The CAS number 1975-10-5 refers to Difluoromethane, which is also commonly known as HFC-32 (Hydrofluorocarbon). This compound is widely used in various industrial applications, particularly as a refrigerant. Below are the characteristics of Difluoromethane:
Characteristics of Difluoromethane (HFC-32):
Chemical Formula: CH2F2
Appearance: Colorless gas or clear, colorless liquid when compressed.
Boiling Point: -51.7°C (-61.1°F)
Melting Point: -152.7°C (-242.9°F)
Density: 1.44 kg/m³ at 0°C (32°F) and 1 atm, liquid density around 1250 kg/m³ at 25°C (77°F) and 1 atm.
Solubility in Water: Slightly soluble.
Vapor Pressure: 1000 kPa at 25°C (75°F)
Ozone Depletion Potential (ODP): 0 (does not deplete the ozone layer)
Global Warming Potential (GWP): 100-year GWP of 2500 (significantly contributes to global warming)
Uses: Primarily used as a refrigerant in air conditioning systems, heat pumps, and refrigerators. It is also used in fire suppression systems, as a blowing agent in foam production, and as a solvent.
Safety Information:
Difluoromethane is non-flammable but can cause asphyxiation by displacing oxygen in confined spaces.
It is toxic in high concentrations, affecting the nervous system and potentially causing cardiac arrhythmia.
Exposure to very low temperatures can result in frostbite.