Propylene oxide，also known as methyloxirane, propyleneoxide, is the third largest propylene derivative after polypropylene and acrylonitrile. As a colorless and inflammable liquid with ether odor, low boiling point, it is a very important organic chemical material, a primary raw material in PU industry.
中文别名/Other Chinese names: 氧化丙烯；PO;甲基环氧乙烷
英文名称/English name: Propylene oxide;简称/abbreviated as：PO
英文别名/other English names: 1,2-Epoxypropane; Methyloxirane; Propyleneoxide,99%
密度/density: 0.830 g/cm3 （20 °C)
熔点/melting point: -112 °C
沸点/boiling point: 34 °C