Product Name

  • Name

    1,4-Benzenedithiol

  • EINECS -0
  • CAS No. 624-39-5
  • Article Data13
  • CAS DataBase
  • Density 1.240±0.06 g/cm3(Predicted)
  • Solubility Soluble in water.
  • Melting Point 90°C
  • Formula C6H6 S2
  • Boiling Point 243.3 °C at 760 mmHg
  • Molecular Weight 142.246
  • Flash Point 111.8 °C
  • Transport Information
  • Appearance white to light yellow solid
  • Safety 26-36/37/39
  • Risk Codes 20/21/22-36/37/38
  • Molecular Structure Molecular Structure of 624-39-5 (1,4-Benzenedithiol)
  • Hazard Symbols R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.; R36/38:Irritating to eyes and skin.;
  • Synonyms p-Benzenedithiol(6CI,7CI,8CI); 1,4-Dimercaptobenzene; 4-Mercaptothiophenol; Hydroquinonedisulfide
  • PSA 77.60000
  • LogP 2.26400

1,4-Benzenedithiol Chemical Properties

Empirical Formula: C6H6S2
Molecular Weight: 142.2418g/mol
Structure of 1,4-Benzenedithiol (CAS NO.624-39-5):

Index of Refraction: 1.665
Molar Refractivity: 42.6 cm3
Molar Volume: 114.6 cm3
Polarizability: 16.88×10-24cm3
Surface Tension: 49.6 dyne/cm
Density: 1.24 g/cm3
Flash Point: 111.8 °C
Enthalpy of Vaporization: 46.08 kJ/mol
Boiling Point: 243.3 °C at 760 mmHg
Vapour Pressure: 0.0506 mmHg at 25°C 
Product Categories: Phenol&Thiophenol&Mercaptan;Phenoles and thiophenoles;Fluorenes, etc. (reagent for high-performance polymer research);Functional Materials;Reagent for High-Performance Polymer Research;Sulfur Compounds (for Synthesis);Synthetic Organic Chemistry 
Systematic Name: benzene-1,4-dithiol
SMILES: Sc1ccc(S)cc1
InChI: InChI=1/C6H6S2/c7-5-1-2-6(8)4-3-5/h1-4,7-8H
InChIKey: WYLQRHZSKIDFEP-UHFFFAOYAU

1,4-Benzenedithiol Safety Profile

Risk Statements: 20/21/22-36/37/38 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
RIDADR: 2811

1,4-Benzenedithiol Specification

  1,4-Benzenedithiol , its cas register number is 624-39-5. It also can be called Benzol-1,4-dithiol ; 1,4-Dimercaptobenzene .
 1,4-Benzenedithiol (CAS NO.624-39-5) is harmful by inhalation, in contact with skin and if swallowed. And it is irritating to eyes, respiratory system and skin.

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