Product Name

  • Name

    2-Thienylmethanethiol

  • EINECS 228-394-1
  • CAS No. 6258-63-5
  • Article Data9
  • CAS DataBase
  • Density 1.191 g/cm3
  • Solubility slightly soluble in water
  • Melting Point
  • Formula C5H6S2
  • Boiling Point 200.3 °C at 760 mmHg
  • Molecular Weight 130.235
  • Flash Point 74.9 °C
  • Transport Information
  • Appearance clear colourless to slightly yellow liquid
  • Safety 24/25
  • Risk Codes 36-43-22
  • Molecular Structure Molecular Structure of 6258-63-5 (2-Thienylmethanethiol)
  • Hazard Symbols Xi
  • Synonyms (Thiophen-2-yl)methanethiol;2-(Mercaptomethyl)thiophene;2-Thienylmethanethiol;2-Thienylmethyl mercaptan;Thenyl mercaptan;
  • PSA 67.04000
  • LogP 2.17790

2-Thenylmercaptan Specification

The IUPAC name of 2-Thiophenemethanethiol is thiophen-2-ylmethanethiol. With the CAS registry number 6258-63-5, it is also named as 2-Thenylmercaptan. The product's category is Sulfur. Besides, it is clear colourless to slightly yellow liquid, which should be stored in closed containers in a cool, dry warehouse away from fire. When you are using this chemical, please avoid contact with skin and eyes. In addition, its molecular formula is C5H6S2 and molecular weight is 130.22.

The other characteristics of this product can be summarized as: (1)EINECS: 228-394-1; (2)ACD/LogP: 2.42; (3)# of Rule of 5 Violations: 0; (4)ACD/LogD (pH 5.5): 2.42; (5)ACD/LogD (pH 7.4): 2.41; (6)ACD/BCF (pH 5.5): 40.44; (7)ACD/BCF (pH 7.4): 39.77; (8)ACD/KOC (pH 5.5): 491.79; (9)ACD/KOC (pH 7.4): 483.59; (10)#H bond acceptors: 0; (11)#H bond donors: 0; (12)#Freely Rotating Bonds: 2; (13)Polar Surface Area: 53.54 Å2; (14)Index of Refraction: 1.601; (15)Molar Refractivity: 37.44 cm3; (16)Molar Volume: 109.2 cm3; (17)Polarizability: 14.84×10-24cm3; (18)Surface Tension: 42.5 dyne/cm; (19)Density: 1.191 g/cm3; (20)Flash Point: 74.9 °C; (21)Enthalpy of Vaporization: 41.86 kJ/mol; (22)Boiling Point: 200.3 °C at 760 mmHg; (23)Vapour Pressure: 0.463 mmHg at 25 °C.

Preparation of 2-Thiophenemethanethiol: this chemical can be prepared by 2-Chloromethyl-thiophene.



The yield is 80 %.

Uses of 2-Thiophenemethanethiol: it can react with Di-[3]thienyl-butadiyne to get 3'-Thiophen-3-ylmethyl-[2,2';5',3'']terthiophene.



This reaction needs Dimethylsulfoxide and KOH at ambient temperature for 1 hour. The yield is 68 %.

People can use the following data to convert to the molecule structure.
(1)SMILES: SCc1sccc1
(2)InChI: InChI=1/C5H6S2/c6-4-5-2-1-3-7-5/h1-3,6H,4H2
(3)InChIKey: GCZQHDFWKVMZOE-UHFFFAOYAB
(4)Std. InChI: InChI=1S/C5H6S2/c6-4-5-2-1-3-7-5/h1-3,6H,4H2
(5)Std. InChIKey: GCZQHDFWKVMZOE-UHFFFAOYSA-N

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