Solstice® zd

Solstice® zd is a non-flammable, ultra-low GWP replacement for R-123 for low pressure centrifugal chillers. It has a GWP of 1 which is 99.9% lower than R-245fa, making it an environmentally preferable alternative in applications such as Organic Rankine cycle (ORC) and high temperature heat pumps.

Related TDS/SDS

General Information

  • ASHRAE #R-1233zd
  • ClassHydro-fluoro-olefin (HFO)
  • Refrigerant TypePure fluid
  • Typical LubricantMineral Oil
  • SubstitutesR-123
  • Glide0°F
  • GWP1

Physical Properties

  • Chemical NameTrans-1-chloro-3,3,3-trifluoropropene
  • Chemical Notation(E)CF3-CH=CCIH
  • Molecular Weight (lbm/lbmol)130.5
  • Boiling Point @ 1 Atm, (°F)65
  • Critical Temperature (°F) (ASTM D-1321)330
  • Critical Pressure* (psia)518
  • Saturated Liquid Density @ 86°F, (lb/ft3)78
  • Specific Heat of Liquid @ 86°F, (Btu/lb•°F)0.298
  • Specific Heat of Vapor @ Constant Pressure* (Cp), @ 86° and 1 Atm, (Btu/lb•°F)0.198
  • Flammable range, %vol. in air (Based on ASHRAE Standard 34 with Match Ignition)Non flammable
  • ANSI/ASHRAE Standard 34-1992 Safety Group ClassificationA1