Properties of 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane

Identification

• Atoms
  C: 8, H: 26, O: 3, Si: 4
• CAS
  16066-09-4
• Formula
  C8H26O3Si4
• ID
  16066-09-4
• InChI
  C8H26O3Si4/c1-12(10-14(3,4)5)9-13(2)11-15(6,7)8/h12-13H,1-8H3
• InChI Key
  LBPUHXCOWXUVCE-UHFFFAOYSA-N
• IUPAC Name
  trimethyl-[methyl-[methyl(trimethylsilyloxy)silyl]oxysilyl]oxysilane
• Molecular Weight (kg)
  282.632
• Phase
  l
• PubChem ID
  8.5263e+4
• SMILES
  C[SiH](O[SiH](C)O[Si](C)(C)C)O[Si](C)(C)C
• SynonymsView 11 Synonyms

Physical Properties

• Acentric factor
• Critical pressure (bar)
  0
• Critical temperature (°C)
  -273.15
• Critical volume (m³/kmol)
  0
• Dipole moment
• Melting temperature (°C)
  -273.15
• Normal boiling temperature (°C)
  170

State-dependent Properties

• Compressibility factor
• Density (kg/m³)
• Dynamic viscosity (cP)
  0
• Enthalpy of vaporization (mass) (kJ)
  0
• Enthalpy of vaporization (molar) (kJ/kmol)
• Gibbs free energy (kJ/kmol)
  0
• Joule–Thomson coefficient
• Kinematic viscosity
• Molar enthalpy (kJ/kmol)
  0
• Molar entropy (kJ/(kmol·K))
  0
• Molar heat capacity (kJ/(kmol·K))
  463.984
• Molar volume (m³/kmol)
  0
• Parachor
• Poynting correction factor
• Prandtl number
• Saturation pressure (bar)
  0
• Solubility parameter
• Specific enthalpy (kJ)
  0
• Specific entropy (kJ/kg·K)
  0
• Specific gravity
• Specific heat capacity (kJ/kg·K)
  1.64165
• Surface tension
• Thermal conductivity
• Thermal diffusivity

Safety Properties

• Autoignition temperature (°C)
  -273.15
• Flash point temperature (°C)
  -273.15
• Lower flammability limit
  0.00874682
• Upper flammability limit
  0.0556616

Environmental Properties

• Global warming potential
• Ozone depletion potential

Failed Properties:

• API gravityFailed
• Saturation temperature (°C)Failed