二甲基亚砜(DMSO)是一种含硫有机化合物，分子式为(CH3)2SO，常温下为无色无臭的透明液体，是一种吸湿性的可燃液体。具有高极性、高沸点、热稳定性好、非质子、与水混溶的特性，能溶于乙醇、丙醇、苯和氯仿等大多数有机物，被誉为"万能溶剂"。

Dimethyl sulfoxide (DMSO) is a sulfur-containing organic compound, the molecular formulais (CH3)2SO, at room temperature is colorless odorless transparent liquid, is a hygroscopic flammable liquid. With high polarity, high boiling point, good thermal stability, aprotic, and water miscible characteristics, can dissolve in ethanol, propanol, benzene and chloroform and other most organic matter, known as "universal solvent".

中文名 Chinese name

二甲基亚砜

分子量Molecular weight

78.13

化学式Chemical formula

C2H6OS

沸    点 BP

189 °C

CAS

67-68-5

密    度Molecular weight

1.100 g/mL 

熔    点 MP

18.4 °C

英文名 English name

Dimethyl sulfoxide(DMSO)

外    观 appearance

无色液体 colorless liquid

EINECS

200-664-3

别    称 other name

二甲亚砜

水溶性Water solubility

可与水混溶Miscible with water