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Synonyms: Perfluoro-1,4-dimethylcyclohexane

CAS Number:374-77-6

Description & Characteristics

Perfluoro-1,4-dimethylcyclohexane, C8F16 is a fully-fluorinated, odourless, colourless liquid with the following characteristics:

  • Compatibility with most construction materials
  • Excellent chemical and thermal stability
  • Non flammability
  • Practically non-toxic1
  • Applications

    Perfluoro-1,4-dimethylcyclohexane is predominantly used in tracing and tagging applications under the trade name TG p-PDMCH.

    Safety, Handling and Storage

    Although Perfluoro-1,4-dimethylcyclohexane is considered biologically and chemically inert, good laboratory practice should be observed when handling. Perfluoro-1,4-dimethylcyclohexane has an indefinite shelf life if properly stored in its original sealed container. Safety data sheets are available on request.

    Typical Physical Properties
    Boiling Point ℃ 102
    Melting Point ℃ -80
    Molecular Weight 400
    Partition Coefficient (log Kow) 6.6 (estimated)
    Density, g/l 1.838
    Liquid Thermal Conductivity mW/m/K 60
    Specific Heat, kj/kg ℃ 1.13
    Viscosity, (dynamic), mPas   2.43
    Kinematic Viscosity 1.32
    Surface Tension mN/m 16.6
    Critical Temperature, K 514.0
    Critical Temperature, ℃ 240.9
    Critical Pressure, bar 19
    Vapour Pressure  kPa 4.6
    Vapour Viscosity uPa s 13
    Vapour Density ca. 0.013 g/ml
    Relative Vapour Density (air=1) 10.0

    Temperature dependant properties are quoted at 25℃ unless otherwise stated. The above typical physical properties, in no way form or represent product specification.

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