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Merck
CN

41610

硫酸二甲酯

≥99.0% (GC), liquid, puriss. p.a.

别名:

二甲基硫酸酯

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关于此项目

线性分子式:
(CH3O)2SO2
化学文摘社编号:
分子量:
126.13
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
201-058-1
MDL number:
Beilstein/REAXYS Number:
635994
Assay:
≥99.0% (GC)
Form:
liquid
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产品名称

硫酸二甲酯, puriss. p.a., ≥99.0% (GC)

vapor density

4.3 (vs air)

Quality Segment

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

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.


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Danger

Hazard Classifications

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

存储类别

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

wgk

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



历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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