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安全信息

41610

Sigma-Aldrich

硫酸二甲酯

puriss. p.a., ≥99.0% (GC)

别名:

二甲基硫酸酯

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About This Item

线性分子式:
(CH3O)2SO2
CAS号:
77-78-1
分子量:
126.13
Beilstein:
635994
EC 号:
201-058-1
MDL编号:
MFCD00008416
UNSPSC代码:
12352100
PubChem化学物质编号:
57650074
NACRES:
NA.21

蒸汽密度

4.3 (vs air)

质量水平

200

蒸汽压

0.7 mmHg ( 25 °C)

等级

puriss. p.a.

方案

≥99.0% (GC)

表单

liquid

自燃温度

923 °F

杂质

≤0.4% free acid (as H2SO4)

灼烧残渣

≤0.02%

折射率

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

沸点

188 °C (lit.)

mp

−32 °C (lit.)

溶解性

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

密度

1.333 g/mL at 25 °C (lit.)

痕量阳离子

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字符串

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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相关类别

一般描述

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.

警示用语：

Danger

危险分类

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

储存分类代码

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

WGK

WGK 3

闪点(°F)

181.4 °F - closed cup

闪点(°C)

83 °C - closed cup

个人防护装备

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

法规信息

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分析证书(COA)

Lot/Batch Number
BCCL0259
BCCH2096
BCCH6719
BCCH7474
BCCH2924

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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
Cecilia E Ström et al.
Nucleic acids research, 39(8), 3166-3175 (2010-12-25)
Base excision repair (BER) represents the most important repair pathway of endogenous DNA lesions. Initially, a base damage is recognized, excised and a DNA single-strand break (SSB) intermediate forms. The SSB is then ligated, a process that employs proteins also
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.
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