Lub cevProperty：
Cov kua dej tsis muaj xim. Lub meltingpoint yog 24.6 ° C, boiling point 245 ℃, lub refractive index 1.4870, miscible nrog dej, cawv, ether, chloroform, benzene, ethyl acetate, thiab carbon dioxide, tab sis hardly soluble nyob rau hauv roj av ether. Qhov ceev 1.12g / mLat25 ℃ (lit.), chav ceev 2.9 (vsair), cia txias 2-8 ℃.
Daim ntawv thov:
2-Pyrrolidoneyog ib tug polar hnyav nrog ib tug kub kub taw tes, siv raws li ib tug hnyav thiab nruab nrab nyob rau hauv cov organic synthesis los tsim nylon -4 thiab vinyl pyro alkyl ketone, feem ntau yog siv.nyob rau hauv hluavtaws cob, tshuaj tua kab, polyols, number case, thiab iodine solvents,kujraws liraw cov ntaub ntawv rau zus tau tej cov polyvinylpyrrolidone, nylon-4 thiab lub hlwb rehabilitation, siv los tsim cov tshuaj kho tsiaj ua ke nrog PVPK15/K17.