Solstice® HFO Blends
Solstice® N40 - (R-448A)
Solstice® N40 (R-448A) is a nonflammable, reduced-GWP HFO blend for new supermarkets or R-404A retrofits, especially low- and medium-temp refrigeration. It has a GWP of 1273 and provides 68% GWP reduction compared to R404A.
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Overview
Solstice® N40 is a non-flammable, reduced GWP HFO refrigerant for new supermarkets or R-404A retrofits, especially low- and medium-temp refrigeration. It has a GWP of 1273 and provides 68% GWP reduction and around 15% lower energy consumption compared to R404A. It is listed under the U.S. EPA's SNAP program to replace ozone-depleting substances.
Search SDS Number in SDS Finder - 17419
Search SDS Number in SDS Finder - 17419
Typical Properties
General Information
- Application
- Food Retail - Condensing Unit
- Food Retail - High Side of Cascade
- Food Retail - Stand-Alone Refrigerator
- Food Retail - Supermarket System
- Disclaimer
- Although the information presented is believed to be accurate and reliable, user assumes all risks and liabilities related to the use of the products and/or information contained herein (including, but not limited to, risks relating to results, regulatory compliance and health, safety and environment). Information on potential applications for a product does not relieve the user from responsibility for ensuring that such use is approved in a particular country. Statements or suggestions concerning possible uses of a product are made without representation or warranty that any such use is free of patent infringement and are not recommendations to infringe any patent.
- ASHRAE Number
- R-448A
- Brand
- Solstice®
- Contains
- R-32 / R-125 / R134a / R-1234ze / R-1234yf
- Formula
- R-32 / R-125 / R-134a / R-1234ze(E) / R-1234yf, (26% / 26% / 21% / 7% / 20%)
- Glide
- 7.0 °F
- Refrigerant Class
- HFO Blend
- Refrigerant Type
- Zeotropic blend
- Replaces
- R-22
- R-402A
- R-404A
- R-408A
- R-502
- R-507
- Substitutes
- R-404A, R22, R-408A, R402-A
- Typical Lubricant
- POE (polyol ester) Oil
Physical Properties
- Appearance
- Colorless
- Critical Density
- 29.80 lbm/ft³
- Critical Pressure
- 666.4 psia
- Critical Volume
- 0.03356 ft³/lbm
- Heat of Vaporization
- 103.9 Btu/lbm
- Liquid Density
- 68.50 lbm/ft³ at 77°F
- 74.77 lbm/ft³ at 32ºF
- Liquid Heat Capacity
- 0.3717 Btu/lbm at 77 °F
- Liquid Thermal Conductivity
- 0.0469 Btu/h ft at 77 °F
- Liquid Viscosity
- 9.34 x 10-5 lbm/ft s at 77°F
- Lower Flammable Limit
- Nonflammable
- Molecular Weight
- 86.3 lbm/lbmol
- Vapor Density
- 0.2937 lbm/ft3
- 3.053 lbm/ft3
- Vapor Heat Capacity
- 0.2767 Btu/lbm at 77 °F
- Vapor Pressure
- 162.1 psia at 77 °F
- Vapor Thermal Conductivity
- 0.0084 Btu/h ft at 77 °F
- Vapor Viscosity
- 8.41 x 10-6 lbm/ft s
Temperature
- Boiling Point/Range
- -51.0 °F at 1 Atm
- Critical Temperature
- 180.8 °F
Safety & Environment
- Global Warming Potential
- 1386
- Ozone Depletion Potential
- 0
Standards & Approvals
- ASHRAE Safety Classification
- A1 (Nonflammable)
- REACH Product Stewardship
- Registered
General Information
- Application
- Food Retail - Condensing Unit
- Food Retail - High Side of Cascade
- Food Retail - Stand-Alone Refrigerator
- Food Retail - Supermarket System
- Disclaimer
- Although the information presented is believed to be accurate and reliable, user assumes all risks and liabilities related to the use of the products and/or information contained herein (including, but not limited to, risks relating to results, regulatory compliance and health, safety and environment). Information on potential applications for a product does not relieve the user from responsibility for ensuring that such use is approved in a particular country. Statements or suggestions concerning possible uses of a product are made without representation or warranty that any such use is free of patent infringement and are not recommendations to infringe any patent.
