Solstice® 454C - (R-454C)

• Refrigerant Type : Zeotropic blend

• Formula : R-32 / R-1234yf (21.5% / 78.5%)

• Typical Lubricant : POE|PVE

• Glide : 7.3°C / 13.1°F ( at 25°C / 77°F average saturation temperature)|7.8°C / 14.0°F ( at 0°C / 32°F average saturation temperature)

• Brand : Solstice®

• Application : Cold Storage|Commercial Ice Machines|Food Retail - Condensing Unit|Food Retail - High Side of Cascade|Food Retail - Stand-Alone Refrigerator|Food Retail - Supermarket System|Ice Rinks|Industrial Process Refrigeration - Non Chiller|Industrial Process Refrigeration – Chillers: Low or Medium Temperature|Refrigerated Transport

• Replaces : R-404A|R-448A|R-507

• Contains : 2,3,3,3-Tetrafluoropropene (R-1234yf)|Difluoromethane (R-32)

• ASHRAE Number : 454C

• Refrigerant Class : HFO Blend

• Composition : R-32/1234yf (21.5%/78.5%)

• Vapor Heat Capacity : 0.996 kJ/kg.K / 0.238 Btu/lb.°F ( at 0°C / 32°F average saturation temperature)|1.167 kJ/kg.K / 0.279 Btu/lb.°F ( at 25°C / 77°F average saturation temperature)

• Saturated Liquid Density : 1057.3 kg/m3 / 66.0 lb/ft3 ( at 25°C / 77°F average saturation temperature)|1149.5 kg/m3 / 71.8 lb/ft3 ( at 0°C / 32°F average saturation temperature)

• Molecular Weight : 90.776 g/mol

• Critical Pressure : 43.19 bar / 626.4 psia

• Vapor Pressure : 10.81 bar / 156.8 psia ( at 25°C / 77°F average saturation temperature, 28.6°C / 83.5°F dew temp.) hectopascal|4.54 bar / 65.8 psia ( at 0°C / 32°F dew temperaure) hectopascal|5.16 bar / 74.8 psia ( at 0°C / 32°F average saturation temperature, 3.9°C / 39.0°F dew temp.) hectopascal|9.77 bar / 141.7 psia ( at 25°C / 77°F dew temperature) hectopascal

• Vapor Density : 23.3 kg/m3 / 1.45 lb/ft3 ( at 0°C / 32°F average saturation temperature)|4.91 kg/m3 / 0.306 lb/ft3 ( at atmospheric presure, boiling point)|49.5 kg/m3 / 3.09 lb/ft3 ( at 25°C / 77°F average saturation temperature)

• Solubility in Water : N/A

• Liquid Viscosity : 135.3 μPa.s / 9.09E-05 lb/ft.s ( at 25°C / 77°F average saturation temperature)|182.5 μPa.s / 1.23E-04 lb/ft.s ( at 0°C / 32°F average saturation temperature)

• Kauri-Butanol Value : N/A

• Expansion Ratio : 334.5 (for liquid at 1 atm, vapor at 22°C / 71.6°F)

• Critical Density : 461.6 kg/m3 / 28.8 lb/ft3

• Appearance : Colorless

• Specific Heat of Vapor : 0.996 kJ/kg.K / 0.238 Btu/lb.°F ( at 0°C / 32°F average saturation temperature)|1.167 kJ/kg.K / 0.279 Btu/lb.°F ( at 25°C / 77°F average saturation temperature)

• Solubility of Water : N/A

• Vapor Thermal Conductivity : 0.0122 W/m.K / 0.00708 Btu/hr.ft.°F ( at 0°C / 32°F average saturation temperature)|0.0148 W/m.K / 0.00855 Btu/hr.ft.°F ( at 25°C / 77°F average saturation temperature)

• Liquid Heat Capacity : 1.395 kJ/kg.K / 0.333 Btu/lb.°F ( at 0°C / 32°F average saturation temperature)|1.516 kJ/kg.K / 0.362 Btu/lb.°F ( at 25°C / 77°F average saturation temperature)

• Heat of Gas : N/A

• Lower Flammable Limit : 7.7% (V)

