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Perfluorobutane
Description Perfluorobutane is a fully fluorinated, colourless, odourless gas
Cas No:   355-25-9
Synonyms :   Decafluorobutane
Applications:   Contrast Imaging Agent
     

Typical Physical Properties
(Not for Specification Purposes)
Formula C4F10
Boiling Point, oC -1.6
Molecular Weight, 238
Liquid Density, kg/l 1.517
Vapour Density, kg/l 0.0125
Vapour Pressure, mbar 3.759
Heat of Vaporisation at
Boiling Point, kJ/kg		 96.3
Specific Heat, kJ/kg oC 1.045
Specific Heat of the Vapour, J/kg oC 805
Critical Density, kg/l 0.630
Critical Temperature, oC 113.2
Critical Pressure, bar 23.23
Critical Volume, m3/kg 0.000159
Critical Compressability Factor 0.273
   
Temperature dependant properties are quoted at 25oC unless otherwise stated. Pressure dependant properties are quoted at atmospheric pressure unless otherwise stated.

Safety / Toxicology
Perfluorobutane, is essentially chemically inert and over the years has proven to be very low in toxicity. Acute toxicity of Perfluorobutane is greater than 800,000 ppm (LC50 Rats; 4 hours).

MATERIAL SAFETY DATA SHEET

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