Sodium methanethiolate

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
CAS Number
  • 5188-07-8 checkY
3D model (JSmol)
  • Interactive image
ChemSpider
  • 71198 checkY
ECHA InfoCard 100.023.609 Edit this at Wikidata
EC Number
  • 225-969-9
PubChem CID
  • 4378561
UNII
  • LB29JWW8H7 ☒N
CompTox Dashboard (EPA)
  • DTXSID7027592 Edit this at Wikidata
InChI
  • InChI=1S/CH4S.Na/c1-2;/h2H,1H3;/q;+1/p-1 checkY
    Key: RMBAVIFYHOYIFM-UHFFFAOYSA-M checkY
  • InChI=1/CH4S.Na/c1-2;/h2H,1H3;/q;+1/p-1
  • [Na+].[S-]C
Properties
Chemical formula
 CH3NaS
Molar mass 70.08 g·mol−1
Appearance yellow-red[1]
Solubility in water
 soluble[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
Chemical compound

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 methylthioether and other organic compounds like ethyl bromide. Its hydrolysis in moist air produces methanethiol, which has a low odor threshold and a noxious fecal smell.

References

  1. ^ a b "Sodium thiomethoxide | 5188-07-8".


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