推薦產品
訊號詞
Danger
危險聲明
危險分類
Flam. Liq. 2
儲存類別代碼
3 - Flammable liquids
水污染物質分類(WGK)
WGK 3
閃點(°F)
1.4 °F - closed cup
閃點(°C)
-17 °C - closed cup
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Since 1995, Me(3)SiCF(2)H has been widely believed to be an inefficient difluoromethylating agent, which requires harsh reaction conditions to cleave its rather inert Si-CF(2)H bond. However, it has now been found that, by using a proper Lewis base activator, Me(3)SiCF(2)H
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Isotope effects on fluorine chemical shifts induced by heteroatoms bonded covalently to a carbon atom bearing fluorine atoms were studied. For each compound, the isotope-induced chemical shifts 2delta19F(X) through two bonds were measured for the heteroatom (X = 29/28Si, 30/28Si
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