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DuPont Refrigerants

DuPont™ ISCEON® refrigerants

Questions about the U.S. R-22 accelerated phaseout?

» ISCEON® refrigerants solutions in the United States 
» ISCEON® refrigerants solutions in Europe 

A complete family of efficient and cost-effective, non-ozone-depleting HFC retrofit refrigerants for CFC and HCFC equipment.

  • Provides efficient, cost-effective retrofits
  • Non-ozone-depleting HFCs
  • In most cases, no change of lubricant type during retrofit is required 
  • Can be topped off during service without removing the entire charge
  • Provides required performance after retrofit
  • Lower operating temperatures and/or pressures vs. R-22

Benefits to You


  • Enables continued use of existing equipment with minimal downtime for retrofit
  • Avoids costly equipment replacement for equipment owner
  • Provides potential for improved compressor reliability and life
  • Enables accelerated transition away from ozone-depleting refrigerants
  • Facilitates compliance with environmental regulations
  • Provides opportunity to promote environmental leadership

A Complete Family of Cost-Effective Retrofit Refrigerants for Every Application


Product Replaces Application
ISCEON® MO29™ R-22 DX water chillers, DX medium- to low-temp refrigeration, DX residential and commercial air conditioning
ISCEON® 39TC® R-12 Centrifugal chillers
ISCEON® MO49Plus™  R-12 Automotive air conditioning (except in the U.S.)
R-12, HCFC containing blends
(e.g., MP39, MP66, R-409A)
DX stationary air conditioning,
DX medium-temperature refrigeration
ISCEON® MO59 R-22 DX stationary air conditioning,
DX medium-temperature refrigeration
ISCEON® MO79 R-22, R-502, HCFC-containing
Blends (e.g., HP80, HP81, R-408A)
DX medium- to low-temperature
refrigeration
ISCEON® MO89 R-13B1 Very low temperature refrigeration
ISCEON® MO99™ 
R-22 Refrigeration and air conditioning systems