• Liquid Thermal Conductivity : 0.0771 W/m.K / 0.0446 Btu/hr.ft.°F ( at 25°C / 77°F average saturation temperature)|0.0879 W/m.K / 0.0508 Btu/hr.ft.°F ( at 0°C / 32°F average saturation temperature)

• Heat of Vaporization : 172.3 kJ/kg / 74.08 Btu/lb ( at 25°C / 77°F average saturation temperature)|196.8 kJ/kg / 84.61 Btu/lb ( at 0°C / 32°F average saturation temperature)

• Vapor Volume : 0.0202 m3/kg / 0.324 ft3/lb ( at 25°C / 77°F average saturation temperature)|0.0429 m3/kg / 0.690 ft3/lb ( at 0°C / 32°F average saturation temperature)

• Surface Tension : 0.00538 N/m / 3.074E-05 lbf/in (saturated liquid at 0°C / 32°F average saturation temperature)|0.00618 N/m / 3.526E-05 lbf/in (saturated liquid at 25°C / 77°F average saturation temperature)|0.00875 N/m / 4.998E-05 lbf/in (saturated vapor at 0°C / 32°F average saturation temperature)|0.00986 N/m / 5.630E-05 lbf/in (saturated vapor at 25°C / 77°F average saturation temperature)

• Specific Gravity : 0.0233 (saturated vapor at 0°C / 32°F average saturation temperature)|0.0495 (saturated vapor at 25°C / 77°F average saturation temperature)|1.0592 (saturated liquid at 25°C / 77°F average saturation temperature)|1.1515 (saturated liquid at 0°C / 32°F average saturation temperature)

• Liquid Density : 1057.3 kg/m3 / 66.0 lb/ft3 ( at 25°C / 77°F average saturation temperature)|1149.5 kg/m3 / 71.8 lb/ft3 ( at 0°C / 32°F average saturation temperature)

• Latent Heat of Vaporization : 172.3 kJ/kg / 74.08 Btu/lb ( at 25°C / 77°F average saturation temperature)|196.8 kJ/kg / 84.61 Btu/lb ( at 0°C / 32°F average saturation temperature)

• Specific Heat of Liquid : 1.395 kJ/kg.K / 0.333 Btu/lb.°F ( at 0°C / 32°F average saturation temperature)|1.516 kJ/kg.K / 0.362 Btu/lb.°F ( at 25°C / 77°F average saturation temperature)

• Liquid Expansion Coefficient : 0.003 1/K / 0.00167 1/°F ( at 0°C / 32°F average saturation temperature)|0.004 1/K / 0.00222 1/°F ( at 25°C / 77°F average saturation temperature)

• Critical Volume : 0.002166 m3/kg / 0.03470 ft3/lb

• Vapor Viscosity : 11.10 μPa.s / 7.46E-06 lb/ft.s ( at 0°C / 32°F average saturation temperature)|12.24 μPa.s / 8.22E-06 lb/ft.s ( at 25°C / 77°F average saturation temperature)

• Theoretical Heat of Combustion : 9989.6 kJ/kg

• Specific Heat of Saturated Vapor : 0.996 kJ/kg.K / 0.238 Btu/lb.°F ( at 0°C / 32°F average saturation temperature)|1.167 kJ/kg.K / 0.279 Btu/lb.°F ( at 25°C / 77°F average saturation temperature)

• Specific Heat of Saturated Liquid : 1.395 kJ/kg.K / 0.333 Btu/lb.°F ( at 0°C / 32°F average saturation temperature)|1.516 kJ/kg.K / 0.362 Btu/lb.°F ( at 25°C / 77°F average saturation temperature)

• Freezing Point : -152.2°C / -242.0°F (-R1234yf), -136.0°C / -212.8°F (R-32)

• Flashpoint : N/A

• Boiling Point/Range : -50.0°F

• Critical Temperature : 85.67°C / 186.2 °F

• Autoignition Temperature : 444°C / 831.2 °F

• Ozone Depletion Potential : 0

• Flammable Range : 7.7% to 15.7% (V)

• Global Warming Potential : 148

• ASHRAE Safety Classification : A2L (Mildly flammable)

• Other Notes : 7.7% to 15.7% (V) Vapor Flame Limit|R-32/1234yf (21.5%/78.5%) Weight Percentage