Chemical Properties of Tetramethyltetraphenylcyclotetrasiloxane (CAS 77-63-4)

Tetramethyltetraphenylcyclotetrasiloxane

InChI
InChI=1S/C28H32O4Si4/c1-33(25-17-9-5-10-18-25)29-34(2,26-19-11-6-12-20-26)31-36(4,28-23-15-8-16-24-28)32-35(3,30-33)27-21-13-7-14-22-27/h5-24H,1-4H3
InChI Key
IRVZFACCNZRHSJ-UHFFFAOYSA-N
Formula
C28H32O4Si4
SMILES
C[Si]1(c2ccccc2)O[Si](C)(c2ccccc2)O[Si](C)(c2ccccc2)O[Si](C)(c2ccccc2)O1
Molecular Weight1
544.89
CAS
77-63-4
Other Names
  • 2,4,6,8-Tetramethyl-2,4,6,8-tetraphenyl-[1,3,5,7,2,4,6,8]cyclotetrasiloxane
  • 2,4,6,8-tetramethyl-2,4,6,8-tetraphenylcyclotetrasiloxane
  • 1,1,5',7'-Tetramethyl-1',3',5,7-tetraphenylcyclotetrasiloxane
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Physical Properties

Property Value Unit Source
ω 0.6463 Relay (1.0) Calculated Property
ΔfG° 104.82 kJ/mol Relay (1.0-beta) Calculated Property
ΔfH°gas -635.72 kJ/mol Relay (1.0) Calculated Property
ΔvapH° 136.52 kJ/mol Relay (1.0) Calculated Property
IE 8.35 eV Relay (1.0) Calculated Property
log10WS -5.49 Relay (1.0) Calculated Property
logPoct/wat 3.983 Crippen Calculated Property
Pc 611.37 kPa Relay (1.0-beta) Calculated Property
Inp [2736.00; 2736.00]   Show Hide
Inp 2736.00 NIST
Inp 2736.00 NIST
Tboil 689.67 K Relay (1.0) Calculated Property
Tc 1063.55 K Relay (1.0) Calculated Property
Tfus 349.46 K Relay (1.0) Calculated Property
Ttriple 373.00 ± 0.10 K NIST
Vc 1.613 m3/kmol Relay (1.0) Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
ΔfusH 24.62 kJ/mol 373.40 NIST

Similar Compounds

2,4,6,8,10-Pentamethyl-2,4,6,8,10-pentaphenyl-[1,3,5,7,9,2,4,6,8,10]cyclopentosiloxane. Cyclotrisiloxane, 2,4,6-trimethyl-2,4,6-triphenyl-. 2,2,4,6,8,10-hexamethyl-4,6,8,10-tetraphenyl-[1,3,5,7,9,2,4,6,8,10]cyclopentasiloxane. 2,2,4,4,6,8,10-heptamethyl-6,8,10-triphenyl-[1,3,5,7,9,2,4,6,8,10]cyclopentasiloxane. 2,2,4,6,8-pentamethyl-4,6,8-triphenyl-[1,3 ,5,7,2,4,6,8]cyclotetrasiloxane. 2,2,4,4,6,6,8,10-octamethyl-8,10-diphenyl-[1,3,5,7,9,2,4,6,8,10]cyclopentasiloxane. 2,2,4,4,6,8-Hexamethyl-6,8-diphenyl-[1,3 ,5,7,2,4,6,8]cyclotetrasiloxane. 2,2,4,6-tetramethyl-4,6-diphenyl-[1,3,5,2,4,6]cyclotrisiloxane. 2,2,4,4,6,6,8,8,10,10,12,12,13-tridecamethyl-14-phenyl-[1,3,5,7,9,11,13,2,4,6,8,10,12,14]cycloheptasiloxane. 2,2,4,4,6,6,8,8,10-nonamethyl-10-phenyl-[1,3,5,7,9,2,4,6,8,10]cyclopentasiloxane. 2,2,4,4,6,6,8-Heptamethyl-8-phenyl-[1,3 ,5,7,2,4,6,8]cyclotetrasiloxane. 2,2,4,4,6,6,8,8,10,10,12-undecamethyl-12-phenyl-[1,3,5,7,9,11,2,4,6,8,10,12]cyclohexasiloxane. 2,2,4,4,6-Pentamethyl-6-phenyl-[1,3,5,2,4,6]cyclotrisiloxane. 1,3-Dimethyl-1,3-diphenyldisiloxanediol. 2,4,6-trimethyl-2,4,6,8,8-pentaphenyl-[1,3,5,7,2,4,6,8]cyclotetrasiloxane.

Find more compounds similar to Tetramethyltetraphenylcyclotetrasiloxane.

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