R 21

[Shaukat]

Hello,
Any Body Have Details / Properties Of R21?

[Chunk]

R21

Dichlorofluoromethane

Physical state at 20 °C : Liquefied gas.
Colour : Colourless.
Odo(u)r : Ethereal. Poor warning properties at low concentrations.
Molecular weight : 103
Melting point [°C] : -135
Boiling point [°C] : 8.9
Critical temperature [°C] : 178
Vapour pressure, 20°C : 1.5 bar
Relative density, gas (air=1) : 3.6
Relative density, liquid (water=1) : 1.4
Solubility in water [mg/l] : 9420
Flammability range [vol% in air] : Non flammable.
Other data : Gas/vapour heavier than air. May accumulate in confined spaces, particularly at or
below ground level.

[Shaukat]

dear friend,
thanx very much