269190
甲基磺酸酐
97%
别名:
甲基磺酰基甲磺酸酯, 甲基磺酸酐, 甲磺酰酐, 甲磺酸酐
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关于此项目
线性分子式:
(CH3SO2)2O
化学文摘社编号:
分子量:
174.20
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
230-442-1
Beilstein/REAXYS Number:
972316
MDL number:
产品名称
甲基磺酸酐, 97%
InChI key
IZDROVVXIHRYMH-UHFFFAOYSA-N
InChI
1S/C2H6O5S2/c1-8(3,4)7-9(2,5)6/h1-2H3
SMILES string
CS(=O)(=O)OS(C)(=O)=O
vapor density
3.3 (vs air)
assay
97%
form
solid
bp
125 °C/4 mmHg (lit.)
mp
64-67 °C (lit.)
functional group
sulfonic acid
Quality Level
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Application
甲磺酸酐可用于在温和条件下将游离的半缩醛原位合成相应的甲磺酸糖酯。
General description
甲磺酸酐是一种有机化合物，通常用作制备甲基磺酸盐（甲磺酸盐）的试剂。它还用于使用各种胺前体合成甲磺酰胺。此外，甲磺酸酐和二甲基亚砜的混合物可以用作将伯醇和仲醇氧化为醛和酮的氧化剂。
signalword
Danger
hcodes
Hazard Classifications
Skin Corr. 1A
supp_hazards
存储类别
8A - Combustible corrosive hazardous materials
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
Mark C Wilkinson
Organic letters, 13(9), 2232-2235 (2011-03-29)
The utility of methanesulfonic anhydride for promoting the Friedel-Crafts acylation reaction of aryl and alkyl carboxylic acids is disclosed. This reagent allows the preparation of aryl ketones in good yield with minimal waste containing no metallic or halogenated components, clearly
Keith Smith et al.
Organic & biomolecular chemistry, 2(21), 3150-3154 (2004-10-27)
Regioselective methanesulfonylation of simple aromatics using methanesulfonic anhydride can be achieved over zeolite catalysts. For example, methanesulfonylation of toluene over various cation-exchanged zeolite beta catalysts affords higher para-selectivity in the synthesis of methyl tolyl sulfone than standard Friedel-Crafts methanesulfonylation utilising
Mohammad Hasani et al.
The journal of physical chemistry. B, 123(8), 1815-1821 (2019-02-20)
Protic ionic liquids (PILs) are made by proton transfer from a Brønsted acid to a base and are of interest for their solvent and electrolyte properties such as high ionic conductivity. Unfortunately, many PILs have been misnamed, because their ionic
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