Schwefeltetrafluorid SF4 GAS

The physical and chemical material constants The molecular formula SF4 English name Sulphur tetrafluoride;Sulfur tetrafluorideNational standard number 23019CAS number 7783-60-0Molecular weight 108.05 Boiling point -38°Cmelting point -124°CDensity Relative density (water=1)1.95 (liquid)2.35( solid);relative density(air=1)3.7Specific volume (21.1°C,101.325kPa):0.2247m3/kgCritical temperature 90.9°CCritical pressure 6342.9kPaGasification hot (-40.4°C,101.325kPa): 200.72 kJ/kgSpecific heat capacity(gas, 25°C): Cp=707.57 J/(kg.k)Vapour tension (-100°C): 0.9kPa (-60°C): 32kPa (21.1°C): 1067kPaSurface tension(232.75K): 19.85mN/mAppearance and character gas of colorless and pungent smell, in 600 ° c is still very stable, soluble in benzene.Stability: stableRisk Label 6 (toxic gas)Main application: fluorinating agent2, Product quality indicators: SF4 contents(%)≥95