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    2. 發(fā)布信息當前位置: 首頁 » 產(chǎn)品 » 化工 » 中間體 »

      2-吡咯烷酮

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      品牌: 埃弗格瑞
      單價: 面議
      起訂: 1 kg
      供貨總量: 10000 kg
      發(fā)貨期限: 自買家付款之日起 7 天內(nèi)發(fā)貨
      所在地: 安徽 合肥市
      有效期至: 長期有效
      最后更新: 2017-08-16 09:08
      瀏覽次數(shù): 1032
      詢價
      公司基本資料信息
       
       
      產(chǎn)品詳細說明
       

      品名和結(jié)構(gòu):                                                                                                                 

      通用名稱:2-吡咯烷酮                                                                                                   

      化學名稱: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24.6,                                                                           

      沸點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)有機溶劑。難溶于石油醚。                                        

       

      項 目
      優(yōu)等品
      一等品
      含量%(m/m)
      ≥99.5
      ≥99.0
      水份含量%(m/m)
      ≤0.1
      ≤0.3
      折光率nD
      1.4830~1.4850
      1.4830~1.4850
      密度20C(g/ml)
      1.097~1.117
      1.097~1.117
      外 觀
      無色或淡黃透明液體
       
                                                                                                                                                 

       

      用 途                                                                                                         

      α-吡咯烷酮為無色的高沸點極性溶劑,是有機合成中間體。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和腦復康的原料。                                                                  

                                                                                                                            

      包裝和儲運:                                                                                                        

      200公斤塑料/鐵桶,避免吸入及與皮膚、眼睛的接觸,使用時需戴防護手套。隱涼、干燥、密封儲存
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