成人h动漫精品一区二区_日韩超清无码在线观看_精品国产AV无码久久久妖精_亚洲成AV人在线观看福利

4,4'-Difluorobenzophenone

Product Type Benzophenone Derivatives
CAS No. 345-92-6
Physicochemical properties

Appearance: White crystalline powder , Loss on drying: 0.20% Max, Melting Point: 107 ~ 109 ° C
Structural formula 4,4'-Difluorobenzophenone
Content 99.90%min
Detailed Introduction