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Solstice® HFO Blends

Solstice® 449A - (R-449A)

Solstice® 449A (R-449A) is a zeotropic blend designed to serve as a replacement for R-404A, R-507, R-22, R-407 series and interim blends in low- and medium-temperature commercial refrigeration.

Overview
Solstice® 449A (R-449A) is a zeotropic blend designed to serve as a replacement for R-404A, R-507, R-22, R-407 series and interim blends in low- and medium-temperature commercial refrigeration. This hydrofluoroolefin (HFO) blend demonstrates environmental and performance benefits in retrofits as well as new systems. In addition, Solstice 449A has been approved by major global equipment and component manufacturers.
Specifications

General Information

  • Application
    • Food Retail - Supermarket System
    • Industrial Process Refrigeration – Chillers: Low or Medium Temperature
  • ASHRAE Number
    • R-449A
  • Brand
    • Solstice®
  • Formula
    • R-1234yf - 25.3%
    • R-125 - 24.7%
    • R-134a - 25.7%
    • R-32 - 24.3%
  • Performance Function
    • New Systems
    • Retrofit
  • Refrigerant Class
    • Zeotropic Blend
  • Refrigerant Type
    • HFO Blend
  • Replaces
    • R-22
    • R-404A
    • R-407
    • R-507

Physical Properties

  • Appearance
    • Colorless
  • Critical Density
    • 29.9 lbm/ft3
    • 479.4 kg/m3
  • Critical Pressure
    • 4,499.7 kPA (abs)
    • 652.6 psia
  • Critical Volume
    • 2.09 m3/kg
  • Liquid Density
    • 68.5 lbm/ft3 @ 77°F
    • 74.8 lbm/ft3 @ 32°F
  • Liquid Heat Capacity
    • 1.55 KJ/kg-K @ 25°C
  • Liquid Thermal Conductivity
    • 0.046 Btu/(h-ft-R) @ 77°F
    • 80.5 W/m-K @ 25°C
  • Liquid Viscosity
    • 0.000093 lbm/ft-sec @ 77°F
    • 54.4 µPa-s @ 25°C
  • Lower Flammable Limit
    • Nonflammable
  • Molecular Weight
    • 87.2 g/mol
  • Vapor Density
    • 3.1 lbm/ft3 @ 77°F
    • 49.3 kg/m3 @ 25°C
  • Vapor Heat Capacity
    • 0.37 Btu/lbm-R @ 77°F
    • 1.16 KJ/kg-K @ 25°C
  • Vapor Pressure
    • 1,112.3 kPA (abs) @ 25°C hectopascal
    • 161.3 psia @ 77F hectopascal
  • Vapor Thermal Conductivity
    • 0.0085 Btu/h-ft-F @ 77°F
    • 14.7 W/m-K @ 25°C
  • Vapor Viscosity
    • 0.0000083 lbm/ft-sec @ 77°F
    • 20.0 µPa-s87.2 lbm/lb-mol @ 25°C

Temperature

  • Boiling Point/Range
    • -45.7°C
  • Critical Temperature
    • 179.7°F
    • 82.1°C

Safety & Environment

  • Flammable Range
    • Nonflammable
  • Global Warming Potential
    • 1282 5th IPCC
    • 1397 4th IPCC
  • Ozone Depletion Potential
    • 0

Standards & Approvals

  • ASHRAE Safety Classification
    • A1 (Nonflammable)

General Information

  • Application
    • Food Retail - Supermarket System
    • Industrial Process Refrigeration – Chillers: Low or Medium Temperature
  • ASHRAE Number
    • R-449A
  • Brand
    • Solstice®
  • Formula
    • R-1234yf - 25.3%
    • R-125 - 24.7%
    • R-134a - 25.7%
    • R-32 - 24.3%
  • Performance Function
    • New Systems
    • Retrofit
  • Refrigerant Class
    • Zeotropic Blend
  • Refrigerant Type
    • HFO Blend
  • Replaces
    • R-22
    • R-404A
    • R-407
    • R-507

