List of cooling baths explained

This article contains a list of cooling bath mixtures.

Table

Cooling Agent	Organic Solvent or Inorganic Salt	T (°C)	Notes
Dry ice	p-Xylene	+13	^[1]
Dry ice	p-Dioxane	+12
Dry ice	Cyclohexane	+6
Dry ice	Benzene	+5
Dry ice	Formamide	+2
Ice	Water	0
Ice	Ammonium chloride	-5	0.3 to 1 ratio of salt to ice.
Liquid N2	Aniline	-6
Ice	Sodium thiosulfate pentahydrate	-8	1.1 to 1 ratio of salt to ice.
Ice	Calcium chloride hexahydrate	-10	1 to 2.5 ratio of salt to ice.
Liquid N2	Ethylene glycol	-10
Ice	Acetone	-10	1 to 1 ratio of acetone to ice.
Liquid N2	Cycloheptane	-12
Dry ice	Benzyl alcohol	-15
Dry ice	Ethylene glycol	-15
Ice	Sodium chloride	-20	1 to 3 ratio of salt to ice.
Dry ice	Tetrachloroethylene	-22
Dry ice	Carbon Tetrachloride	-23
Dry ice	1,3-Dichlorobenzene	-25
Dry ice	o-Xylene	-29
Liquid N2	Bromobenzene	-30
Dry ice	m-Toluidine	-32
Dry ice	3-Heptanone	-38
Ice	Calcium chloride hexahydrate	-40	1 to 0.8 ratio of salt to ice.
Dry ice	Acetonitrile	-41
Dry ice	Pyridine	-42
Dry ice	Cyclohexanone	-46
Dry ice	m-Xylene	-47
Dry ice	Diethyl carbitol	-52
Dry ice	n-Octane	-56
Dry ice	Diisopropyl ether	-60
Dry ice	Chloroform	-61
Liquid N2	Chloroform	-63	^[2]
Dry ice	Ethanol	-72	Note: without the addition of ethylene glycol, temp is -78 °C.
Dry ice	Trichloroethylene	-73
Dry ice	Isopropyl alcohol	-77
Liquid N2	Butyl acetate	-77
Dry ice	Acetone	-78
Liquid N2	Isoamyl acetate	-79
Dry ice	Sulfur dioxide	-82
Liquid N2	Ethyl Acetate	-84
Liquid N2	n-Butanol	-89
Liquid N2	Hexane	-94
Liquid N2	Acetone	-94
Liquid N2	Toluene	-95
Liquid N2	Methanol	-98
Liquid N2	Cyclohexene	-104
Liquid N2	Isooctane	-107
Liquid N2	Ethyl iodide	-109
Liquid N2	Carbon disulfide	-110
Liquid N2	Butyl bromide	-112
Liquid N2	Ethanol	-116
Liquid N2	Ethyl bromide	-119
Liquid N2	Acetaldehyde	-124
Liquid N2	Methylcyclohexane	-126
Liquid N2	n-Propanol	-127
Liquid N2	n-Pentane	-131
Liquid N2	1,5-Hexadiene	-141
Liquid N2	Isopentane	-160
Liquid N2	(none)	-196
Liquid He	(none)	-269

References

1. Web site: Cooling baths. 2013-10-02.
2. Web site: Lab freezing bath temperatures - Larkinweb.co.uk.

• Lee . Do W. . Jensen . Craig M. . 2000 . Dry-Ice Bath Based on Ethylene Glycol Mixtures . . 77 . 5 . 629 . 10.1021/ed077p629 .
• Phipps . Alan M. . Hume . David N. . 1968 . General purpose low temperature dry-ice baths . . 45 . 10 . 664 . 10.1021/ed045p664 . 1968JChEd..45..664P .
• Rondeau . Roger E. . 1966 . Slush baths . . 11 . 124 . 10.1021/je60028a037 .