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线性分子式:
(CH3O)2SO2
化学文摘社编号:
分子量:
126.13
UNSPSC Code:
12352108
NACRES:
NA.22
PubChem Substance ID:
EC Number:
201-058-1
Beilstein/REAXYS Number:
635994
MDL number:
Assay:
≥99%
Bp:
188 °C (lit.)
Vapor pressure:
0.7 mmHg ( 25 °C)
InChI key
VAYGXNSJCAHWJZ-UHFFFAOYSA-N
InChI
1S/C2H6O4S/c1-5-7(3,4)6-2/h1-2H3
SMILES string
COS(=O)(=O)OC
vapor density
4.3 (vs air)
vapor pressure
0.7 mmHg ( 25 °C)
assay
≥99%
form
liquid
autoignition temp.
923 °F
refractive index
n20/D 1.386 (lit.)
bp
188 °C (lit.)
mp
−32 °C (lit.)
density
1.333 g/mL at 25 °C (lit.)
Quality Level
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Application
硫酸二甲酯是强甲基化试剂,可用于羧酸、醇、酚、内酰胺、肟、羟胺和氢过氧化物的甲基化。可作为试剂,制备 N-甲基烷基胺、芳基取代胺、酰胺和季铵盐。硫酸二甲酯也用于含硫化合物的甲基化反应,合成硫化物和硫鎓离子。
还能作为试剂,用于:
还能作为试剂,用于:
- 由甲基丙烯酸-2-二甲氨基乙酯季铵化制备丙烯酸季铵盐单体,该单体可作为强效的抗菌剂
- 与二甲基亚砜一起,通过形成三甲基硫鎓阳离子,从醛和酮合成环氧化物。
- 通过甘油甲基化制备柴油的含氧添加剂
signalword
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
法规信息
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