Refrigerant R22

CLASSIFICATION

Refrigerant R22

Categories	HCFC
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Brand	FOTECH
Model	R22
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Update Time	2020-06-01

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Detail Information

Refrigerant R22

R22 has been the dominant refrigerant in residential and commercial air conditioning and some very large centrifugal chillers for air conditioning and industrial process cooling. It has also been used in refrigeration since the phase-out of CFCs, both as a pure refrigerant and in blends. R-22 is subject to reduced production and restriction in new equipment since 2010, and production ends in 2020. The use of R-22 is allowed until the R-22 supply has been depleted.

R22 is a colorless gas under ordinary temperature and a colorless & transparent liquid under the pressure of itself,non-toxic & inflammable with the excellent thermo-stability and chemicalstability, unable to erode metals and it is a refrigerant for low temperature to ﹣80℃ below. Used in reciprocating compressor, as refrigerant in industrial, commercial and household air-condition system; Also used to produce insecticide and aerosol for spraying paint; To produce extinguishing agent1211; As the basic material to produce a wide variety of fluorinated macromolecular compounds.

Properties：

	Unit	HCFC-22
Chemical formula		CHClF2
Molecular weight	g/mol	86.5
Melting point	℃	-146
Boiling point	℃	-40.8
Specific gravity（25℃ liquid）	g/cm3	1.194
Vapor pressure（25℃）	MPa	1.04
Critical temperature	℃	96
Critical pressure	MPa	4.98
Critical density	g/cm3	1.221
Vapor heat at boiling point	KJ/kg	233.5
Water solubility（25℃）	W%	0.30
Specific heat（25℃ liquid）	KJ/kg·k	1.400
ODP		0.05
GWP		0.03

Quality Specification：

Index	Quality Performance
Appearance	Colorless, not turbid
Odor	No strange stench
Purity %≥	99.9%
Moisture %≤	0.001
Acidity (as HCl) %≤	0.00001
Evaporation residue %≤	0.01
Chlorides (Cl-) test %≤	0.0003
No condensable gas (V/V) %≤	1.5