R22 is an HCFC refrigerant used for residential and commercial air conditioning and for medium- and low-temperature commercial refrigeration applications, including: food service, supermarket display cases, food storage and processing, and transport refrigeration systems.

1. Property of chloride: 
CAS No.: 75-45-6 
Chemical Formula: CHCIF2 
Olecular Weight: 85.47 
Boiling Point, ° C; -40.8 
Critical Temperature, ° C, ° C96.2 
Critical Pressure, Mpa 4.99 
Specific Heat of Liquid, 30° C, [KJ/(kg° C)] 0.31 
ODP: 0.034 
GWP: 0.17 

2. Quality standard: Purity, %; 99.9 
Moisture, PPm; 10 
Acidity, PPm; 0.1 
Vapor Residue, PPm; 100 
Appearance Colorless, No turbid 
Odor, No Strange Stench