- ASHRAE Number
- R-448A
- Brand
- Solstice®
- Contains
- R-32 / R-125 / R134a / R-1234ze / R-1234yf
- Formula
- R-32 / R-125 / R-134a / R-1234ze(E) / R-1234yf, (26% / 26% / 21% / 7% / 20%)
- Glide
- 7.0 °F
- Refrigerant Class
- HFO Blend
- Refrigerant Type
- Zeotropic blend
- Replaces
- R-22
- R-402A
- R-404A
- R-408A
- R-502
- R-507
- Substitutes
- R-404A, R22, R-408A, R402-A
- Typical Lubricant
- POE (polyol ester) Oil
Physical Properties
- Appearance
- Colorless
- Critical Density
- 29.80 lbm/ft³
- Critical Pressure
- 666.4 psia
- Critical Volume
- 0.03356 ft³/lbm
- Heat of Vaporization
- 103.9 Btu/lbm
- Liquid Density
- 68.50 lbm/ft³ at 77°F
- 74.77 lbm/ft³ at 32ºF
- Liquid Heat Capacity
- 0.3717 Btu/lbm at 77 °F
- Liquid Thermal Conductivity
- 0.0469 Btu/h ft at 77 °F
- Liquid Viscosity
- 9.34 x 10-5 lbm/ft s at 77°F
- Lower Flammable Limit
- Nonflammable
- Molecular Weight
- 86.3 lbm/lbmol
- Vapor Density
- 0.2937 lbm/ft3
- 3.053 lbm/ft3
- Vapor Heat Capacity
- 0.2767 Btu/lbm at 77 °F
- Vapor Pressure
- 162.1 psia at 77 °F
- Vapor Thermal Conductivity
- 0.0084 Btu/h ft at 77 °F
- Vapor Viscosity
- 8.41 x 10-6 lbm/ft s
Temperature
- Boiling Point/Range
- -51.0 °F at 1 Atm
- Critical Temperature
- 180.8 °F
Safety & Environment
- Global Warming Potential
- 1386
- Ozone Depletion Potential
- 0
Standards & Approvals
- ASHRAE Safety Classification
- A1 (Nonflammable)
- REACH Product Stewardship
- Registered
- ASHRAE Number : R-448A
- Typical Lubricant : POE (polyol ester) Oil
- Substitutes : R-404A, R22, R-408A, R402-A
- Replaces : R-22|R-402A|R-404A|R-408A|R-502|R-507
- Refrigerant Type : Zeotropic blend
- Refrigerant Class : HFO Blend
- Glide : 7.0 °F
- Formula : R-32 / R-125 / R-134a / R-1234ze(E) / R-1234yf, (26% / 26% / 21% / 7% / 20%)
- Disclaimer : Although the information presented is believed to be accurate and reliable, user assumes all risks and liabilities related to the use of the products and/or information contained herein (including, but not limited to, risks relating to results, regulatory compliance and health, safety and environment). Information on potential applications for a product does not relieve the user from responsibility for ensuring that such use is approved in a particular country. Statements or suggestions concerning possible uses of a product are made without representation or warranty that any such use is free of patent infringement and are not recommendations to infringe any patent.
- Contains : R-32 / R-125 / R134a / R-1234ze / R-1234yf
- Brand : Solstice®
- Application : Food Retail - Condensing Unit|Food Retail - High Side of Cascade|Food Retail - Stand-Alone Refrigerator|Food Retail - Supermarket System
- Vapor Viscosity : 8.41 x 10-6 lbm/ft s
- Vapor Thermal Conductivity : 0.0084 Btu/h ft at 77 °F
- Vapor Pressure : 162.1 psia at 77 °F
- Vapor Heat Capacity : 0.2767 Btu/lbm at 77 °F
- Vapor Density : 0.2937 lbm/ft3|3.053 lbm/ft3
- Molecular Weight : 86.3 lbm/lbmol
- Lower Flammable Limit : Nonflammable
- Liquid Viscosity : 9.34 x 10-5 lbm/ft s at 77°F
- Liquid Thermal Conductivity : 0.0469 Btu/h ft at 77 °F
- Liquid Heat Capacity : 0.3717 Btu/lbm at 77 °F
- Liquid Density : 68.50 lbm/ft³ at 77°F|74.77 lbm/ft³ at 32ºF
- Heat of Vaporization : 103.9 Btu/lbm
- Critical Volume : 0.03356 ft³/lbm
- Critical Pressure : 666.4 psia
- Critical Density : 29.80 lbm/ft³
- Appearance : Colorless
- Critical Temperature : 180.8 °F
- Boiling Point/Range : -51.0 °F at 1 Atm
- Ozone Depletion Potential : 0
- Global Warming Potential : 1386
- REACH Product Stewardship : Registered
- ASHRAE Safety Classification : A1 (Nonflammable)
Technical Note
Name
Description
File Size
Date
Size
Sales Sheet
Name
Description
File Size
Date
Size
Brochure
Name
Description
File Size
Date
Size
Most energy-efficient, reduced GWP alternative to R404A available
application/pdf 228.14 KB
3/12/2024
228.14 KB
Brochure
application/pdf 338.66 KB
9/18/2026
338.66 KB
Brochure
application/pdf 532.99 KB
9/18/2026
532.99 KB
Data Sheet
Name
Description
File Size
Date
Size
Refrigerants Applications Chart
application/pdf 3.01 MB
5/2/2026
3.01 MB
Name
Description
File Size
Date
Size
Most energy-efficient, reduced GWP alternative to R404A available
application/pdf 228.14 KB
3/12/2024
228.14 KB
Brochure
application/pdf 338.66 KB
9/18/2026
338.66 KB
Brochure
application/pdf 532.99 KB
9/18/2026
532.99 KB
Refrigerants Applications Chart
application/pdf 3.01 MB
5/2/2026
3.01 MB
Name
Description
File Size
Date
Size
Most energy-efficient, reduced GWP alternative to R404A available
228.14 KB
3/12/2024
