2-吡咯烷酮

通用名稱：2-吡咯烷酮                                                                                                   

化學(xué)名稱：α-吡咯烷酮                                                                                                  

分子式：C4H7NO                                                                                                  

CAS登記號：616-45-5                                                                                            

結(jié) 構(gòu) 式：                                                                                                           

物化性質(zhì)：                                                                                                         

無色到淡黃色液體或結(jié)晶。                                                                    

熔點(diǎn)24.6℃，                                                                           

沸點(diǎn)245℃，                                                                            

密度1.116（25/4℃）,                                                                    

折光率1.4870。                                                                         

粘度13.3。                                                                                     

飽和蒸氣壓1.33 kPa /122℃。                                                             

閃點(diǎn)129℃。                                                                           

引燃溫度145℃。                                                                      

燃燒熱2286.5 kJ/mol。                                                                      

能溶于水、醇、醚、氯仿、苯、乙酸乙酯和二硫化碳等多數(shù)有機(jī)溶劑。難溶于石油醚。                                        

用 途：                                                                                                         

α-吡咯烷酮為無色的高沸點(diǎn)極性溶劑，是有機(jī)合成中間體。主要用于合成樹脂、農(nóng)藥、多元醇、油墨和碘的溶劑。也是生產(chǎn)聚乙烯吡咯烷酮、錦綸-4和腦復(fù)康的原料。                                                                  

包裝和儲(chǔ)運(yùn):