Dihalomethane
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The dihalomethanes are organic compounds in which two hydrogen atoms in methane are replaced by halogen atoms. They belong to the haloalkanes, specifically the subgroup of halomethanes, and contains ten members.
There are four members with only one kind of halogen atom: difluoromethane, dichloromethane, dibromomethane and diiodomethane.
There are six members with two kinds of halogen atoms:
- Bromochloromethane
- Bromofluoromethane
- Bromoiodomethane
- Chlorofluoromethane
- Chloroiodomethane
- Fluoroiodomethane
| Structural Formula | 
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| Name | Difluoromethane | Dichloromethane | Dibromoethane | Diiodomethane |
| Melting point | −136 °C[1] | −97 °C[2] | −52 °C[3] | 6 °C[4] |
| Boiling point | −51,7 °C[1] | 40 °C[2] | 97 °C[3] | Zersetzung[4] |
| Space-filling model | 
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Reference
- ^ a b Record of Difluormethan in the GESTIS Substance Database of the Institute for Occupational Safety and Health, accessed on 2020-02-29.
- ^ a b Record of Dichlormethan in the GESTIS Substance Database of the Institute for Occupational Safety and Health, accessed on 2020-02-29.
- ^ a b Record of Dibrommethan in the GESTIS Substance Database of the Institute for Occupational Safety and Health, accessed on 2020-02-29.
- ^ a b Record of Methyleniodid in the GESTIS Substance Database of the Institute for Occupational Safety and Health, accessed on 2020-02-29.
See also
Wikimedia Commons has media related to Dihalomethanes.