[OT]: How much air does 6.4kg of R-22 displace in a 40m3 container at 20degC

End Game Question:-

Will it be safe and within safety limits if 6.4kg of R22 is released in
40m3 container that has vents at the top of the container?.

From random web page
      1 Kg of air has a volume of ~0.816 m³ (density ∼ 1.225 Kg/m³)

From https://www.engineeringtoolbox.com/r22-properties-d_365.html

      R22 at 20degC has vapour volume of 0.02593 m3/kg

       Therefore density is inverse of above 34kg/m3 <- seems too high, I
think I am wrong.

     Therefore 6.4kg so at 20DegC expands to ( 0.02593  x 6.4)  = *0.166m3*
<- seem to low, I am definitely wrong

Assuming  calcs are wrong  so looking elsewhere.

From https://www.agas.com/media/uk2o4u1w/r22-technical-information.pdf

    R22 Vapor Density (bp,lb./ft^ 3)  0.294 (Temperature is not stated)
   Converting to bp,lb/m3 (35 ft3 in 1m3)  10.29
   Converting to kg/m3      4.6

If 4.6kg/m3 (still seems high) is correct then 6.2kg will displace *1.3m3*
,- seem too low

Both results above (0.166m3/6.4kg and 1.3m3/6.4kg) look wrong so hoping the
list may be able to point me in the right direction.

Regards Justin
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