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Properties of dodecasiloxane, hexacosamethyl-

Thermophysical properties for dodecasiloxane, hexacosamethyl- (CAS: 2471-08-1). 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: 26, H: 78, O: 11, Si: 12
  • CAS
    2471-08-1
  • Formula
    C26H78O11Si12
  • ID
    2471-08-1
  • InChI
    C26H78O11Si12/c1-38(2,3)27-40(7,8)29-42(11,12)31-44(15,16)33-46(19,20)35-48(23,24)37-49(25,26)36-47(21,22)34-45(17,18)32-43(13,14)30-41(9,10)28-39(4,5)6/h1-26H3
  • InChI Key
    CJRWALLMSORFIV-UHFFFAOYSA-N
  • IUPAC Name
    [dimethyl(trimethylsilyloxy)silyl]oxy-[[[[[[[[dimethyl(trimethylsilyloxy)silyl]oxy-dimethyl-silyl]oxy-dimethyl-silyl]oxy-dimethyl-silyl]oxy-dimethyl-silyl]oxy-dimethyl-silyl]oxy-dimethyl-silyl]oxy-dimethyl-silyl]oxy-dimethyl-silane
  • Molecular Weight (kg)
    903.917
  • Phase
  • PubChem ID
    1.9830e+7
  • 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)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C
  • Synonyms

Physical Properties

  • Acentric factor
  • Critical pressure (bar)
    4.7
  • Critical temperature (°C)
    478.15
  • Critical volume (m³/kmol)
    3.27
  • Dipole moment
  • Melting temperature (°C)
    -273.15
  • Normal boiling temperature (°C)
    -273.15

State-dependent Properties

  • API gravity
    25.2433
  • Compressibility factor
  • Density (kg/m³)
  • Dynamic viscosity (cP)
    0
  • Enthalpy of vaporization (mass) (kJ)
    0
  • Enthalpy of vaporization (molar) (kJ/kmol)
  • Joule–Thomson coefficient
  • Kinematic viscosity
  • Molar enthalpy (kJ/kmol)
  • Molar heat capacity (kJ/(kmol·K))
  • Molar volume (m³/kmol)
    0
  • Parachor
  • Poynting correction factor
  • Prandtl number
  • Saturation pressure (bar)
    0
  • Solubility parameter
  • Specific gravity
  • Specific heat capacity (kJ/kg·K)
    0
  • Surface tension
  • Thermal conductivity
  • Thermal diffusivity

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    182.35
  • Lower flammability limit
    0.00287356
  • Upper flammability limit
    0.0182863

Environmental Properties

  • Global warming potential
  • Ozone depletion potential

Failed Properties:

  • Gibbs free energy (kJ/kmol)Failed
  • Molar entropy (kJ/(kmol·K))Failed
  • Saturation temperature (°C)Failed
  • Specific enthalpy (kJ)Failed
  • Specific entropy (kJ/kg·K)Failed