产品名称: 吡啶
吡啶,有机化合物,化学式C5H5N,是含有一个氮杂原子的六元杂环化合物。可以看做苯分子中的一个(CH)被N取代的化合物,故又称氮苯,无色或微黄色液体,有恶臭。吡啶及其同系物存在于骨焦油、煤焦油、煤气、页岩油、石油中。吡啶在工业上可用作变性剂、助染剂,以及合成一系列产品(包括药品、消毒剂、染料等)的原料。
外观:无色或微黄色液体,有恶臭。
熔点(℃): -41.6
沸点(℃): 115.2
相对密度(水=1): 0.9827
折射率:1.5067(25℃)
相对蒸气密度(空气=1): 2.73
饱和蒸气压(kPa): 1.33/13.2℃
闪点(℃):20
引燃温度(℃): 482
爆炸上限%(V/V): 12.4
爆炸下限%(V/V): 1.7
燃烧热(定压)(kJ/mol):2826.51
(定容)(kJ/mol):2782.97
比热容(21℃,定压)(kJ/kg·K):1.64
临界温度(℃):346.85
临界压力(MPa):6.18
电导率(25℃)(μS/cm):4
热导率(20℃)(W/(m·K)):0.182
黏度(15℃)(mPa·S):1.038
(20℃)(mPa·S):0.952
(30℃)(mPa·S):0.829
蒸发热(25℃)(kJ/mol):40.4277
熔化热(kJ/mol):7.4133
生成热(液体)(kJ/mol):99.9808
偶极距:2.22D
![](https://img79.gc1288.com/5eceadd4559dcfd2d483e4bf68124facfee47ac0127df4ca9a77b7e31e088e574df42b44d056e1ed.jpg)
![](https://img76.gc1288.com/5eceadd4559dcfd2d483e4bf68124facfee47ac0127df4ca40b600d385fa3916476850a80066fd5b.jpg)
![](https://img76.gc1288.com/5eceadd4559dcfd2d483e4bf68124facfee47ac0127df4ca312158b62c044985460e672c1e720445.jpg)
![](https://img76.gc1288.com/5eceadd4559dcfd2d483e4bf68124facfee47ac0127df4ca35db375c7eee859a01e1a83ea766ad59.jpg)
![](https://img79.gc1288.com/5eceadd4559dcfd2d483e4bf68124facfee47ac0127df4ca0f99599efe96e4ce15c3de6b9c10055b.jpg)
![](https://img80.gc1288.com/5eceadd4559dcfd2d483e4bf68124facfee47ac0127df4ca19017108cae573191a8552929e3541f5.jpg)
![](https://img79.gc1288.com/5eceadd4559dcfd2d483e4bf68124facfee47ac0127df4ca3a7e9ae7d133fb24b0f721b2e3ec709f.jpg)
![](https://img79.gc1288.com/5eceadd4559dcfd2d483e4bf68124facfee47ac0127df4cadbd5d4864afe4da2385c3f5a4a06d339.jpg)
![](https://img80.gc1288.com/5eceadd4559dcfd2d483e4bf68124facfee47ac0127df4cac57395a982095b9e2166ed2cce66c4be.jpg)
![](https://img80.gc1288.com/5eceadd4559dcfd2d483e4bf68124facfee47ac0127df4ca015a97dc6dff6d41bb6dbacfe8f63230.jpg)
![](https://img80.gc1288.com/5eceadd4559dcfd2d483e4bf68124facfee47ac0127df4caaf6efcc7824e4ba0a37118ea727afbb9.jpg)
![](https://img79.gc1288.com/5eceadd4559dcfd2d483e4bf68124facfee47ac0127df4ca246908ac3685e62e8be2a316dfe67163.jpg)
所有评论仅代表网友意见,与本站立场无关。