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41610

Sigma-Aldrich

Dimethyl sulfate

puriss. p.a., ≥99.0% (GC)

Sinónimos:

Sulfuric acid dimethyl ester

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About This Item

Fórmula lineal:
(CH3O)2SO2
Número de CAS:
77-78-1
Peso molecular:
126.13
Beilstein/REAXYS Number:
635994
EC Number:
201-058-1
MDL number:
MFCD00008416
UNSPSC Code:
12352100
PubChem Substance ID:
57650074
NACRES:
NA.21

vapor density

4.3 (vs air)

Quality Level

200

vapor pressure

0.7 mmHg ( 25 °C)

grade

puriss. p.a.

assay

≥99.0% (GC)

form

liquid

autoignition temp.

923 °F

impurities

≤0.4% free acid (as H2SO4)

ign. residue

≤0.02%

refractive index

n20/D 1.386 (lit.)
n20/D 1.387

bp

188 °C (lit.)

mp

−32 °C (lit.)

solubility

ethanol: 0.26 g/mL, clear, colorless
diethyl ether: 1.3 g/5mL, clear, colorless

density

1.333 g/mL at 25 °C (lit.)

cation traces

Ca: ≤5 mg/kg
Cd: ≤1 mg/kg
Co: ≤1 mg/kg
Cr: ≤1 mg/kg
Cu: ≤1 mg/kg
Fe: ≤1 mg/kg
K: ≤20 mg/kg
Mg: ≤1 mg/kg
Mn: ≤1 mg/kg
Na: ≤20 mg/kg
Ni: ≤1 mg/kg
Pb: ≤1 mg/kg
Zn: ≤1 mg/kg

SMILES string

COS(=O)(=O)OC

InChI

1S/C2H6O4S/c1-5-7(3,4)6-2/h1-2H3

InChI key

VAYGXNSJCAHWJZ-UHFFFAOYSA-N

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Categorías relacionadas

General description

Dimethyl sulfate is the dimethyl ester of sulfuric acid. It undergoes hydrolysis to afford monomethyl sulfate. It is found as contaminant in fly ash and in airborne particulate matter generated during the coal combustion processes.

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

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk_germany

WGK 3

flash_point_f

181.4 °F - closed cup

flash_point_c

83 °C - closed cup

ppe

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

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Certificados de análisis (COA)

Lot/Batch Number
BCCH2096
BCCH0646
BCCG8174
BCCF1940
BCCD1237

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J D McGhee et al.
Proceedings of the National Academy of Sciences of the United States of America, 76(5), 2133-2137 (1979-05-01)
We have measured the effect of the histones in the nucleosome core particle on methylation of purines in nucleosome DNA by dimethyl sulfate. By using 32P terminally labeled nucleosome cores, we have examined the pattern of strand cleavage at methylated
M L Lee et al.
Science (New York, N.Y.), 207(4427), 186-188 (1980-01-11)
Dimethyl sulfate and its hydrolysis product monomethyl sulfate have been found at concentrations as high as 830 parts per million in fly ash and in airborne particulate matter from coal combustion processes. This discovery poses a new environmental problem because
Kwang Sun Ryu et al.
The journal of physical chemistry. B, 111(4), 731-739 (2007-01-26)
The physical properties of polyaniline (PAn) powder, doped by nucleophilic doping of dimethyl sulfate (DMS), were characterized, as well as its electrochemical behaviors, to investigate the possibility of a power source device adopting the PAn-DMS electrodes. It is shown that
Yogo Sakakibara et al.
Journal of the American Chemical Society, 133(22), 8396-8399 (2011-05-12)
The movement of the small ribosomal subunit (30S) relative to the large ribosomal subunit (50S) during translation is widely known, but many molecular details and roles of rRNA and proteins in this process are still undefined, especially in solution models.
Li Z Luo et al.
PloS one, 7(3), e30541-e30541 (2012-03-14)
The potential for human disease treatment using human pluripotent stem cells, including embryonic stem cells and induced pluripotent stem cells (iPSCs), also carries the risk of added genomic instability. Genomic instability is most often linked to DNA repair deficiencies, which
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