Sodium methanethiolate

Sodium methanethiolate or sodium thiomethoxide (CH3SNa, MeSNa) is the sodium conjugate base of methanethiol. This compound is commercially available as a white solid. It is a powerful nucleophile that can be used to prepare methylthioethers. Its hydrolysis in moist air produces methanethiol, which has a low odor threshold and a noxious fecal smell.

For sodium 2-mercaptoethanesulfonate, see Mesna.
Sodium methanethiolate
Names
Preferred IUPAC name
Sodium methanethiolate
Other names
sodium thiomethoxide, sodium methyl mercaptide, sodium thiomethylate, methanethiol sodium salt, methyl mercaptan sodium salt
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.023.609
EC Number
  • 225-969-9
UNII
  • InChI=1S/CH4S.Na/c1-2;/h2H,1H3;/q;+1/p-1 Y
    Key: RMBAVIFYHOYIFM-UHFFFAOYSA-M Y
  • InChI=1/CH4S.Na/c1-2;/h2H,1H3;/q;+1/p-1
  • [Na+].[S-]C
Properties
CH3NaS
Molar mass 70.08 g·mol−1
Appearance yellow-red[1]
soluble[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references

References
  1. "Sodium thiomethoxide | 5188-07-8".


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