Chemical Properties of Octaphenylcyclotetrasiloxane (CAS 546-56-5)

Octaphenylcyclotetrasiloxane

InChI
InChI=1S/C48H40O4Si4/c1-9-25-41(26-10-1)53(42-27-11-2-12-28-42)49-54(43-29-13-3-14-30-43,44-31-15-4-16-32-44)51-56(47-37-21-7-22-38-47,48-39-23-8-24-40-48)52-55(50-53,45-33-17-5-18-34-45)46-35-19-6-20-36-46/h1-40H
InChI Key
VSIKJPJINIDELZ-UHFFFAOYSA-N
Formula
C48H40O4Si4
SMILES
c1ccc([Si]2(c3ccccc3)O[Si](c3ccccc3)(c3ccccc3)O[Si](c3ccccc3)(c3ccccc3)O[Si](c3ccccc3)(c3ccccc3)O2)cc1
Molecular Weight1
793.17
CAS
546-56-5
Other Names
  • Cyclotetrasiloxane, octaphenyl-
  • Octaphenyltetracyclosiloxane
  • 1,1,3,3,5,5,7,7-Octaphenylcyclotetrasiloxane
  • CO9817
  • 2,4,6,8-tetradiphenyl-[1,3,5,7,2,4,6,8]cyclotetrasiloxane
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Physical Properties

Property Value Unit Source
logPoct/wat 5.093 Crippen Calculated Property
Inp [4483.00; 4483.00]   Show Hide
Inp 4483.00 NIST
Inp 4483.00 NIST
S°solid,1 bar 1044.00 J/mol×K NIST

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Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,solid 932.50 J/mol×K 298.15 NIST
ΔfusH [1.13; 1.95] kJ/mol [473.20; 478.10] Show Hide
ΔfusH 1.26 kJ/mol 473.20 NIST
ΔfusH 1.13 kJ/mol 475.00 NIST
ΔfusH 1.95 kJ/mol 478.10 NIST

Similar Compounds

Cyclotrisiloxane, hexaphenyl-. 1,1,3,3-Tetraphenyldisiloxane-1,3-diol. 2,2-dimethyl-4,4,6,6,8,8-hexaphenyl-[1,3,5,7,2,4,6,8]cyclotetrasiloxane. 1,1,3,3,5,5-Hexaphenyl-7,7-dimethylcyclotetrasiloxane. 2,2-dimethyl-4,4,6,6-tetraphenyl-[1,3,5,2,4,6]cyclotrisiloxane. Dimethyltetraphenylcyclotrisiloxane. 2,2,4,4-tetramethyl-6,6,8,8-tetraphenylcyclotetrasiloxane. 2,2,4,4-tetramethyl-6,6,8,8-tetraphenyl-[1,3,5,7,2,4,6,8]cyclotetrasiloxane. 2,2,4,4,6,6,8,8-octamethyl-10,10,12,12-tetraphenyl-[1,3,5,7,9,11,2,4,6,8,10,12]cyclohexasiloxane. 2,2,4,4,6,6-hexamethyl-8,8,10,10-tetraphenyl-[1,3,5,7,9,2,4,6,8,10]cyclopentasiloxane. 2-methyl-2,4,4,6,6-pentaphenyl-[1,3,5,2,4,6]cyclotrisiloxane. 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. 2,2,4,4,6,6,8,8,10,10,12,12-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-Hexamethyl-8,8-diphenyl-[1,3,5,7,2,4,6,8]cyclotetrasiloxane. 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.

Find more compounds similar to Octaphenylcyclotetrasiloxane.

Sources

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