CHEMICAL FORMULA: CHFCl2
TECHNICAL REQUIREMENTS: 2412-138-05807960-2001
APPEARANCE, SAFETY REQUIREMENTS
R 21 is a colorless gas, liquefied under pressure, non-inflammable, low toxic, with a slight odor of chloroform. ODP = 0.04.
R21 is used as a refrigerant to produce the temperature about 0°C, and as a component of refrigerant blends, propellants.
|Mass content of fluorodichloromethane (%) min|
|Mass content of chromatographically determined impurities (carbon tetrachloride, difluorodichloromethane, fluorotrichloromethane, chloroform, etc (%) max|
|Mass content of non-volatile residue (%) max|
|Mass content of water (%) max|
Color of indicator must not change
R21 is packed in vessels designed for minimum working overpressure of 1.27 MPa. Filling ratio is maximum 1.2 kg per 1dm3of the vessel.
Guaranteed shelf life is 1 year from the date of manufacture.