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Automotive Air-Conditioning's Leading Alternative Refrigerant, Opteon® YF, Meets the EU F-Gas Directive  
DuPont™ Opteon® YF (HFO-1234yf) readily meets the EU F-gas replacement for automotive refrigerant, offering the best balance of properties and performance that include:

  • Excellent environmental properties: ODP = 0; GWP = <1
  • Comparable to HFC-134a for refrigeration properties
  • Acceptable stability and compatibility properties
  • Mildly flammable (significantly less flammable than HFC-152a)

Opteon® DAC® Cylinder Disposal Guidelines   

Learn about Opteon for stationary applications

News Items

 HFO-1234yf is safe to use in automotive systems   Opteon® refrigerants have a Low Global Warming Potential  Opteon® YF meets the EU F-gas replacement for automotive refrigerant 
Car Researchers' Final Report on HFO-1234yf Confirm it is "Safe to use in automotive systems  DuPont Encourages European Union to Address MAC Directive Noncompliance   European Commission Vice President Tajani Reaffirms MAC Directive Must Be Enforced – No Exceptions  

Learn More About Opteon(r) YFAccess Environmental, Safety, Regulatory information regarding HFO-1234yfVisit the Press Room for News and Upcoming Industry Events related to hfo-1234yf