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41610

Sigma-Aldrich

Dimethyl sulfate

puriss. p.a., ≥99.0% (GC)

Sinônimo(s):

Sulfuric acid dimethyl ester

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About This Item

Fórmula linear:
(CH3O)2SO2
Número CAS:
77-78-1
Peso molecular:
126.13
Beilstein:
635994
Número CE:
201-058-1
Número MDL:
MFCD00008416
Código UNSPSC:
12352100
ID de substância PubChem:
57650074
NACRES:
NA.21

densidade de vapor

4.3 (vs air)

Nível de qualidade

200

pressão de vapor

0.7 mmHg ( 25 °C)

grau

puriss. p.a.

Ensaio

≥99.0% (GC)

forma

liquid

temperatura de autoignição

923 °F

Impurezas

≤0.4% free acid (as H2SO4)

resíduo de ignição

≤0.02%

índice de refração

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

pb

188 °C (lit.)

pf

−32 °C (lit.)

solubilidade

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

densidade

1.333 g/mL at 25 °C (lit.)

traços de cátion

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

cadeia de caracteres SMILES

COS(=O)(=O)OC

InChI

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

chave InChI

VAYGXNSJCAHWJZ-UHFFFAOYSA-N

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Descrição geral

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.

Palavra indicadora

Danger

Classificações de perigo

Acute Tox. 2 Inhalation - Acute Tox. 3 Oral - Carc. 1B - Eye Dam. 1 - Muta. 2 - Skin Corr. 1B - Skin Sens. 1

Código de classe de armazenamento

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

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

181.4 °F - closed cup

Ponto de fulgor (°C)

83 °C - closed cup

Equipamento de proteção individual

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

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Certificados de análise (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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