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, MeSNa
Identifiers
CAS Number	5188-07-8 ;
3D model (JSmol)	Interactive image;
ChemSpider	71198 ;
ECHA InfoCard	100.023.609
EC Number	225-969-9;
PubChem CID	4378561;
UNII	LB29JWW8H7 ;
CompTox Dashboard (EPA)	DTXSID7027592 ;
	InChI InChI=1S/CH4S.Na/c1-2;/h2H,1H3;/q;+1/p-1 Key: RMBAVIFYHOYIFM-UHFFFAOYSA-M ; InChI=1/CH4S.Na/c1-2;/h2H,1H3;/q;+1/p-1;
	SMILES [Na+].[S-]C;
Properties
Chemical formula	CH3NaS
Molar mass	70.08 g·mol−1
Appearance	white
Density	1.43 g/cm3
Melting point	88–90 °C (190–194 °F; 361–363 K)
Solubility in water	soluble
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Sodium methanethiolate or sodium thiomethoxide is an organosulfur compound with the formula CH₃SNa. It is the sodium salt of the conjugate base of methanethiol. This compound is commercially available as a white solid that is soluble in polar organic solvents. Sodium methanethiolate is a reagent in organic synthesis and a byproduct of some industrial processes. Hydrolysis of sodium methanethiolate, e.g. in humid air, produces methanethiol, which has a low odor threshold and a noxious "rotten egg" smell.