四卤甲烷 用途 參見 导航菜单编辑或修订编辑或修订

无机碳化合物卤代烃


甲烷卤素取代基有機化學無機化學四氟化碳四碘化碳键能冷媒CH3FCH3ClCH3BrCH3ICH2F2CH2ClFCH2BrFCH2FICH2Cl2CH2BrClCH2ClICH2Br2CH2BrICH2I2CHF3CHClF2CHBrF2CHF2ICHCl2FCHBrClF*CHClFI*CHBr2FCHBrFI*CHFI2CHCl3CHBrCl2CHCl2ICHBr2ClCHBrClI*CHClI2CHBr3CHBr2ICHBrI2CHI3CF4CClF3CBrF3CF3ICCl2F2CF2BrClCClF2ICBr2F2CBrF2ICF2I2CCl3FCBrCl2FCCl2FICBr2ClFCBrClFI*CClFI2CBr3FCBr2FICBrFI2CFI3CCl4CBrCl3CCl3ICBr2Cl2CBrCl2ICCl2I2CBr3ClCBr2ClICBrClI2CClI3CBr4CBr3ICBr2I2CBrI3CI4




四卤甲烷是甲烷的四个氢全部被卤素取代基所取代的化合物,它的通式为CBrkCllFmIn


四卤甲烷恰好在有機化學及無機化學的邊界上,因此其命名可以用有機化合物或無機化合物的方式。例如 CCl4 可以依無機化合物的命名法,命名為四氯化碳,也可以用有機化合物的命名法,命名為四氯甲烷。


甲烷的四個氫也可以全部被同一種卤素取代,不過其化學穩定性以以下的順序遞減: CF4 > CH4 > CCl4 > CBr4 > CI4。由特別穩定的氣態四氟化碳(键能515 kJ.mol-1)到固態的四碘化碳,其化學穩定性和键能有關。


也有許多四卤甲烷是被二種或二種以上的卤素取代。



用途


含氟、氯的四卤甲烷及一些含溴的四卤甲烷會作為冷媒使用。



參見


  • 卤化物

  • 卤代烷

  • 卤素





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