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Properties of hexadecamethylheptasiloxane

Thermophysical properties for hexadecamethylheptasiloxane (CAS: 541-01-5). 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: 16, H: 48, O: 6, Si: 7
  • CAS
    541-01-5
  • Formula
    C16H48O6Si7
  • ID
    541-01-5
  • InChI
    C16H48O6Si7/c1-23(2,3)17-25(7,8)19-27(11,12)21-29(15,16)22-28(13,14)20-26(9,10)18-24(4,5)6/h1-16H3
  • InChI Key
    NFVSFLUJRHRSJG-UHFFFAOYSA-N
  • IUPAC Name
    bis[[[dimethyl(trimethylsilyloxy)silyl]oxy-dimethylsilyl]oxy]-dimethylsilane
  • Molecular Weight (kg)
    533.147
  • Phase
    l
  • PubChem ID
    1.0912e+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)C
  • Synonyms

Physical Properties

  • Acentric factor
    0.8827
  • Critical pressure (bar)
    7
  • Critical temperature (°C)
    398.35
  • Critical volume (m³/kmol)
    2.051
  • Dipole moment
  • Melting temperature (°C)
    -78
  • Normal boiling temperature (°C)
    286.8

State-dependent Properties

  • API gravity
    39.1643
  • Compressibility factor
    0.0264512
  • Density (kg/m³)
    823.853
  • Dynamic viscosity (cP)
    0.5831
  • Enthalpy of vaporization (mass) (kJ)
    150.572
  • Enthalpy of vaporization (molar) (kJ/kmol)
    8.0277e+4
  • Gibbs free energy (kJ/kmol)
    0
  • Joule–Thomson coefficient
    -6.1326e-7
  • Kinematic viscosity
    7.0777e-7
  • Molar enthalpy (kJ/kmol)
    0
  • Molar entropy (kJ/(kmol·K))
    0
  • Molar heat capacity (kJ/(kmol·K))
    872.507
  • Molar volume (m³/kmol)
    0.647139
  • Parachor
    2.4215e-4
  • Poynting correction factor
    1.0268
  • Prandtl number
    8.61265
  • Saturation pressure (bar)
    5.6880e-6
  • Saturation temperature (°C)
    287.213
  • Solubility parameter
    1.0964e+4
  • Specific enthalpy (kJ)
    0
  • Specific entropy (kJ/kg·K)
    0
  • Specific gravity
    0.824664
  • Specific heat capacity (kJ/kg·K)
    1.63652
  • Surface tension
    0.01761
  • Thermal conductivity
    0.110797
  • Thermal diffusivity
    8.2178e-8

Safety Properties

  • Autoignition temperature (°C)
    -273.15
  • Flash point temperature (°C)
    111.65
  • Lower flammability limit
    0.00458333
  • Upper flammability limit
    0.0291667

Environmental Properties

  • Global warming potential
  • Ozone depletion potential