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Properties of icosamethylnonasiloxane

Thermophysical properties for icosamethylnonasiloxane (CAS: 2652-13-3). Use the selector below to view properties in different unit systems.

Calculation Conditions

The following state-dependent properties were calculated at these standard conditions.

Temperature

25 °C

Pressure

1.01325 bar

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Identification

  • Atoms
    C: 20, H: 60, O: 8, Si: 9
  • CAS
    2652-13-3
  • Formula
    C20H60O8Si9
  • ID
    2652-13-3
  • InChI
    C20H60O8Si9/c1-29(2,3)21-31(7,8)23-33(11,12)25-35(15,16)27-37(19,20)28-36(17,18)26-34(13,14)24-32(9,10)22-30(4,5)6/h1-20H3
  • InChI Key
    XVNZQBSRKFXKSM-UHFFFAOYSA-N
  • IUPAC Name
    bis[[[[dimethyl(trimethylsilyloxy)silyl]oxy-dimethyl-silyl]oxy-dimethyl-silyl]oxy]-dimethyl-silane
  • Molecular Weight (kg)
    681.455
  • Phase
    l
  • PubChem ID
    7.5858e+4
  • SMILES
    C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C
  • Synonyms

Physical Properties

  • Acentric factor
    0.584022
  • Critical pressure (bar)
    5.7
  • Critical temperature (°C)
    425.35
  • Critical volume (m³/kmol)
    2.524
  • Dipole moment
  • Melting temperature (°C)
    -273.15
  • Normal boiling temperature (°C)
    307.5

State-dependent Properties

  • API gravity
    34.6788
  • Compressibility factor
    0.032928
  • Density (kg/m³)
    845.9
  • Dynamic viscosity (cP)
    0.46697
  • Enthalpy of vaporization (mass) (kJ)
    97.4877
  • Enthalpy of vaporization (molar) (kJ/kmol)
    6.6434e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -5.9861e-7
  • Kinematic viscosity
    5.5204e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    1103.74
  • Molar volume (m³/kmol)
    0.805597
  • Parachor
    2.7831e-4
  • Poynting correction factor
    1.03348
  • Prandtl number
    6.30996
  • Saturation pressure (bar)
    5.4557e-8
  • Saturation temperature (°C)
    307.593
  • Solubility parameter
    8909.98
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.846733
  • Specific heat capacity (kJ/kg·K)
    1.61968
  • Surface tension
    0.0124587
  • Thermal conductivity
    0.119864
  • Thermal diffusivity
    8.7487e-8

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    146.509
  • Lower flammability limit
    0.00370221
  • Upper flammability limit
    0.0235595

Environmental Properties

  • Global warming potential
  • Ozone depletion potential