久久国产香肠视频限制免费_欧美另类亚洲日韩久久久久_亚洲制服丝袜一区二区三区_国产亚洲欧美在线专区

Product Center

2,2-Difluoroethanol

Product Type 　 Fluorine series chemicals
Cas No. 　431-67-4
Structural formula
Detail

Usage: Used as organic synthetic intermediates, also for pesticides and herbicides

Appearance: Colorless liquid