49497
硫酸二甲酯
derivatization grade (GC derivatization), LiChropur™, ≥99.0% (GC)
别名:
二甲基硫酸酯
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线性分子式:
(CH3O)2SO2
化学文摘社编号:
分子量:
126.13
UNSPSC Code:
12352200
NACRES:
NA.22
PubChem Substance ID:
EC Number:
201-058-1
Beilstein/REAXYS Number:
635994
MDL number:
Assay:
≥99.0% (GC)
InChI key
VAYGXNSJCAHWJZ-UHFFFAOYSA-N
InChI
1S/C2H6O4S/c1-5-7(3,4)6-2/h1-2H3
SMILES string
COS(=O)(=O)OC
grade
derivatization grade (GC derivatization)
vapor density
4.3 (vs air)
vapor pressure
0.7 mmHg ( 25 °C)
assay
≥99.0% (GC)
autoignition temp.
923 °F
quality
LiChropur™
reaction suitability
reagent type: derivatization reagent
reaction type: Alkylations
technique(s)
gas chromatography (GC): suitable
refractive index
n20/D 1.386 (lit.), n20/D 1.387
bp
188 °C (lit.)
mp
−32 °C (lit.)
density
1.333 g/mL at 25 °C (lit.)
Quality Level
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Application
Dimethyl sulfate may be used as a derivatization reagent for the esterification reaction in the determination of pharmaceuticals by automated aqueous derivatization solid-phase microextraction (SPME) coupled with gas chromatography/mass spectrometry (GC/MS).
Legal Information
LiChropur is a trademark of Merck KGaA, Darmstadt, Germany
signalword
Danger
Hazard Classifications
Acute Tox. 2 Inhalation - Acute Tox. 3 Oral - Carc. 1B - Eye Dam. 1 - Muta. 2 - Skin Corr. 1B - Skin Sens. 1
存储类别
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk
WGK 3
flash_point_f
181.4 °F - closed cup
flash_point_c
83 °C - closed cup
法规信息
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M J Cardador et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 878(21), 1824-1830 (2010-06-15)
Haloacetic acids (HAAs) are water disinfection byproducts (DBPs) formed by the reaction of chlorine oxidizing compounds with natural organic matter in water containing bromine. HAAs are second to trihalomethanes as the most commonly detected DBPs in surface drinking water and
Siming Huang et al.
Talanta, 136, 198-203 (2015-02-24)
An automated aqueous derivatization solid-phase microextraction (SPME) coupled with a gas chromatography/mass spectrometry (GC/MS) method was developed for simultaneous determination of eight pharmaceuticals in water samples. Dimethyl sulfate and tetrabutylammonium hydrogen sulfate were selected as derivatization and activation reagents for
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