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Merck

276855

Sigma-Aldrich

二甲基亚砜

anhydrous, ≥99.9%

别名:

DMSO, 甲基亚砜

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About This Item

线性分子式:
(CH3)2SO
CAS号:
分子量:
78.13
Beilstein:
506008
EC號碼:
MDL號碼:
分類程式碼代碼:
12191502
PubChem物質ID:

等級

anhydrous

品質等級

蒸汽密度

2.7 (vs air)

蒸汽壓力

0.42 mmHg ( 20 °C)

化驗

≥99.9%

形狀

liquid

自燃溫度

573 °F

expl. lim.

42 %, 63 °F

雜質

<0.005% water

蒸發殘留物

<0.0005%

顏色

colorless

折射率

n20/D 1.479 (lit.)

bp

189 °C (lit.)

mp

16-19 °C (lit.)

溶解度

H2O: miscible (completely)

密度

1.10 g/mL (lit.)

SMILES 字串

CS(C)=O

InChI

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

InChI 密鑰

IAZDPXIOMUYVGZ-UHFFFAOYSA-N

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一般說明

二甲基亚砜是一种非极性质子溶剂,通常用作有机反应中的反应介质和试剂。

應用

二甲基亚砜可用作将异腈转化为异氰酸酯的一种氧化剂。由草酰氯活化的DMSO可用于将长链醇氧化成羰基化合物。

包裝

18L、200L采用Pure-Pac®不锈钢容器封装;100 mL, 250ml、1 L、2 L、6×1 L采用Sure/Seal®瓶封装

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。

其他說明

Pure-Pac® II容器需要Micromatic MacroValve耦合器用于分配溶剂,Z560723。
如需关于二甲基亚砜混溶性的相关信息,请访问以下链接:
二甲基亚砜混溶性/不混溶性表
货号276855-4X2L的产品即将停产。请订购276855-2L单瓶装,因为其物理参数与上述产品本质相同。

法律資訊

Pure-Pac is a registered trademark of Merck KGaA, Darmstadt, Germany

儲存類別代碼

10 - Combustible liquids

水污染物質分類(WGK)

WGK 1

閃點(°F)

188.6 °F - closed cup

閃點(°C)

87 °C - closed cup

個人防護裝備

Eyeshields, Gloves, type ABEK (EN14387) respirator filter


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分析证书(COA)

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A Practical Synthesis of Isocyanates from Isonitriles: Ethyl 2-Isocyanatoacetate
Hoang VLe and Ganem B
Organic Syntheses, 89, 404-404 (2012)
Dimethyl sulfoxide oxidations.
Epstein WW & Sweat FW.
Organic Syntheses, 67(3), 247-260 (1967)
The Merck Index: An Encyclopedia of Chemicals, Drugs, and Biologicals
Royal Society of Chemistry null
Oxidation of long-chain and related alcohols to carbonyls by dimethyl sulfoxide" activated" by oxalyl chloride.
Mancuso AJ, et al.
The Journal of Organic Chemistry, 43(12), 2480-2482 (1978)
Young-Keun Yang et al.
Nature protocols, 2(7), 1740-1745 (2007-07-21)
This protocol describes detailed procedures for the preparation of a rhodamine-based mercury probe and for its applications to the detection of mercury in cells and vertebrate organisms. The mercury probe 1, which is prepared in two steps from rhodamine 6G

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