性能
|
DMC
|
丙酮
|
异丁醇
|
三氯乙烷
|
甲苯
|
分子量
|
90.08
|
58.08
|
60.09
|
133.41
|
92.1
|
熔点/℃
|
2-4
|
-94.2
|
-88.5
|
-32.6
|
-94.97
|
沸点/℃
|
90
|
56.1
|
82.3
|
74.1
|
110.6
|
闪点(闭口)/℃
|
18.3
|
-18
|
11.7
|
-
|
4.4
|
蒸汽压(20℃)/kPa
|
5.60
|
24.66
|
4.27
|
13.33
|
2.93
|
爆炸极限/%
|
3.8~21.3
|
2.15~13
|
2.7~13.0
|
-
|
1.27~7.0
|
粘度/×10-3 Pa·s
|
0.625
|
0.316
|
2.41
|
0.79
|
0.579
|
表面张力/×10-5 N·cm
|
-128.5
|
-
|
20.8
|
25.6
|
27.92
|
蒸汽热/J·g-1
|
-1369.06
|
523.0
|
676.58
|
249.82
|
363.69
|
介电常数
|
2.6
|
1.01
|
18.6
|
7.12
|
2.2
|
相对蒸发速度
|
4.6
|
7.2
|
0.83
|
-
|
2.4
|
SP值
|
10.4
|
10.0
|
10.9
|
8.6
|
8.4
|
LD50/mg·kg-1
|
112900
|
-
|
5800
|
-
|
7530
|
卫生容许浓度/mg·L-1
|
1
|
-
|
0.40
|
0.20
|
200×10-6
|