Methanethiol

CH4SCAS 74-93-148.10 g/mol

SH
Thiol

Properties

Molecular formula
CH4S
Molar mass
48.10 g/mol
Exact mass
48.0034 Da
Density
0.96 g/mL (at 25 °C)
Melting point
−123 °C
Boiling point
5.95 °C
logP
0.55Crippen estimate
Polar surface area
0.0 Ų
H-bond donors / acceptors
1 / 1
Rotatable bonds
0

Hazards

No GHS classification is on file for this compound. That is not evidence that it is harmless. Search the SDS library

Identifiers

CAS number
74-93-1
SMILES
CS
InChIKey
LSDPWZHWYPCBBB-UHFFFAOYSA-N
InChI
InChI=1S/CH4S/c1-2/h2H,1H3

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

2 names
  • Mercaptomethane
  • Methyl mercaptan

Work with Methanethiol

Stereoisomers, salts and isotopologues

The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.

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