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Propellant

Solstice® Air

A climate-friendly alternative to HFCs and HCFCs, our Solstice® Air offers performance similar to HFC-134a, and is a near drop-in replacement with only minimal changes required to formulations and equipment.

Solstice Air is a breakthrough for metered dose inhalers (MDI). A nonflammable alternative to hydrocarbons and high 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.

General Information

  • Brand
    • Solstice®

Physical Properties

  • Heat of Gas
    • 0.224 Cp at 15.6 °C, cal/g
    • 0.224 Cp at 60 °F, BTU/lb
  • Surface Tension
    • 8.95
  • Solubility in Water
    • 0.037 at 70 °F (21.1 °C)
  • Solubility of Water
    • 0.022 at 70 °F (21.1 °C)
  • Molecular Weight
    • 114
  • Kauri-Butanol Value
    • 12.5
  • 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
    • 9.96 lb/gal at 60 °F
    • 1.17 grams/cc at 21.1 °C
  • Vapor Pressure
    • 89.9 psig at 100 °F
    • 49.5 psig at 70 °F
    • 3.4 bar g at 21.1 °C
    • 6.2 bar g at 37.8 °C
    • 10.1 bar g at 54.4 °C
    • 147 psig at 130 °F
  • Specific Heat of Liquid
    • 0.323 BTU/lb at 60 °F, at Cp
    • 0.323 cal/g at 15.6 °C, at Cp
  • Vapor Volume
    • 0.25 per liter of liquid at 16.6 °C, m3
    • 33.02 per gal of liquid at 60 °F, ft3
  • Heat of Vaporization
    • 195 KJ/g at BP
    • 84 BTU/lb at BP
  • Specific Gravity
    • 3.958 at 60 °F (15.5 °C)
  • Theoretical Heat of Combustion
    • 10.1 KJ/g at 70 °F (21.1 °C)
    • 4359 BTU/lb at 70 °F (21.1 °C)
  • Liquid Viscosity
    • 0.171 cP at 100 °F (37.8 °C)

Temperature

  • Boiling Point/Range
    • -2.2 °F at 1 ATM
    • -19 °C at 1 ATM
  • Flashpoint
    • Non-Flammable
  • Autoignition Temperature
    • 368 °C
    • 694 °F

General Information

  • Brand
    • Solstice®

Physical Properties

  • Heat of Gas
    • 0.224 Cp at 15.6 °C, cal/g
    • 0.224 Cp at 60 °F, BTU/lb
  • Surface Tension
    • 8.95
  • Solubility in Water
    • 0.037 at 70 °F (21.1 °C)
  • Solubility of Water
    • 0.022 at 70 °F (21.1 °C)
  • Molecular Weight
    • 114
  • Kauri-Butanol Value
    • 12.5
  • 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
    • 9.96 lb/gal at 60 °F
    • 1.17 grams/cc at 21.1 °C
  • Vapor Pressure
    • 89.9 psig at 100 °F
    • 49.5 psig at 70 °F
    • 3.4 bar g at 21.1 °C
    • 6.2 bar g at 37.8 °C
    • 10.1 bar g at 54.4 °C
    • 147 psig at 130 °F
  • Specific Heat of Liquid
    • 0.323 BTU/lb at 60 °F, at Cp
    • 0.323 cal/g at 15.6 °C, at Cp
  • Vapor Volume
    • 0.25 per liter of liquid at 16.6 °C, m3
    • 33.02 per gal of liquid at 60 °F, ft3
  • Heat of Vaporization
    • 195 KJ/g at BP
    • 84 BTU/lb at BP
  • Specific Gravity
    • 3.958 at 60 °F (15.5 °C)
  • Theoretical Heat of Combustion
    • 10.1 KJ/g at 70 °F (21.1 °C)
    • 4359 BTU/lb at 70 °F (21.1 °C)
  • Liquid Viscosity
    • 0.171 cP at 100 °F (37.8 °C)

Temperature

  • Boiling Point/Range
    • -2.2 °F at 1 ATM
    • -19 °C at 1 ATM
  • Flashpoint
    • Non-Flammable
  • Autoignition Temperature
    • 368 °C
    • 694 °F
  • Brand : Solstice®
  • Heat of Gas : 0.224 Cp at 15.6 °C, cal/g|0.224 Cp at 60 °F, BTU/lb
  • Surface Tension : 8.95
  • Solubility in Water : 0.037 at 70 °F (21.1 °C)
  • Solubility of Water : 0.022 at 70 °F (21.1 °C)
  • Molecular Weight : 114
  • Kauri-Butanol Value : 12.5
  • 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 : 9.96 lb/gal at 60 °F|1.17 grams/cc at 21.1 °C
  • Vapor Pressure : 89.9 psig at 100 °F|49.5 psig at 70 °F|3.4 bar g at 21.1 °C|6.2 bar g at 37.8 °C|10.1 bar g at 54.4 °C|147 psig at 130 °F
  • Specific Heat of Liquid : 0.323 BTU/lb at 60 °F, at Cp|0.323 cal/g at 15.6 °C, at Cp
  • Vapor Volume : 0.25 per liter of liquid at 16.6 °C, m3|33.02 per gal of liquid at 60 °F, ft3
  • Heat of Vaporization : 195 KJ/g at BP|84 BTU/lb at BP
  • Specific Gravity : 3.958 at 60 °F (15.5 °C)
  • Theoretical Heat of Combustion : 10.1 KJ/g at 70 °F (21.1 °C)|4359 BTU/lb at 70 °F (21.1 °C)
  • Liquid Viscosity : 0.171 cP at 100 °F (37.8 °C)
  • Boiling Point/Range : -2.2 °F at 1 ATM|-19 °C at 1 ATM
  • Flashpoint : Non-Flammable
  • Autoignition Temperature : 368 °C|694 °F