Chlorodifluoromethane, also known as difluoromonochloromethane, is a hydrochlorofluorocarbon (HCFC) widely recognized by its code names HCFC-22, R-22, Genetron 22, or Freon 22. This colorless, volatile liquid exhibits a slight ethereal and faint sweetish odor and is composed of non-flammable materials. Its applications range from being a refrigerant for low-temperature systems to serving as a solvent in the manufacture of resins and polytetrafluoroethylene (PTFE). With a molecular mass of 86.47, its boiling point stands at -40.8 °C, while its critical temperature is 96.2 °C.

| Attribute | Description |
|---|---|
| Chemical Name | Chlorodifluoromethane or Difluoromonochloromethane |
| Code Names | HCFC-22, R-22, Genetron 22, Freon 22 |
| Chemical Formula | Not specified |
| State | Colorless liquid |
| Odor | Slight ethereal and faint sweetish odor |
| Flammability | Non-flammable |
| Applications | Refrigerant for low-temperature systems, solvent in resin and PTFE manufacture |
| Molecular Mass | 86.47 |
| Boiling Point | -40.8 °C |
| Critical Temperature | 96.2 °C |


















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