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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
Solstice Air Brochure
PDF 1.32 MB
5/2/2022
1.32 MB
Data Sheet
Name
Description
File Size
Date
Size
Solstice Air Technical Bulletin
PDF 581.74 KB
5/2/2022
581.74 KB
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
Solstice Air Brochure
1.32 MB
5/2/2022
1.32 MB
Solstice Air Technical Bulletin
581.74 KB
5/2/2022
581.74 KB