Chemical Properties of DISILOXANE, 1,3-DIMETHYL-1,1,3,3-TETRAPHENYL-

InChI

InChI=1S/C26H26OSi2/c1-28(23-15-7-3-8-16-23,24-17-9-4-10-18-24)27-29(2,25-19-11-5-12-20-25)26-21-13-6-14-22-26/h3-22H,1-2H3

InChI Key

RFGGTTPASBFBTB-UHFFFAOYSA-N

Formula

C26H26OSi2

SMILES

C[Si](O[Si](C)(c1ccccc1)c1ccccc1)(c1ccccc1)c1ccccc1

Molecular Weight¹

410.66

Other Names

• 1,3-dimethyl-1,1,3,3-tetraphenyldisiloxane

• ω : Acentric Factor.
• C_p,solid : Solid phase heat capacity (J/mol×K).
• Δ_fusH : Enthalpy of fusion at a given temperature (kJ/mol).
• Δ_vapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
• 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).
• S°_{solid,1 bar} : Solid phase molar entropy at standard conditions (J/mol×K).
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ω	0.8079		PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
ΔvapH°	115.22	kJ/mol	Relay (1.0) Calculated Property
IE	8.29	eV	Relay (1.0) Calculated Property
logPoct/wat	3.782		Crippen Calculated Property
Pc	[1380.00; 1380.00]	kPa
Pc	1380.00	kPa	IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 11 Compiled value
Pc	1380.00	kPa	PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
S°solid,1 bar	570.20	J/mol×K	NIST
Tboil	658.98	K	Relay (1.0) Calculated Property
Tc	[893.00; 893.00]	K
Tc	893.00	K	IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 11 Compiled value
Tc	893.00	K	PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
Tfus	322.85	K	Solubilities of 1,3-dimethyl-1,1,3,3-tetraphenyldisiloxane in different solvents from (288.15 to 313.15) K

Cheméo can also estimate Critical Volume, Enthalpy of formation 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
Cp,solid	503.20	J/mol×K	298.15	NIST
ΔfusH	[26.58; 26.58]	kJ/mol	[321.95; 322.00]
ΔfusH	26.58	kJ/mol	321.95	NIST
ΔfusH	26.58	kJ/mol	322.00	NIST
ΔvapH	[64.40; 93.30]	kJ/mol	[567.00; 601.50]
ΔvapH	93.30	kJ/mol	567.00	NIST
ΔvapH	64.40	kJ/mol	601.50	NIST

Similar Compounds

Find more compounds similar to DISILOXANE, 1,3-DIMETHYL-1,1,3,3-TETRAPHENYL-.

Mixtures

• Methyl Alcohol + DISILOXANE, 1,3-DIMETHYL-1,1,3,3-TETRAPHENYL-
• Ethanol + DISILOXANE, 1,3-DIMETHYL-1,1,3,3-TETRAPHENYL-
• 2-Propanol + DISILOXANE, 1,3-DIMETHYL-1,1,3,3-TETRAPHENYL-
• 1-Propanol + DISILOXANE, 1,3-DIMETHYL-1,1,3,3-TETRAPHENYL-
• Cyclotetrasiloxane, octamethyl- + DISILOXANE, 1,3-DIMETHYL-1,1,3,3-TETRAPHENYL-

Sources

• 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
• Solubilities of 1,3-dimethyl-1,1,3,3-tetraphenyldisiloxane in different solvents from (288.15 to 313.15) K
• NIST Webbook

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