You could have downloaded SecCool 1.33 from our software library for free. This free software is a product of DESIK. IPU, Refrigeration and Energy Engineering. The software is categorized as Education Tools.
From the developer:
SecCool is a program for calculating, comparing and plotting thermophysical properties of secondary refrigerants.
SecCool is a package of programs consisting of three parts:
-SecCool Properties. The main program
-SecCool Datafit. Program for adding new secondary refrigerants to the package
-SecCool API. Two dll’s which can be used in your own programs
You may want to check out more software, such as SRIM, StatPlus or EarthBrowser, which might be similar to SecCool.