular Structure Molecular Structure of 928-98-3 (1,5-Pentanedithiol)
  • Hazard Symbols HarmfulXn
  • Synonyms 1,5-Dimercaptopentane;1,5-Dithiolpentane;NSC 51699;
  • PSA 77.60000
  • LogP 2.01630

1,5-Pentanedithiol Chemical Properties

IUPAC Name: pentane-1,5-dithiol 
Empirical Formula: C5H12S2
Molecular Weight: 136.2788g/mol
EINECS: 213-194-9 
Structure of 1,5-Pentanedithiol (CAS NO.928-98-3):

Index of Refraction: 1.501
Molar Refractivity: 41 cm3
Molar Volume: 139.1 cm3
Polarizability: 16.25×10-24cm3
Surface Tension: 33.4 dyne/cm
Density: 0.979 g/cm3
Flash Point: 95 °C
Enthalpy of Vaporization: 44.68 kJ/mol
Boiling Point: 229.1 °C at 760 mmHg
Vapour Pressure: 0.107 mmHg at 25°C 
Stability: Stable. Combustible. Incompatible with strong oxidizing agents, strong bases. 
Physical Appearance: colourless liquid with a very unpleasant smell
Canonical SMILES: C(CCS)CCS
InChI: InChI=1S/C5H12S2/c6-4-2-1-3-5-7/h6-7H,1-5H2
InChIKey: KMTUBAIXCBHPIZ-UHFFFAOYSA-N

1,5-Pentanedithiol Safety Profile

Hazard Codes: HarmfulXn
Risk Statements: 36/37/38-20/21/22
R36/37/38:Irritating to eyes, respiratory system and skin. 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements: 36/37/39-26
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
RIDADR: UN3334
WGK Germany: 3
F: 13
HazardClass: 9
HS Code: 29309070

1,5-Pentanedithiol Specification

  1,5-Pentanedithiol , its cas register number is 928-98-3. It also can be called 1,5-Dimercaptopentane ; Pentane-1,5-dithiol . 
 1,5-Pentanedithiol (CAS NO.928-98-3) is irritating to eyes, respiratory system and skin. And it's harmful by inhalation, in contact with skin and if swallowed.

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