国内三级直播间在观看,国产3p绿奴在线视频,亚洲精品国产精品乱欧美码不99,嫩草国产,毛片视频无遮挡在线播放,毛片视频无遮挡在线播放,黄色网址亚洲

Product name: 2,2', 6,6'-tetrabromobisphenol A diallyl ether
CAS number: 25327-89-3
Molecular formula: C21H20Br4O2
Molecular weight: 623.9983

Main Uses
as an intermediate can be further brominated to prepare TetraBromoBisphenol A (2,3-Dibromopropyl) ether. It can be used as a crosslinkable and additive flame retardant for expandable polystyrene resins; it is a reactive flame retardant. It is mainly used for flame retardant materials such as expanded polystyrene, unsaturated polyester, and expanded polyester.