Chemical Properties of 2,2,4,4-tetramethyl-6,6,8,8-tetraphenylcyclotetrasiloxane (CAS 1693-47-6)

2,2,4,4-tetramethyl-6,6,8,8-tetraphenylcyclotetrasiloxane

InChI
InChI=1S/C28H32O4Si4/c1-33(2)29-34(3,4)31-36(27-21-13-7-14-22-27,28-23-15-8-16-24-28)32-35(30-33,25-17-9-5-10-18-25)26-19-11-6-12-20-26/h5-24H,1-4H3
InChI Key
SOPXVWFVFREYPL-UHFFFAOYSA-N
Formula
C28H32O4Si4
SMILES
C[Si]1(C)O[Si](C)(C)O[Si](c2ccccc2)(c2ccccc2)O[Si](c2ccccc2)(c2ccccc2)O1
Molecular Weight1
544.89
CAS
1693-47-6
Other Names
  • 1,1,3,3-Tetramethyl-5,5,7,7-tetraphenylcyclotetrasiloxane
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Physical Properties

Property Value Unit Source
ω 0.6612 Relay (1.0) Calculated Property
ΔfG° 97.00 kJ/mol Relay (1.0-beta) Calculated Property
ΔfH°gas -624.16 kJ/mol Relay (1.0) Calculated Property
ΔvapH° 126.44 kJ/mol Relay (1.0) Calculated Property
IE 8.34 eV Relay (1.0) Calculated Property
log10WS -5.03 Relay (1.0) Calculated Property
logPoct/wat 3.983 Crippen Calculated Property
Pc 117.96 kPa Relay (1.0-beta) Calculated Property
Tboil 704.32 K Relay (1.0) Calculated Property
Tc 1054.76 K Relay (1.0) Calculated Property
Tfus 356.93 K Relay (1.0) Calculated Property
Ttriple 346.21 ± 0.02 K NIST
Vc 1.591 m3/kmol Relay (1.0) Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
ΔfusH 27.05 kJ/mol 346.20 NIST

Similar Compounds

2,2,4,4-tetramethyl-6,6,8,8-tetraphenyl-[1,3,5,7,2,4,6,8]cyclotetrasiloxane. 2,2,4,4,6,6-hexamethyl-8,8,10,10-tetraphenyl-[1,3,5,7,9,2,4,6,8,10]cyclopentasiloxane. 2,2,4,4,6,6,8,8-octamethyl-10,10,12,12-tetraphenyl-[1,3,5,7,9,11,2,4,6,8,10,12]cyclohexasiloxane. 1,1,3,3,5,5-Hexaphenyl-7,7-dimethylcyclotetrasiloxane. 2,2-dimethyl-4,4,6,6,8,8-hexaphenyl-[1,3,5,7,2,4,6,8]cyclotetrasiloxane. 2,2-dimethyl-4,4,6,6-tetraphenyl-[1,3,5,2,4,6]cyclotrisiloxane. Dimethyltetraphenylcyclotrisiloxane. 2,2,4,4,6,6,8,8-octamethyl-10,10-diphenyl-[1,3,5,7,9,2,4,6,8,10]cyclopentasiloxane. 2,2,4,4,6,6-Hexamethyl-8,8-diphenyl-[1,3,5,7,2,4,6,8]cyclotetrasiloxane. 2,2,4,4,6,6,8,8,10,10,12,12-dodecamethyl-14,14-diphenyl-[1,3,5,7,9,11,13,2,4,6,8,10,12,14]cycloheptasiloxane. 2,2,4,4,6,6,8,8,10,10,14,14-tetradecamethyl-16,16-diphenyl-[1,3,5,7,9,11,13,15,2,4,6,8,10,12,14,16]cyclooctasiloxane. 2,2,4,4,6,6,8,8,10,10-decamethyl-12,12-diphenyl-[1,3,5,7,9,11,2,4,6,8,10,12]cyclohexasiloxane. 2,2,4,4-tetramethyl-6,6-diphenyl-[1,3,5,2,4,6]cyclotrisiloxane. 2,2-Diphenyl-4,4,6,6-tetramethylcyclotrisiloxane. 2,4-dimethyl-2,4,6,6,8,8-hexaphenyl-[1,3,5,7,2,4,6,8]cyclotetrasiloxane.

Find more compounds similar to 2,2,4,4-tetramethyl-6,6,8,8-tetraphenylcyclotetrasiloxane.

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