octamethylcyclotetrasiloxane  Thermodynamic & Transport Properties (Based on Venus model)
CAS number
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Pure/Mixture
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Chemical Formula
Synonym D4 ,Octamethylcyclotetrasiloxane(D4);Dimethylcyclosiloxane;Cyclotetrasiloxane,octamethyl- (8CI,9CI);Abil K 4;Cyclic dimethylsiloxane tetramer;D 4;DC 244;DC 344;DC 5258;DWQ 110;DWQ 120;Dabco DC 5258;Dow Corning 244;Dow Corning244 Fluid;Dow Corning 344;KF 994;LS 8620;Mirasil CM 4;NSC 345674;NUCSilicone VS 7207;
Molecular Weight
Triple Point Temperature Triple Point Temperature
Normal Boiling Point Normal boiling point
Critical Temperature Critical Temperature
Critical Pressure>Critical Pressuresure
Critical Density
Acentric FactorAcentric Factor
Dipole MomentDipole Moment
octamethylcyclotetrasiloxane : Introduction
Octamethylcyclotetrasiloxane, also called D4, is an organosilicon compound with the formula [(CH3)2SiO]4. lt is a colorless viscous liquid. It is a common cyclomethicone. Like other cyclomethicones, it is slightly volatile. It has attracted scrutiny because it is pervasive in the environment.
Single Value Table
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Acceptable Range ： < T <
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< P <
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Specific Entropy=
Internal Energy=
Reference
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octamethylcyclotetrasiloxane :Thermodynamic & Transport Properties Calculated Result
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absolute pressure & gauge pressurePressure=
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Saturated Vapor Pressure, Boiling Point(dew point), Latent Heat of Vaporization are saturated properties, just enter One parameter to calculate them!
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latent heat of vaporizationVaporization Latent Heat=
Constant Pressure Specific HeatSpecific Heat(Cp)=
Specific Heat(Cv)=
Adiabatic Exponent Cp/Cv=
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Joule-Thomson Coefficient Joule-Thomson Coefficient =
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thermal diffusivity Thermal Diffusivity=
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Dynamic ViscosityDynamic Viscosity =
Surface TensionSurface Tension =
Prandtl Number Prandtl Number=
Relative Dielectric ConstantRelative Dielectric Constant =

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