四川鸿福星科科技有限公司,国产福利第一视频在线播放,久久无码av一区二区三区,国产精品亚洲а∨天堂免下载},一本精品99久久精品77

C a s: 81290-20-2
Molecular formula: c₄h₉f₃si
Linear formula: (CH₃) ₃sicf₃
Molecular weight: 142.20
Purity: > 98%
Appearance: colorless transparent liquid
Boiling point (° C): 53-55 ℃
Relative density: 0.962g/ml at 20 ° C (lit.)