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108618

Sigma-Aldrich

Dimethylsulfit

99%

Synonym(e):

Schwefligsäure-dimethylester

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About This Item

Lineare Formel:
(CH3O)2SO
CAS-Nummer:
616-42-2
Molekulargewicht:
110.13
Beilstein:
1700256
EG-Nummer:
210-481-0
MDL-Nummer:
MFCD00008415
UNSPSC-Code:
12352100
PubChem Substanz-ID:
24846815
NACRES:
NA.22

Assay

99%

Brechungsindex

n20/D 1.410 (lit.)

bp

126-127 °C (lit.)

Dichte

1.294 g/mL at 25 °C (lit.)

SMILES String

COS(=O)OC

InChI

1S/C2H6O3S/c1-4-6(3)5-2/h1-2H3

InChIKey

BDUPRNVPXOHWIL-UHFFFAOYSA-N

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Allgemeine Beschreibung

Dimethyl sulfite is an insect repellent and also experimentally identified as a mutagenic agent.

Anwendung

The conformations and vibrational spectra of dimethyl sulfite was studied by matrix-isolation fourier transform infrared spectroscopy and to study its conformational selective aggregation. It may be used in organic synthesis.

Piktogramme

FlameExclamation mark
GHS02,GHS07

Signalwort

Warning

Gefahreneinstufungen

Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

Zielorgane

Respiratory system

Lagerklassenschlüssel

3 - Flammable liquids

WGK

WGK 3

Flammpunkt (°F)

100.4 °F - closed cup

Flammpunkt (°C)

38 °C - closed cup

Persönliche Schutzausrüstung

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Analysenzertifikate (COA)

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Dimethyl-sulfat puriss. p.a., ≥99.0% (GC)

Sigma-Aldrich

41610

Dimethyl-sulfat

Dimethyl-sulfat ≥99%

Sigma-Aldrich

320293

Dimethyl-sulfat

Dimethylsulfid for synthesis

Sigma-Aldrich

8.20833

Dimethylsulfid

Dimethylsulfid ≥99%

Sigma-Aldrich

471577

Dimethylsulfid

Ethylensulfid 98%

Sigma-Aldrich

128252

Ethylensulfid

Lin Feng et al.
Huan jing ke xue= Huanjing kexue, 31(2), 345-351 (2010-04-16)
A pilot-scale subsurface constructed wetland wastewater treatment system was sampled for one year to study the effects of bed aspect ratio, substrate medium size, water depth, HLR (hydraulic loading rate) and temperature (season) on removal of volatile alkylsulfides such as
Ana Borba et al.
The journal of physical chemistry. A, 109(16), 3578-3586 (2006-07-15)
The preferred conformations of dimethyl sulfite and their vibrational spectra were studied by matrix-isolation Fourier transform infrared spectroscopy and theoretical methods (density functional theory (DFT) and Moller-Plesset (MP2), with basis sets of different sizes, including the quadruple-zeta, aug-cc-pVQZ basis). Five
K Nagarajan et al.
Chemical communications (Cambridge, England), (18)(18), 1786-1787 (2002-09-25)
pH dependent reactivity differences of dimethylsulfite towards the title complex 1 demonstrate the crucial need of oxo-anionic coordination of sulfite to the molybdenum centre of 1 in the model reductive half reaction of sulfite oxidase.
Conformational cooling and conformation selective aggregation in dimethyl sulfite isolated in solid rare gases.
Borba A, et al.
Journal of Molecular Structure, 794(1), 196-203 (2006)
M S Brody et al.
Biochimica et biophysica acta, 1253(2), 133-135 (1995-12-06)
We have undertaken a steady-state and rapid kinetic study of the reaction of enzyme with sulfite and dimethylsulfite. Methylation of sulfite results in a significant increase in Km and Kd for the substrate in the course of steady-state and rapid

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