274380
Sulfure de diméthyle
anhydrous, ≥99.0%
Synonyme(s) :
DMS, Sulfure de méthyle
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A propos de cet article
Formule linéaire :
(CH3)2S
Numéro CAS:
Poids moléculaire :
62.13
UNSPSC Code:
12352112
NACRES:
NA.21
PubChem Substance ID:
EC Number:
200-846-2
Beilstein/REAXYS Number:
1696847
MDL number:
Assay:
≥99.0%
Grade:
anhydrous
Bp:
38 °C (lit.)
Vapor pressure:
26.24 psi ( 55 °C), 7.79 psi ( 20 °C)
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anhydrous
Quality Level
vapor density
2.1 (vs air)
vapor pressure
26.24 psi ( 55 °C), 7.79 psi ( 20 °C)
assay
≥99.0%
form
liquid
autoignition temp.
402 °F
expl. lim.
19.7 %
impurities
<0.003% water, <0.005% water (100 mL pkg)
evapn. residue
<0.0005%
refractive index
n20/D 1.435 (lit.)
bp
38 °C (lit.)
mp
−98 °C (lit.)
solubility
H2O: soluble 7.28 g/L at 20 °C
density
0.846 g/mL at 25 °C (lit.)
SMILES string
CSC
InChI
1S/C2H6S/c1-3-2/h1-2H3
InChI key
QMMFVYPAHWMCMS-UHFFFAOYSA-N
Gene Information
rat ... Maoa(29253), Maob(25750)
General description
Dimethyl sulfide is the major biogenic, volatile sulfur compound that is released from the ocean to the atmosphere. It plays a main role in the global sulfur cycle.
Application
Dimethyl sulfide undergoes thiolation reaction with hydrogen sulfide (H2S) in the presence of tungsten-zirconia (WO3/ZrO2) catalyst to form methanethiol.
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signalword
Danger
hcodes
Hazard Classifications
Flam. Liq. 2
Classe de stockage
3 - Flammable liquids
wgk
WGK 1
flash_point_f
-32.8 °F - closed cup
flash_point_c
-36 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves
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Dimethyl sulfide production during natural phytoplanktonic blooms
Nguyen BC, et al.
Marine Chemistry, 24(2), 133-141 (1988)
Thiolation of dimethyl sulfide to methanethiol over WO3/ZrO2 catalysts
Chen S, et al
J. Mol. Catal. A: Chem., 365, 60-65 (2012)
Ingrid Elisia et al.
PloS one, 11(3), e0152538-e0152538 (2016-04-01)
Dimethyl sulfoxide (DMSO) is currently used as an alternative treatment for various inflammatory conditions as well as for cancer. Despite its widespread use, there is a paucity of data regarding its safety and efficacy as well as its mechanism of