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Merck
CN

M81802

二甲基亚砜

≥99%

别名:

DMSO, 甲基亚砜

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线性分子式:
(CH3)2SO
化学文摘社编号:
分子量:
78.13
EC Number:
200-664-3
MDL number:
Beilstein/REAXYS Number:
506008
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vapor density

2.7 (vs air)

vapor pressure

0.42 mmHg ( 20 °C)

assay

≥99%

autoignition temp.

573 °F

expl. lim.

42 %, 63 °F

availability

available only in EU

refractive index

n20/D 1.479 (lit.)

bp

189 °C (lit.)

mp

16-19 °C (lit.)

density

1.10 g/mL (lit.)

SMILES string

CS(C)=O

InChI

1S/C2H6OS/c1-4(2)3/h1-2H3

InChI key

IAZDPXIOMUYVGZ-UHFFFAOYSA-N

General description

Dimethyl Sulfoxide (DMSO) is a polar aprotic solvent that is generally used as a reaction medium and reagent in organic reactions.

Application

Dimethyl Sulfoxide can be used as:      
  • An oxidant for the conversion of isonitriles into isocyanates.
  •  A solvent in polymerase chain reaction.       
  • A cryoprotectant for the preservation of cells, tissues and organs.        
  • An oxidant in Swern oxidation, that can be activated by oxalyl chloride and used in the oxidation of long-chain alcohols to carbonyls.        
  • Solvent/oxidant in the α-hydroxylation of ketones in the presence of NBS/I2 catalyst.

Disclaimer

在室温下容易过冷并缓慢重融。 固化产品可以通过加热至室温来重新液化,而不会损害产品。


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存储类别

10 - Combustible liquids

wgk

WGK 1

flash_point_f

188.6 °F - closed cup

flash_point_c

87 °C - closed cup

ppe

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)

法规信息

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历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Yu-Feng Liang et al.
Organic letters, 17(4), 876-879 (2015-02-05)
An efficient method for the direct preparation of high synthetic valuable α-hydroxycarbonyls is described. The simple and readily available I2 or NBS was used as catalyst. DMSO acts as the oxidant, oxygen source, and solvent. A diverse range of tertiary
Pre-PCR processing
Raadstrom P, et al.
Molecular Biotechnology, 26(2), 133-146 (2004)
L E McGann et al.
Cryobiology, 24(1), 11-16 (1987-02-01)
Preservation of cells and tissues at low temperatures requires the presence of effective cryoprotectants with low toxicity to which cells are relatively permeable. Two similar compounds, dimethyl sulfoxide (DMSO) and dimethyl sulfone (DMSO2), exhibit both features for cryoprotectants, yet DMSO