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

        2-吡咯烷酮

        點擊圖片查看原圖
        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): 1210
        詢價
        公司基本資料信息
         
         
        產(chǎn)品詳細(xì)說明
         

        品名和結(jié)構(gòu):                                                                                                                 

        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(jī)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(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(hù)手套。隱涼、干燥、密封儲存
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