Chemical Properties of Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trimethylsilyl)oxy]-

InChI

InChI=1S/C12H36O4Si5/c1-17(2,3)13-21(14-18(4,5)6,15-19(7,8)9)16-20(10,11)12/h1-12H3

InChI Key

VNRWTCZXQWOWIG-UHFFFAOYSA-N

Formula

C12H36O4Si5

SMILES

C[Si](C)(C)O[Si](O[Si](C)(C)C)(O[Si](C)(C)C)O[Si](C)(C)C

Molecular Weight¹

384.85

Other Names

• 1,1,5,5,5-hexamethyl-3,3-bis[(trimethylsilyl)oxy]trisiloxane
• Tetrakis(trimethylsiloxy)silane
• Tetrakis(trimethylsilyloxy)silane
• Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis(trimethylsiloxy)-

• ω : Acentric Factor.
• Δ_vapH : Enthalpy of vaporization at a given temperature (kJ/mol).
• IE : Ionization energy (eV).
• logP_oct/wat : Octanol/Water partition coefficient.
• P_c : Critical Pressure (kPa).
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• V_c : Critical Volume (m³/kmol).
• Z_c : Critical Compressibility.
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ω	0.6206		PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
IE	9.38	eV	Relay (1.0) Calculated Property
logPoct/wat	4.828		Crippen Calculated Property
Pc	[830.87; 1000.00]	kPa
Pc	1000.00	kPa	IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 11 Compiled value
Pc	830.87	kPa	PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
Tboil	487.77	K	Relay (1.0) Calculated Property
Tc	[622.60; 623.00]	K
Tc	623.00	K	IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 11 Compiled value
Tc	622.60	K	PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
Tfus	213.15	K	Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) Compiled value
Vc	[1.399; 1.400]	m3/kmol
Vc	1.399	m3/kmol	IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 11 Compiled value
Vc	1.400	m3/kmol	PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
Zc	0.2700000		IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 11 Compiled value

Cheméo can also estimate Enthalpy of formation at standard conditions, Enthalpy of vaporization at standard conditions, Standard Gibbs free energy of formation, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.

Temperature Dependent Properties

Similar Compounds

Find more compounds similar to Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trimethylsilyl)oxy]-.

Sources

• Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) ChEDL chemicals 1.5.2, from Bradley, J.-C.; Williams, A.; Lang, A. Jean-Claude Bradley Open Melting Point Dataset. Figshare, 2014 (CC0).
• IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 11 ChEDL chemicals 1.5.2, from Ambrose, D.; Tsonopoulos, C.; Nikitin, E. D. Vapor-Liquid Critical Properties of Elements and Compounds. 11. Organic Compounds Containing B + O; Halogens + N, + O, + O + S, + S, + Si; N + O; and O + S, + Si. J. Chem. Eng. Data 2009, 54, 669-689.
• PSRK revision IV (2005), critical constants and acentric factors of 1000 components ChEDL chemicals 1.5.2, from Horstmann, S.; Jabłoniec, A.; Krafczyk, J.; Fischer, K.; Gmehling, J. PSRK Group Contribution Equation of State: Comprehensive Revision and Extension IV, Including Critical Constants and α-Function Parameters for 1000 Components. Fluid Phase Equilib. 2005, 227, 157-164.
• Cheméo Relay (1.0)
• Crippen Method
• Crippen Method
• NIST Webbook

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Calculated This icon marks a calculated value or equation: a prediction, not a measurement.
Compiled This icon marks a compiled value or equation: taken from a data compilation such as ChemSep, not from an original measurement report.
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