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Acetylene

AIR PHYSICAL PROPERTIES
  US Units SI Units
Chemical formula Air Air
Molecular weight 28.975 28.975
Density of the gas at at 70°F (21.1°C) and 1atm 0.07493 lb/ft3 1.2000 kg/m3
Specific gravity of the gas 32F (0C)and 1 atm (air=1) 0.0906 0.0906
Specific volume of the gas 70F (21.C) and
1 atm (air=1)
1 1
Density of the liquid at boiling point and 1atm 54.56 lb/ft3 874.0 kg/m3
Boiling point at 1 atm -317.8F -194.3C
Freezing point at 1atm -357.2F -216.2C
Critical temperature -221.1F -140.6C
Critical pressure 547psia 3771 KPa, abs
Critical Density 21.9 lb/ft3 351.6 kg/m3
Solubility in water vol/vol at 32F(15C) 0.0292 0.0292

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