R450A Solstice® N13

R-450A (Solstice® N13)

Low GWP (605) A1 safety class alternative to R-134a for use in medium temperature refrigeration.

Features and Benefits

  • Low GWP – Long term sustainable and compliant with F-Gas legislation.
  • Similar cooling performance to R-134a – System design similar to R-134a.

Packaging and Supply

  • Climalife supply R-450A in 12kg or 60kg returnable cylinders.
  • Conforms to AHRI 700-2016 specifications.

Why Choose Climalife?

Climalife are a key player in the distribution of refrigerants and other climate control products, with a nationwide distribution network and product knowledge that is second to none.

How does R-450A compare to R-134a?

R-450A has slightly lower cooling performance to R-134a with a similar energy efficiency to R-134a.

Full theoretical performance comparisons at customer specified conditions are available from Climalife on request.




HFC-134a/HFO-1234ze(E) - 42/58% by mass

Chemical Formula


CF3CH2F/CHF=CHCF3 (trans)

Molecular Mass


Boiling Point (at 1 Atmosphere)


Dew Point (at 1 Atmosphere)


Saturated Liquid Density at 25°C

1177.3 kg/m³

Saturated Vapour Density at 1.013bar

5.521 kg/m³

Saturated Liquid Pressure at 25°C

5.900 bar

Saturated Liquid Pressure at 50°C

11.691 bar

Critical Temperature


Critical Pressure

38.224 bar

Critical Density

492.4 kg/m³

Critical Volume

0.00203 m³/kg

Latent Heat of vapourisation at 1.013bar

204.2 kJ/kg

Thermal Conductivity of Liquid at 25°C

76.6 mW/(m.K)

Thermal Conductivity of Vapour at 25°C & 1.013bar

13.7 mW/(m.K)

Surface tension at 25°C

8.39 mN/m

Viscosity of Liquid at 25°C

0.189 mPa.s

Viscosity of Vapour at 25°C & 1.013bar

0.012 mPa.s

Specific heat of liquid at 25°C

1.403 kJ/(kg.K)

Specific heat of vapour at 25°C and 1.013bar

0.8732 kJ/(kg.K)

Cp/Cv ratio at 25° and 1.013 bar


Lower Fammability Limit (LFL) in air (EN 378)


Flash Point


ISO 817 / ASHRAE 34 Safety Classification


PED Fluid Group


Ozone Depletion Potential (ODP)


Global Warming Potential (GWP) IPCC AR4/IPCC AR5


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