Propellant
Solstice® Air
As a near-zero global warming potential (GWP) propellant, our Solstice® Air offers performance similar to HFC-134a and is a near drop-in replacement with only minimal changes required to equipment.
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Solstice Air is a breakthrough for pressurized metered dose inhalers (pMDIs). A non-flammable and low global warming potential (GWP) alternative to hydrofluorocarbons, it is non-ozone-depleting, VOC-exempt (U.S. EPA and CARB), with an ultra-low GWP of less than 1.Note: Search Solstice* Air when using the SDS Finder
General Information
- Application
- Medical Propellant
- Brand
- Solstice®
- Chemical Name
- trans-1,3,3,3-Tetrafluoropropene
- Formula
- CF3-CH=CHF
- Linear Formula
- CF3CH=CHF
- Synonyms
- HFO-1234ze (E)
- trans-1234ze
- 1234ze(E)
Physical Properties
- Critical Density
- 489 kg/m3
- Critical Pressure
- 36.36 bar
- Expansion Ratio
- 247 at 1 atm and 60 °F (15.6 °C) (Liquid to Gas)
- Kauri-Butanol Value
- 12.5
- Liquid Density
- 1.17 g/mL at 21 °C
- Liquid Expansion Coefficient
- 0.0017 at 60 °F (15.6 °C)
- Liquid Viscosity
- 0.20 cP at 25 °C
- Molecular Weight
- 114 g/mol
- Solubility in Water
- 373 ppm at 20 °C
- Solubility of Water
- 225 ppm at 20 °C
- Specific Gravity
- 3.958 at 60 °F (15.5 °C)
- Surface Tension
- 8.95 mN / m
- Vapor Pressure
- 3.4 bar (49 psig) at 21 °C
Temperature
- Boiling Point/Range
- -19 °C at 1 atm
- Critical Temperature
- 109.4 °C
Safety & Environment
- Flammable Range
- Non-Flammable (ASTM E-681 / ISO 10156)
- Global Warming Potential
- <1
- Ozone Depletion Potential
- 0
Other
- Other Notes
- VOC Status - Exempt, Dipole Moment - 1.44 debye, Dielectric Strength (Vapor) - 0.12 kV/mil, Melting Point - -156 °C
General Information
- Application
- Medical Propellant
- Brand
- Solstice®
- Chemical Name
- trans-1,3,3,3-Tetrafluoropropene
- Formula
- CF3-CH=CHF
- Linear Formula
- CF3CH=CHF
- Synonyms
- HFO-1234ze (E)
- trans-1234ze
- 1234ze(E)
Physical Properties
- Critical Density
- 489 kg/m3
- Critical Pressure
- 36.36 bar
- Expansion Ratio
- 247 at 1 atm and 60 °F (15.6 °C) (Liquid to Gas)
- Kauri-Butanol Value
- 12.5
- Liquid Density
- 1.17 g/mL at 21 °C
- Liquid Expansion Coefficient
- 0.0017 at 60 °F (15.6 °C)
- Liquid Viscosity
- 0.20 cP at 25 °C
- Molecular Weight
- 114 g/mol
- Solubility in Water
- 373 ppm at 20 °C
- Solubility of Water
- 225 ppm at 20 °C
- Specific Gravity
- 3.958 at 60 °F (15.5 °C)
- Surface Tension
- 8.95 mN / m
- Vapor Pressure
- 3.4 bar (49 psig) at 21 °C
Temperature
- Boiling Point/Range
- -19 °C at 1 atm
- Critical Temperature
- 109.4 °C
Safety & Environment
- Flammable Range
- Non-Flammable (ASTM E-681 / ISO 10156)
- Global Warming Potential
- <1
- Ozone Depletion Potential
- 0
Other
- Other Notes
- VOC Status - Exempt, Dipole Moment - 1.44 debye, Dielectric Strength (Vapor) - 0.12 kV/mil, Melting Point - -156 °C
- Linear Formula : CF3CH=CHF
- Formula : CF3-CH=CHF
- Chemical Name : trans-1,3,3,3-Tetrafluoropropene
- Synonyms : HFO-1234ze (E)|trans-1234ze|1234ze(E)
- Brand : Solstice®
- Application : Medical Propellant
- Solubility of Water : 225 ppm at 20 °C
- Critical Density : 489 kg/m3
- Molecular Weight : 114 g/mol
- Expansion Ratio : 247 at 1 atm and 60 °F (15.6 °C) (Liquid to Gas)
- Liquid Expansion Coefficient : 0.0017 at 60 °F (15.6 °C)
- Liquid Density : 1.17 g/mL at 21 °C
- Vapor Pressure : 3.4 bar (49 psig) at 21 °C
- Surface Tension : 8.95 mN / m
- Solubility in Water : 373 ppm at 20 °C
- Kauri-Butanol Value : 12.5
- Critical Pressure : 36.36 bar
- Specific Gravity : 3.958 at 60 °F (15.5 °C)
- Liquid Viscosity : 0.20 cP at 25 °C
- Boiling Point/Range : -19 °C at 1 atm
- Critical Temperature : 109.4 °C
- Flammable Range : Non-Flammable (ASTM E-681 / ISO 10156)
- Ozone Depletion Potential : 0
- Global Warming Potential : <1
- Other Notes : VOC Status - Exempt, Dipole Moment - 1.44 debye, Dielectric Strength (Vapor) - 0.12 kV/mil, Melting Point - -156 °C
Case Study
Name
Description
File Size
Date
Size
Eliminating Greenhouse Gas Emissions One Breath at a Time
PDF 1.31 MB
5/13/2022
1.31 MB
Application Note
Name
Description
File Size
Date
Size
Solstice Air for Inhaled Applications - May 2022
PDF 1.32 MB
5/12/2022
1.32 MB
Brochure
Name
Description
File Size
Date
Size
Data Sheet
Name
Description
File Size
Date
Size
Name
Description
File Size
Date
Size
Eliminating Greenhouse Gas Emissions One Breath at a Time
1.31 MB
5/13/2022
1.31 MB
Solstice Air for Inhaled Applications - May 2022
1.32 MB
5/12/2022
1.32 MB