Description
PHYSICAL AND CHEMICAL PROPERTIES | |
Chemical Name | 1,1,1-Trifluoroethane (R143a)
Pentafluoroethane (R125) |
Chemical Formula | CH3CF3 & CHF2CF3 |
Appearance | Colorless liquefied gas |
Odor | Faint, ether-like odor |
Average Molecular Weight (g/mol) | 98.9 |
Normal Boiling Point (NBP) (°F) | -52.1 |
Latent Heat of Vaporization @ NBP (BTU/lbs.) | 84.7 |
Critical Temperature (°F) | 159.1 |
Critical Pressure (psia) | 537.4 |
Density of Saturated Vapor @ NBP (lb/ft³) | 0.35 |
Density of Saturated Liquid @ 77 °F (lb/ft³) | 65.4 |
Specific Heat of Saturated Vapor @ NPB (BTU/lb °F) | 0.19 |
Specific Heat of Saturated Liquid @ 77 °F (BTU/lb °F) | 0.37 |
Ozone Depletion Potential (ODP) (CFC 11 = 1.0) | 0 |
Global Warming Potential (GWP) | 3,985 |
Occupational Exposure Limits (8 hr. time/wt. Avg.) (ppm) | 1,000 |
R507 is blended to match the properties of R502, making it a good refrigerant for some medium and most low-temperature Refrigeration applications; food display, storage cases, Cold storage rooms