Cooling Bath Temperatures

Solvent / CO2 Baths (°C)

Ethylene glycol/CO2 -15 
Carbon tetrachloride/CO2 -23 
3-Heptanone/CO2 -38 
Acetonitrile/CO2 -42 
Cyclohexanone/CO2 -46 
Diethyl carbitol/CO2 -52 
Chloroform/CO2 -61 
Carbitol acetate/CO2 -67
Acetone/CO2 -77
Sulfur dioxide/CO2 -82
Diethyl ether/CO2 -100

Solvent / N2 Baths
(°C)

p-Xylene/N2 13 
Cyclclohexane/N2
Benzene/N2
Formamide/N2 2
Aniline/N2-6 
Cycloheptane/N2 -12 
Benzonitrile/N2 -13 
o-Dichlorobenzene/N2 -18 
Tetrachloroethane/N2 -22 
Carbon tetrachloride/N2 -23 
o-Dichlorobenzene/N2 -25 
Nitromethane/N2 -29 
o-Xylene/N2 -29 
Bromobenzene/N2 -30 
Iodobenzene/N2 -31 
Thiophene/N2 -38 
Acetonitrile/N2 -41 
Pyridine/N2 -42 
Chlorobenzene/N2 -45 
m-Xylene/N2 -47 
n-Butyl amine/N2 -50 
n-Octane/N2 -56 
Chloroform/N2 -63 
Methyl iodide/N2 -66 
t-Butyl amine/N2 -68
Trichloroethylene/N2 -73

Solvent / N2 Baths 
(°C) (Continued)
 
Butyl acetate/N2 -77
Isoamyl acetate/N2 -79
Acrylonitrile/N2 -82
Ethyl acetate/N2 -84
Ethyl methyl ketone/N2 -86
Acrolein/N2 -88
Nitroethane/N2 -90
Heptane/N2 -91
Cyclopentane/N2 -93
Hexane/N2 -94
Toluene/N2 -95
Methanol/N2 -98
n-Propyl iodide/N2 -101
n-Butyl iodide/N2 -103
Cyclohexene/N2 -104
Isooctane/N2 -107
Ethyl iodide/N2 -109
Carbon disulfide/N2 -110
Butyl bromide/N2 -112
Ethyl bromide/N2 -119
Acetaldehyde/N2 -124
Methyl cyclohexane/N2 -126
n-Pentane/N2 -131
1,5-Hexadiene/N2 -141
i-Pentane/N2 -160

Portions of this information were taken from this website.
 

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