Chemical Properties of Hexasiloxane, tetradecamethyl- (CAS 107-52-8)

InChI

InChI=1S/C14H42O5Si6/c1-20(2,3)15-22(7,8)17-24(11,12)19-25(13,14)18-23(9,10)16-21(4,5)6/h1-14H3

InChI Key

ADANNTOYRVPQLJ-UHFFFAOYSA-N

Formula

C14H42O5Si6

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)C

Molecular Weight¹

458.99

CAS

107-52-8

Other Names

• MD4M (tetradecamethylhexasiloxane)
• Tetradecamethyl cycloheptasiloxane
• tetradecamethylhexasiloxane

• 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).
• P_vap : Vapor 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	0.8126		PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
IE	10.21	eV	Relay (1.0) Calculated Property
logPoct/wat	5.546		Crippen Calculated Property
Pc	[803.51; 840.00]	kPa
Pc	840.00	kPa	IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 11 Compiled value
Pc	803.51	kPa	PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
Tboil	514.59	K	Relay (1.0) Calculated Property
Tc	[652.00; 653.20]	K
Tc	652.00	K	IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 11 Compiled value
Tc	653.20	K	PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
Tfus	214.15	K	Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) Compiled value
Vc	[1.807; 1.808]	m3/kmol
Vc	1.807	m3/kmol	IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 11 Compiled value
Vc	1.808	m3/kmol	PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
Zc	0.2800000		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

Property	Value	Unit	Temperature (K)	Source
ΔvapH	[56.60; 56.90]	kJ/mol	[459.50; 497.00]
ΔvapH	56.60	kJ/mol	459.50	NIST
ΔvapH	56.90	kJ/mol	497.00	NIST
Pvap	[0.02; 5.36]	kPa	[338.15; 438.15]
Pvap	0.02	kPa	338.15	Temperature-Dependent Vapor Pressure of Selected Cyclic and Linear Polydimethylsiloxane Oligomers
Pvap	0.04	kPa	348.15	Temperature-Dependent Vapor Pressure of Selected Cyclic and Linear Polydimethylsiloxane Oligomers
Pvap	0.07	kPa	358.15	Temperature-Dependent Vapor Pressure of Selected Cyclic and Linear Polydimethylsiloxane Oligomers
Pvap	0.14	kPa	368.15	Temperature-Dependent Vapor Pressure of Selected Cyclic and Linear Polydimethylsiloxane Oligomers
Pvap	0.26	kPa	378.15	Temperature-Dependent Vapor Pressure of Selected Cyclic and Linear Polydimethylsiloxane Oligomers
Pvap	0.45	kPa	388.15	Temperature-Dependent Vapor Pressure of Selected Cyclic and Linear Polydimethylsiloxane Oligomers
Pvap	0.78	kPa	398.15	Temperature-Dependent Vapor Pressure of Selected Cyclic and Linear Polydimethylsiloxane Oligomers
Pvap	1.31	kPa	408.15	Temperature-Dependent Vapor Pressure of Selected Cyclic and Linear Polydimethylsiloxane Oligomers
Pvap	2.14	kPa	418.15	Temperature-Dependent Vapor Pressure of Selected Cyclic and Linear Polydimethylsiloxane Oligomers
Pvap	3.43	kPa	428.15	Temperature-Dependent Vapor Pressure of Selected Cyclic and Linear Polydimethylsiloxane Oligomers
Pvap	5.36	kPa	438.15	Temperature-Dependent Vapor Pressure of Selected Cyclic and Linear Polydimethylsiloxane Oligomers

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.66]	kPa	[391.39; 568.58]	The Yaws Handbook of Vapor Pressure
Equation			ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K
Coefficient A			1.49677e+01
Coefficient B			-4.99939e+03
Coefficient C			-5.08360e+01
Temperature range, min.			391.39
Temperature range, max.			568.58
Pvap	1.33	kPa	391.39	Calculated Property
Pvap	2.97	kPa	411.08	Calculated Property
Pvap	6.10	kPa	430.77	Calculated Property
Pvap	11.67	kPa	450.45	Calculated Property
Pvap	21.00	kPa	470.14	Calculated Property
Pvap	35.85	kPa	489.83	Calculated Property
Pvap	58.45	kPa	509.52	Calculated Property
Pvap	91.54	kPa	529.20	Calculated Property
Pvap	138.36	kPa	548.89	Calculated Property
Pvap	202.66	kPa	568.58	Calculated Property

Similar Compounds

Find more compounds similar to Hexasiloxane, tetradecamethyl-.

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
• Temperature-Dependent Vapor Pressure of Selected Cyclic and Linear Polydimethylsiloxane Oligomers
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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