Physical Properties

  • Appearance
    • Colorless
  • Critical Density
    • 29.9 lbm/ft3
    • 479.4 kg/m3
  • Critical Pressure
    • 4,499.7 kPA (abs)
    • 652.6 psia
  • Critical Volume
    • 2.09 m3/kg
  • Liquid Density
    • 68.5 lbm/ft3 @ 77°F
    • 74.8 lbm/ft3 @ 32°F
  • Liquid Heat Capacity
    • 1.55 KJ/kg-K @ 25°C
  • Liquid Thermal Conductivity
    • 0.046 Btu/(h-ft-R) @ 77°F
    • 80.5 W/m-K @ 25°C
  • Liquid Viscosity
    • 0.000093 lbm/ft-sec @ 77°F
    • 54.4 µPa-s @ 25°C
  • Lower Flammable Limit
    • Nonflammable
  • Molecular Weight
    • 87.2 g/mol
  • Vapor Density
    • 3.1 lbm/ft3 @ 77°F
    • 49.3 kg/m3 @ 25°C
  • Vapor Heat Capacity
    • 0.37 Btu/lbm-R @ 77°F
    • 1.16 KJ/kg-K @ 25°C
  • Vapor Pressure
    • 1,112.3 kPA (abs) @ 25°C hectopascal
    • 161.3 psia @ 77F hectopascal
  • Vapor Thermal Conductivity
    • 0.0085 Btu/h-ft-F @ 77°F
    • 14.7 W/m-K @ 25°C
  • Vapor Viscosity
    • 0.0000083 lbm/ft-sec @ 77°F
    • 20.0 µPa-s87.2 lbm/lb-mol @ 25°C

Temperature

  • Boiling Point/Range
    • -45.7°C
  • Critical Temperature
    • 179.7°F
    • 82.1°C

Safety & Environment

  • Flammable Range
    • Nonflammable
  • Global Warming Potential
    • 1282 5th IPCC
    • 1397 4th IPCC
  • Ozone Depletion Potential
    • 0

Standards & Approvals

  • ASHRAE Safety Classification
    • A1 (Nonflammable)
  • ASHRAE Number : R-449A
  • Brand : Solstice®
  • Replaces : R-22|R-404A|R-407|R-507
  • Refrigerant Type : HFO Blend
  • Application : Food Retail - Supermarket System|Industrial Process Refrigeration – Chillers: Low or Medium Temperature
  • Refrigerant Class : Zeotropic Blend
  • Formula : R-1234yf - 25.3%|R-125 - 24.7%|R-134a - 25.7%|R-32 - 24.3%
  • Liquid Thermal Conductivity : 0.046 Btu/(h-ft-R) @ 77°F|80.5 W/m-K @ 25°C
  • Liquid Heat Capacity : 1.55 KJ/kg-K @ 25°C
  • Liquid Viscosity : 0.000093 lbm/ft-sec @ 77°F|54.4 µPa-s @ 25°C
  • Vapor Heat Capacity : 0.37 Btu/lbm-R @ 77°F|1.16 KJ/kg-K @ 25°C
  • Lower Flammable Limit : Nonflammable
  • Critical Volume : 2.09 m3/kg
  • Vapor Thermal Conductivity : 0.0085 Btu/h-ft-F @ 77°F|14.7 W/m-K @ 25°C
  • Vapor Density : 3.1 lbm/ft3 @ 77°F|49.3 kg/m3 @ 25°C
  • Liquid Density : 68.5 lbm/ft3 @ 77°F|74.8 lbm/ft3 @ 32°F
  • Critical Density : 29.9 lbm/ft3|479.4 kg/m3
  • Appearance : Colorless
  • Vapor Viscosity : 0.0000083 lbm/ft-sec @ 77°F|20.0 µPa-s87.2 lbm/lb-mol @ 25°C
  • Molecular Weight : 87.2 g/mol
  • Vapor Pressure : 1,112.3 kPA (abs) @ 25°C hectopascal|161.3 psia @ 77F hectopascal
  • Critical Pressure : 4,499.7 kPA (abs)|652.6 psia
  • Boiling Point/Range : -45.7°C
  • Critical Temperature : 179.7°F|82.1°C
  • Flammable Range : Nonflammable
  • Ozone Depletion Potential : 0
  • Global Warming Potential : 1282 5th IPCC|1397 4th IPCC
  • ASHRAE Safety Classification : A1 (Nonflammable)
  • Performance Function : New Systems|Retrofit
Data Sheet
Name
Description
File Size
Date
Size
(R-449A)
application/pdf 1.33 MB
5/13/2024
1.33 MB
Name
Description
File Size
Date
Size
(R-449A)
application/pdf 1.33 MB
5/13/2024
1.33 MB
Name
Description
File Size
Date
Size
(R-449A)
1.33 MB
5/13/2024