Solstice® N40 (R-448A)

Zeotropic blend designed to serve as a replacement for R-404A in supermarket refrigeration retrofits or new systems.

Excellent low-GWP, highly energy efficient and non-flammable refrigerant for low and medium temperature in commercial refrigeration: supermarket systems, vending machines (plug-ins) and other applications.

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Download TDS (613 KB) | Download MSDS

General Information

Item Specification
ASHRAE # R-448A
Class HFC / HFO
Refrigerant Type Zeotropic blend
Typical Lubricant POE (polyol ester) Oil
Replaces R-22, R-404A

Physical Properties

Property Value
Chemical Notation 26% R-32 / 26% R-125 / 21% R-134a / 7% R-1234ze / 20% R-1234yf
Critical Temperature (°C) 83.7
Critical Pressure (bar) 46.6
Liquid Density (kg/m³) 0°C 1192.5
ANSIASHRAE Standard 36-1992 Safety Group Classification A1
Relative Molar Mass (kg/mol) 189.9
Vapour Density (kg/m³) 25°C 1.553
GWP 1273
ODP Non-ozone depleting
REACH Registered
ATEL/ODL (kg/m³) 0.39
Practical Limit (kg/m³) 0.39
Low Flammability Level Non flammable
Download TDS (613 KB) | Download MSDS