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general properties
 
Identity
Physical and chemical properties
 

Identity

Chemical structure :

  F   F  
  \ /  
F - S - F
  /   \  
  F   F  

Chemical Formula :

SF6 

Common name :

sulphur hexafluoride

Physical and chemical properties

Physical and chemical properties of sulphur hexafluoride
Appearance : pressurized liquefied gas
Color/Colour : colorless/colourless
Odor/Odour : odorless/odourless

Change of state

 
Melting point/range : -50,8°C
Boiling point/range (1013 mbars) : -63,8°C
Remark : Sublimation
Flash point : Not applicable
Flammability : Non-flammable
Auto-flammability : Not applicable
Vapor/vapour pressure : = 21,4 bar temperature 20°C
= 37,1 bar temperature 45°C
Density :
Specific density :
= 1,56 temperature 0°C
= 6,16 (gaseous form)
Vapour/vapour density (air = 1) : = 5,1

Solubility

 
Slightly soluble in : Water : 40 mg/l - Temperature 20°C
Remark: Atmospheric pressive
Soluble in : Alcohol and ether
pH : Neutral (aqueous extract)
Partition coefficient P
(n-octanol/water) :
log P o/w=1,68
Decomposition temperature : = 200°C
Remark: moist air
= 800°C
Remark: dry air
Danger of explosion : Not applicable
Oxidizing properties : Not applicable