最新在线国产精品91_国产a一级**片午夜剧院_最新av无缓冲在线观看_成年超爽网站_日本欧美九一视频_影音先锋中文无码资源区_夜夜爽天天干精品_5566中文字幕在线视频_中文字幕第64久久_www国产精品内射熟女

,Jinan DaheWeiye Chemical Co., Ltd

Home| E-mial | Contact Us

Hot search: Methyl sulfoxide (DMSO)  , Thioacetamide  , m-Xylene  , Ethyl acetoacetate  , 

Product details

1-Methyl-2-pyrrolidinone

Product name 1-Methyl-2-pyrrolidinone
CAS RN 872-50-4;2687-44-7
EINECS No. 212-828-1
Molecular formula C5H9NO
Molecular weight 99.13
Physical and chemical properties Properties Colorless transparent oily liquid, slight smell of amine.
Melting point -24.4℃
Boiling point 203℃
Relative Density 1.0260
Refractive index 1.486
Flash point 95℃
Solubility good miscibility with water, alcohol, ether, ester, ketone, halogenated hydrocarbon, aromatic hydrocarbon .
Uses Widely used in refining advanced lubricating oil, polymer synthesis, insulation materials, pesticides, paints and cleaning agents, etc