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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號碼:
201-058-1
MDL號碼:
MFCD00008416
分類程式碼代碼:
12352100
PubChem物質ID:
57650074
NACRES:
NA.21

蒸汽密度

4.3 (vs air)

品質等級

200

蒸汽壓力

0.7 mmHg ( 25 °C)

等級

puriss. p.a.

化驗

≥99.0% (GC)

形狀

liquid

自燃溫度

923 °F

雜質

≤0.4% free acid (as H2SO4)

燃燒殘留物

≤0.02%

折射率

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

bp

188 °C (lit.)

mp

−32 °C (lit.)

溶解度

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.)

正離子痕跡

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 字串

COS(=O)(=O)OC

InChI

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

InChI 密鑰

VAYGXNSJCAHWJZ-UHFFFAOYSA-N

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相关类别

一般說明

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.

訊號詞

Danger

危險分類

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

儲存類別代碼

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

水污染物質分類（WGK）

WGK 3

閃點（°F）

181.4 °F - closed cup

閃點（°C）

83 °C - closed cup

個人防護裝備

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

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分析证书(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.
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