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. Download for free our refrigerant system simulation tool which makes it easier than ever to select the right refrigerant. Download for free our PT Chart Refrigerants app for iOS and Android for further information.
Download TDS (613 KB) | Download MSDS

General Information

Item Specification
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 (g/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
Download TDS (613 KB) | Download MSDS