Mixed solvent cooling baths (% by volume) [1] % Glycol in EtOH Temp (°C) % H2O in MeOH Temp (°C) 0% -78 0% −97.6 10% -76 14% -128 20% -72 20% N/A 30% -66 30% −72 40% -60 40% −64 50% -52 50% −47 60% -41 60% −36 70% -32 70% −20 80% -28 80% −12.5 90% -21 90% −5.5 100% -17 100% 0