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41610

Sigma-Aldrich

Dimethyl sulfate

puriss. p.a., ≥99.0% (GC)

Sinonimo/i:

Sulfuric acid dimethyl ester

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About This Item

Formula condensata:
(CH3O)2SO2
Numero CAS:
77-78-1
Peso molecolare:
126.13
Beilstein:
635994
Numero CE:
201-058-1
Numero MDL:
MFCD00008416
Codice UNSPSC:
12352100
ID PubChem:
57650074
NACRES:
NA.21

Densità del vapore

4.3 (vs air)

Livello qualitativo

200

Tensione di vapore

0.7 mmHg ( 25 °C)

Grado

puriss. p.a.

Saggio

≥99.0% (GC)

Forma fisica

liquid

Temp. autoaccensione

923 °F

Impurezze

≤0.4% free acid (as H2SO4)

Residuo alla calcinazione

≤0.02%

Indice di rifrazione

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

P. eboll.

188 °C (lit.)

Punto di fusione

−32 °C (lit.)

Solubilità

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

Densità

1.333 g/mL at 25 °C (lit.)

Cationi in tracce

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

Stringa SMILE

COS(=O)(=O)OC

InChI

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

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Categorie correlate

Descrizione generale

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.

Avvertenze

Danger

Indicazioni di pericolo

H301,H314,H317,H330,H341,H350

Classi di pericolo

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

Codice della classe di stoccaggio

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

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

181.4 °F - closed cup

Punto d’infiammabilità (°C)

83 °C - closed cup

Dispositivi di protezione individuale

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

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Certificati d'analisi (COA)

Lot/Batch Number
BCCL0259
BCCH2096
BCCH6719
BCCH7474
BCCH2924

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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
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
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
Pasquale Moio et al.
Proteomics, 11(2), 249-260 (2011-01-05)
Protein footprinting is a new methodology that is based on probing, typically with the use of MS, of reactivity of different amino acid residues to a modifying reagent. Data thus obtained allow one to make inferences about protein conformations and
Ke-wei Zheng et al.
Nucleic acids research, 38(1), 327-338 (2009-10-28)
Large numbers of guanine-rich sequences with potential to form G-quadruplexes have been identified in genomes of various organisms. Such sequences are constrained at both ends by long DNA duplex with a complementary strand in close proximity to compete for duplex
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