Sodium thiomethoxide

Sodium thiomethoxide Basic information

Product Name:	Sodium thiomethoxide
Synonyms:	SODIUM METHYL SULFIDE;SODIUM THIOMETHOXIDE;Sodium thiomethoxyde;1-Methanethiolsodiumsalt;Sodium methanethiol;Sodium thiomethoxide, pure, 95%;Sodium thiomethoxide, Methanethiol sodium salt;METHYL MERCAPTAN SODIUM SALT: 15% IN WATER
CAS:	5188-07-8
MF:	CH3NaS
MW:	70.09
EINECS:	225-969-9
Product Categories:	Classes of Metal Compounds;Na (Sodium) Compounds (excluding simple sodium salts);Typical Metal Compounds;API;Aliphatics;Sulfur & Selenium Compounds;YP00036
Mol File:	5188-07-8.mol

Sodium thiomethoxide Chemical Properties

density	1.12[at 20℃]
vapor pressure	29hPa at 25℃
Fp	27°C
storage temp.	Flammables area
solubility	soluble in Water
form	Powder
color	White to off-white
Water Solubility	soluble
Merck	14,5956
BRN	3592983
InChI	InChI=1S/CH4S.Na/c1-2;/h2H,1H3;/q;+1/p-1
InChIKey	RMBAVIFYHOYIFM-UHFFFAOYSA-M
SMILES	CS[Na]
LogP	-2.33 at 20℃
CAS DataBase Reference	5188-07-8(CAS DataBase Reference)
EPA Substance Registry System	Methanethiol, sodium salt (5188-07-8)

Safety Information

Hazard Codes	C,F
Risk Statements	31-34-20/21/22-11-35-25-10
Safety Statements	26-36/37/39-45-16
RIDADR	UN 3263 8/PG 3
WGK Germany	3
F	1-34-10-13
HazardClass	4.3
PackingGroup	II
HS Code	29309090

MSDS Information

Provider	Language
Sodium thiomethoxide	English
SigmaAldrich	English
ACROS	English

Sodium thiomethoxide Usage And Synthesis

Chemical Properties	Very faint yellowish red clear liquid
Uses	Used to prepare a C-21 thioether of methyl 16-prednisolonecarboxylate by mesylate displacement.
Uses	Sodium thiomethoxide is a strong nucleophile used for the synthesis of methyl aryl sulfides from halo-arenes. Alkanethiolates are efficient reagents for SN2 dealkylation of esters and aryl ethers.
Purification Methods	Dissolve the salt (10g) in EtOH (10mL) and add Et2O (100mL). Cool and collect the precipitate, wash it with Et2O and dry it in a vacuum. It is a white powder which is very soluble in EtOH and H2O. [Billmann & Jensen Bull Soc Chim Fr 3 2318 1936, Beilstein 1 III 1212.]

Sodium thiomethoxide Preparation Products And Raw materials

Raw materials

Sodium hydroxide-->Methanol-->Carbon disulfide

Preparation Products

Dimethyl sulfide-->METHYL MERCAPTAN-->2-Aminoethylmethylsulfone hydrochloride-->5-(METHYLTHIO)THIOPHENE-2-CARBOXYLIC ACID-->Methylthio acetaldoxime-->ALDICARB-OXIME-->5-(METHYLSULFONYL)THIOPHENE-2-CARBOXYLIC ACID-->ETHYL METHANESULFONYLACETATE-->Prometryn-->Ametryn-->4,6-DICHLORO-2-(TRIFLUOROMETHYL)QUINOLINE-->2-(METHYLTHIO)ETHANOL-->2-(METHYLTHIO)THIOPHENE-->6-(METHYLTHIO)PYRIDINE-3-CARBOXYLIC ACID-->ALDICARB-->Simetryne-->Methylthioethane-->2-Methyl-3-(methylthio)pyrazine-->4-Methylthio-2-butanone-->2-(Methylthio)pyrazine

SODIUM TETRATHIONATE DIHYDRATE Sulfamic acid monosodium salt Sodium tungstate IFLAB-BB F1068-0041 SODIUM METHANETHIOLATE = 1-METHANETHIOL SODIUM SALT 1-THIO-BETA-D-GLUCOSE SODIUM SALT AURORA KA-6571 HEXA-SODIUM-BENZENE-HEXATHIOLATE AURORA KA-6592 1-CYANO-3-METHYLISOTHIOUREA SODIUM SALT AURORA KA-6591 SODIUM 4,5-DIPHENYL-4H-1,2,4-TRIAZOLE-3-THIOLATE SODIUM, PIPERIDINE-1-CARBODITHIOATE SODIUM, 4-METHYL-PIPERAZINE-1-CARBODITHIOATE SODIUM, 1,5-DIOXO-9-OXA-2,4-DIAZA-SPIRO[5.5]UNDEC-2-ENE-3-THIOLATE ETHYLDITHIOCARBAMIC ACID SODIUM SALT SODIUM QUINOLINE-8-THIOLATE 5-Mercapto-1,2,3-thiadiazole sodium salt Methyl Mercaptan Sodium Salt Sodium Methyl Mercaptide

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