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(hào)：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):                                                                                                        

200公斤塑料/鐵桶，避免吸入及與皮膚、眼睛的接觸，使用時(shí)需戴防護(hù)手套。隱涼、干燥、密封儲(chǔ)存

項(xiàng)目

K值

  殘單%

水份%

固含量%

PH值

灰份%

k17(粉)

15-19

≤0.2

≤5.0

≥95

3-7

≤0.1

K17(液體)

15-19

≤0.2

-

40±1

7-9

≤0.1

k25(粉)

22-28

≤0.2

≤5.0

≥95

3-7

≤0.1

k30(液體)

27-33

???0.2

-

30±1

7-9

≤0.1

k30(粉)

27-33

≤0.2

≤5.0

≥95

3-7

≤0.1

k90(粉)

81-94

≤0.2

≤5.0

≥95

5-8

≤0.1

k90(液體)

81-97

≤0.2

-

20±1

6-9

≤0.1

項(xiàng)目

K值

殘單%

水份%

灰份%

PH值

氮含量%

醛含量%(以乙醛計(jì))ppm

重金屬ppm

肼 ppm

過氧化物ppm

k17(粉)

15-19

≤0.1

≤5.0

≤0.1

3-7

11.5-12.8

≤500

≤10

≤1

≤400

k25(粉)

22-28

≤0.1

≤5.0

≤0.1

3-7

11.5-12.8

≤500

≤10

≤1

≤400

k30(粉)

27-32

≤0.1

≤5.0

≤0.1

3-7

11.5-12.8

≤500

≤10

≤1

≤400

k90(粉)

81-94

≤0.1

≤5.0

≤0.1

5-8

12.0-12.8

≤500

≤10

≤1

≤400

藥用級(jí)/工業(yè)級(jí)、25千克/塑桶 (D:380mm; H:500mm)。常溫、干燥、避光處密封保存。

產(chǎn)品用途：N-甲基吡咯烷酮(NMP)是一種極性的非質(zhì)子傳遞溶劑。具有毒性小、沸點(diǎn)高、溶解力出眾。選擇性強(qiáng)和穩(wěn)定性好的優(yōu)點(diǎn)。廣泛用于芳烴萃取、乙炔、烯烴、二烯烴的純化，聚偏二氟乙烯的溶劑,鋰離子電池的電極輔助材料,合成氣脫硫、潤(rùn)滑油精制、潤(rùn)滑油抗凍劑、烯烴萃取劑、難溶工程塑料聚合時(shí)的溶劑，農(nóng)用除草劑，絕緣材料、集成電路制作，半導(dǎo)體行業(yè)精密儀器、線路板的洗凈,PVC尾氣回收，清洗劑、染料助劑、分散劑等。 也用于聚合物的溶劑及聚合反應(yīng)的介質(zhì)，如工程塑料及芳綸纖維。另外還可用在農(nóng)藥、醫(yī)藥和清潔劑等方面。

包裝儲(chǔ)運(yùn)：鍍鋅鐵桶，凈重200公斤/桶。貯存于陰涼、通風(fēng)庫(kù)房?jī)?nèi)，遠(yuǎn)離火種、熱源，與氧化劑分開。搬運(yùn)時(shí)輕裝輕卸，保持包裝完整，防止泄漏。按一般化學(xué)品運(yùn)輸。