Merck

34869

Sigma-Aldrich

二甲基亚砜

suitable for HPLC, ≥99.7%

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别名:
DMSO, 甲基亚砜
线性分子式:
(CH3)2SO
CAS号:
分子量:
78.13
Beilstein:
506008
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.21

蒸汽密度

2.7 (vs air)

质量水平

蒸汽压

0.42 mmHg ( 20 °C)

检测方案

≥99.7%

形式

liquid

自燃温度

573 °F

expl. lim.

42 %, 63 °F

technique(s)

HPLC: suitable

杂质

≤0.002% non-volatile matter
≤0.2% water (Karl Fischer)

透射比

270 nm, ≥20%
280 nm, ≥50%
300 nm, ≥80%
350 nm, ≥98%

折射率

n20/D 1.479 (lit.)

bp

189 °C (lit.)

mp

16-19 °C (lit.)

密度

1.10 g/mL (lit.)

application(s)

food and beverages

SMILES string

CS(C)=O

InChI

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

InChI key

IAZDPXIOMUYVGZ-UHFFFAOYSA-N

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416403494341639
Dimethyl sulfoxide suitable for HPLC, ≥99.7%

Sigma-Aldrich

34869

二甲基亚砜

-
Dimethyl sulfoxide puriss. p.a., ACS reagent, ≥99.9% (GC)

Sigma-Aldrich

41640

二甲基亚砜

Essential Grade
Dimethyl sulfoxide puriss. p.a., dried, ≤0.02% water

Sigma-Aldrich

34943

二甲基亚砜

-
Dimethyl sulfoxide BioUltra, for molecular biology, ≥99.5% (GC)

Sigma-Aldrich

41639

二甲基亚砜

Premium Grade
vapor pressure

0.42 mmHg ( 20 °C)

vapor pressure

0.42 mmHg ( 20 °C)

vapor pressure

0.42 mmHg ( 20 °C)

vapor pressure

0.42 mmHg ( 20 °C)

assay

≥99.7%

assay

≥99.9% (GC)

assay

≥99.9% (GC)

assay

≥99.5% (GC)

form

liquid

form

liquid

form

liquid

form

liquid

autoignition temp.

573 °F

autoignition temp.

573 °F

autoignition temp.

573 °F

autoignition temp.

573 °F

expl. lim.

42 %, 63 °F

expl. lim.

42 %, 63 °F

expl. lim.

42 %, 63 °F

expl. lim.

42 %, 63 °F

一般描述

二甲基亚砜(DMSO)是一种极性有机溶剂。各种亲电试剂(草酸氯)活化的DMSO被用于氧化各种醇类(初级醇类、次级醇类、烯丙基醇类、苄基醇类、受阻醇类和双环醇类)。产生作为反应产物的羧基化合物。由于其较高的稳定性,已被提出作为甲基纤维素溶液的替代溶剂用于茚三酮的反应。

应用

适用于HPLC,分光光度法,环境检测

注意

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。

其他说明

欲了解二甲基亚砜混溶性的更多资料,请浏览以下链接:
二甲基亚砜混溶性/不混溶性表
重要通知
  • 货号 34869-4X2.5L的产品即将停产。请订购34869-2.5L单瓶装,因为其具体参数与上述产品本质相同。
  • 货号34869-6X1L的产品即将停产。请订购34869-1L单瓶装,因为其物理参数与上述产品本质相同。

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储存分类代码

10 - Combustible liquids

WGK

WGK 1

闪点(F)

188.6 °F - closed cup

闪点(C)

87 °C - closed cup


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Dimethyl sulfoxide for headspace gas chromatography SupraSolv®

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二甲基亚砜

Dimethyl sulfoxide ReagentPlus®, ≥99.5%

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二甲基亚砜

Dimethyl sulfoxide for inorganic trace analysis, ≥99.99995% (metals basis)

Supelco

01934

二甲基亚砜

A RAPID PERMETHYLATION OF GLYCOLIPID, AND POLYSACCHARIDE CATALYZED BY METHYLSULFINYL CARBANION IN DIMETHYL SULFOXIDE.
S HAKOMORI
Journal of biochemistry, 55, 205-208 (1964-02-01)
Amino acid analysis: aqueous dimethyl sulfoxide as solvent for the ninhydrin reaction.
S Moore
The Journal of biological chemistry, 243(23), 6281-6283 (1968-12-10)
Oxidation of alcohols by ?activated? dimethyl sulfoxide. A preparative, steric and mechanistic study.
Omura K and Swern D.
Tetrahedron, 34(11), 1651-1660 (1978)
C F Brayton
The Cornell veterinarian, 76(1), 61-90 (1986-01-01)
Dimethyl sulfoxide (DMSO) is a very simple compound that has stimulated much controversy in the scientific and popular literature. Fig. 1 It is an aprotic solvent. Therapeutic and toxic agents that are not soluble in water are often soluble in
Mike Clements et al.
Toxicological sciences : an official journal of the Society of Toxicology, 140(2), 445-461 (2014-05-09)
Human stem cell derived cardiomyocytes (hESC-CM) provide a potential model for development of improved assays for pre-clinical predictive drug safety screening. We have used multi-electrode array (MEA) analysis of hESC-CM to generate multi-parameter data to profile drug impact on cardiomyocyte

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