N-甲基吡咯烷酮性質(zhì)熔點-24°C(lit.)沸點202°C(lit.)81-82°C/10mmHg(lit.)密度1.028g/mLat25°C(lit.)蒸氣密度3.4(vsair)蒸氣壓0.29mmHg(20°C)折射率n20/D1.479閃點187°F儲存條件Storeat+5°Cto+30°C.溶解度ethanol:miscible0.1ML/mL,clear,colorless(10%,v/v)形態(tài)Liquid酸度系數(shù)(pKa)-0.41±0.20(Predicted)顏色≤20(APHA)氣味(Odor)SlightamineodorPH值8.5-10.0(100g/l,H2O,20℃)酸堿指示劑變色ph值范圍7.7-8.0爆炸極限值(explosivelimit)1.3-9.5%(V)水溶解性>=10g/100mLat20oC波長(λmax)283nm(MeOH)(lit.)敏感性HygroscopicMerck14,6117BRN106420穩(wěn)定性Stable,butdecomposesuponexposuretolight.Combustible.Incompatiblewithstrongoxidizingagents,strongacids,reducingagents,bases.InChIKeySECXISVLQFMRJM-UHFFFAOYSA-NCAS數(shù)據(jù)庫872-50-4(CASDataBaseReference)NIST化學(xué)物質(zhì)信息2-Pyrrolidinone,1-methyl-(872-50-4)EPA化學(xué)物質(zhì)信息N-Methyl-2-pyrrolidone(872-50-4)