67-68-5 二甲基亚砜 Dimethyl sulfoxide

熔点 

18.4 °C

沸点 

189 °C(lit.)

密度 

1.100 g/mL at 20 °C

蒸气密度

2.7 (vs air)

蒸气压

0.42 mm Hg ( 20 °C)

FEMA 

3875 | METHYLSULFINYLMETHANE

折射率 

n

 1.479(lit.)

闪点 

192 °F

储存条件 

Store at RT.

溶解度 

H2O: miscible (completely)

形态

liquid (temperature dependent)

酸度系数(pKa)

35(at 25℃)

颜色

clear colorless

气味 (Odor)

Mild garlic odor

相对极性

0.444

爆炸极限值(explosive limit)

1.8-63.0%(V)

水溶解性 

Soluble in water, methanol, acetone, ether, benzene, chloroform.

凝固点 

18.4℃

敏感性 

Hygroscopic

最大波长(λmax)

λ: 285 nm Amax: ≤0.20
λ: 295 nm Amax: ≤0.20

JECFA Number

507

Merck 

14,3259

BRN 

506008

稳定性

Stable. Incompatible with a very wide range of materials, including acid chlorides, strong acids, strong oxidizing agents, strong reducing agents, phosphorus halides, moisture, copper wool + trichloroacetic acid. Reacts violently with a number of materials - consult a full data sheet before use. Hygroscopic.

InChIKey

IAZDPXIOMUYVGZ-UHFFFAOYSA-N