Thanks woodworker. I don't think it's the same stuff. CryoCool by thermo part number SCC1 . Does not evaporate, low water absorption , odorless, non toxic for refrigerated vapor trap by Thermo RVT4104 unit.
CryoCool from what I could find is only a heat transfer fluid sold in poly bottles. Best guess, mineral oil replacement to run through a chiller not a liquefied gas.
Key to my guess is the claim "does not evaporate".