The physical and chemical material constants

The molecular formula SF4

English name Sulphur tetrafluoride;Sulfur tetrafluoride

National standard number 23019

CAS number 7783-60-0

Molecular weight 108.05 Boiling point -38°Cmelting point -124°C

Density Relative density (water=1)1.95 (liquid)2.35( solid);relative density(air=1)3.7

Specific volume (21.1°C, 101.325kPa):0.2247m3/kg

Critical temperature 90.9°C

Critical pressure 6342.9kPa

Gasification hot (-40.4°C, 101.325kPa): 200.72 kJ/kg

Specific heat capacity(gas, 25°C): Cp=707.57 J/(kg.k)

Vapour tension (-100°C): 0.9kPa

(-60°C): 32kPa

(21.1°C): 1067kPa

Surface tension(232.75K): 19.85mN/m

Appearance and character gas of colorless and pungent smell, in 600 ° c is still very stable, soluble in benzene.

Stability: stable

Risk Label 6 (toxic gas)

Main application: fluorinating agent

2, Product quality indicators: SF4 contents(%)≥99