Solstice® yf (R-1234yf)

Near drop-in, F-gas regulation compliant replacement for R-134A in Mobile Air/Conditioning systems Use: MAC, small stationary (future)
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General Information

Item Specification
ASHRAE # R-1234yf
Refrigerant Type Molecule
Typical Lubricant POE
Replaces R-134A
Notes Starting in January 2011, all new vehicle types must have an air conditioning refrigerant with a global warming potential (GWP) below 150. From 2017 on, this will apply to all new vehicles. This is based on the MAC Directive (2006/40/EG), passed in July 2006. Solstice® yf refrigerant can be used in in Europe, Japan, Korea and the U.S. Under the ECE Agreement, Solstice® yf refrigerant is also approved in Germany. APPROVALS: Solstice® yf refrigerant is registered under the EU chemical regulation REACH, and is included in the U.S. E.P.A.’s SNAP Program (Significant New Alternatives Policy). With this program, the EPA evaluates new and improved substances that replace ozone-depleting substances.

Physical Properties

Property Value
Chemical Notation CF3CF=CH2 (2,3,3,3-tetrafluoroprop-1-ene)
Critical Temperature (°C) 94.7
Critical Pressure (bar) 33.82
Liquid Density (kg/m³) 0°C 1091.91
ANSIASHRAE Standard 36-1992 Safety Group Classification A2L
Relative Molar Mass (g/mol) 114.04
Vapour Density (kg/m³) 25°C 37.92
GWP <1
ODP Non-ozone depleting
REACH Approved
ATEL/ODL (kg/m³) 0.47
Practical Limit (kg/m³) 0.058
AIT (°C) 405
Download TDS (191 KB)