

Available forms:Clear colourless to pale yellow liquid
pd_proNo:399794-cb34cd14-7023-44ca-99fc-38ca3af5b803
pd_productuse:
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Flammability and Explosibility |
Notclassified |
|
Purification Methods |
Work in an efficient fume cupboard as the substance may contain traces (or more) of methylmercaptan which has a very bad odour. Dissolve the mercaptal in Et2O, shake it with aqueous alkalis then dry it over anhydrous K2CO3, filter and distil it over K2CO3 under a stream of N2. If the odour is very strong, then allow all gas efluents to bubble through 5% aqueous NaOH solution which is then treated with dilute KMnO4 in order to oxidise MeSH to odourless products. UV: max 238 nm (log 2.73) [Fehnel & Carmack J Am Chem Soc 71 90 1949, Fehér & Vogelbruch Chem Ber 91 996 1958, B.hme & Marz Chem Ber 74 1672 1941]. Oxidation with aqueous KMnO4 yields bis-(methylsulfonyl)methane which has m 142-143o [Fiecchi et al. Tetrahedron Lett 1681 1967]. [Beilstein 1 IV 3088.] |
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General Description |
The liquid structure of bis(methylthio)methane at room temperature was studied by the bonding and non-bonding interatomic potential functions (FMP-RMC) simulation. |
InChI:InChI=1/C3H8S2/c1-4-3-5-2/h3H2,1-2H3
Reactions of gaseous anions (methoxide, ...
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Sulfoxides carrying α-hydrogens were all...
The complexes (M=Cr, R=Et, iPr, t-Bu; M...
Dimethyl sulfoxide (DMSO) is widely used...
The photocatalytic deoxygenation of sulf...
Exploring novel catalysis by less common...
Process concepts have been conceived and...
ethylmagnesium bromide
dimethyl sulfoxide
dimethylsulfide
Ethyl methyl sulfide
1-(methylthio)-propane
ethyl propyl sulfide
2,4-dithiapentane
| Conditions | Yield |
|---|---|
|
With
magnesium bromide;
In
diethyl ether;
at 36 ℃;
for 5h;
Product distribution;
other reagent, reagents ratios;
|
13 % Chromat. 4 % Chromat. 8 % Chromat. 1 % Chromat. 11 % Chromat. |
Dimethyldisulphide
methanethiosulfonic acid S-methyl ester
dimethyl tetrasulfide
2,4-dithiapentane
dimethyltrisulfane
2,3,5-trithiahexane
2,3,5,6-tetrathiaheptane
| Conditions | Yield |
|---|---|
|
With
oxygen;
In
cyclohexane;
at 30 - 40 ℃;
for 11.5h;
Product distribution;
Mechanism;
Irradiation;
var. solvent, time;
|
1.2% |
formaldehyd
methylthiol
2-(Methylthiomethyl)-1H-isoindole-1,3(2H)-dione
dichloromethane
trimethylsulphonium bromide
chloro-methylsulfanyl-methane
bis(methylsulfinyl)methane
3,3-bis-methylsulfanyl-propan-1-ol
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