R134a
R134a is a hydrofluorocarbon (HFC) refrigerant gas used in air conditioning and refrigeration systems.
R134a is a refrigerant gas that is commonly used in air conditioning and refrigeration systems. It is a hydrofluorocarbon (HFC) that was introduced as a replacement for the older refrigerants, such as R12 and R22, which were found to contribute to ozone depletion. R134a does not contain any chlorine, which makes it a more environmentally friendly alternative. It is a colorless, odorless gas that is non-toxic and non-flammable. R134a has a low boiling point, which allows it to absorb heat from the surrounding environment and release it when it is compressed. It is a popular refrigerant due to its efficient performance and safety.
General Information
- 1,1,1,2-Tetrafluoroethane
Linear Formula
- CH2FCF3
Refrigerant Class
- HFC
ASHRAE Number
- R-134a
Substitutes
- R-1234yf, R-152a, R-744
Physical Properties
- 102.03 g/mol
Boiling Point
- -26.3°C
Freezing Point
- -101.1°C
Critical Temperature
- 101.1°C
Vapor Pressure
- 6.69 MPa (25°C)
Vapor Density
- 3.56 (air = 1.0)
Relative Density
- 1.21 g/cm³ (liquid at 25°C)
Water Solubility
- 0.15 g/L (25°C)
Evaporation Rate
- 3.4 (n-butyl acetate = 1.0)
Environment
- Non-flammable
Flammability Range
- None
Flash Point
- Not applicable
Global Warming Potential (GWP)
- 1300
Ozone Depletion Potential (ODP)
- 0
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