Chemical Properties of 2,2,4,4,6,6-Hexamethyl-8,8-diphenyl-[1,3,5,7,2,4,6,8]cyclotetrasiloxane (CAS 1693-44-3)

2,2,4,4,6,6-Hexamethyl-8,8-diphenyl-[1,3,5,7,2,4,6,8]cyclotetrasiloxane

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InChI
InChI=1S/C18H28O4Si4/c1-23(2)19-24(3,4)21-26(22-25(5,6)20-23,17-13-9-7-10-14-17)18-15-11-8-12-16-18/h7-16H,1-6H3
InChI Key
BOIFXPDTOHPTOD-UHFFFAOYSA-N
Formula
C18H28O4Si4
SMILES
C[Si]1(C)O[Si](C)(C)O[Si](c2ccccc2)(c2ccccc2)O[Si](C)(C)O1
Molecular Weight1
420.75
CAS
1693-44-3
Other Names
  • 2,2,4,4,6,6-hexamethyl-8,8-diphenylcyclotetrasiloxane
  • 1,1,3,3,5,5-Hexamethyl-7,7-diphenylcyclotetrasiloxane
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Physical Properties

Property Value Unit Source
log10WS -4.30 Crippen Calculated Property
logPoct/wat 3.428 Crippen Calculated Property
Inp 1883.00 NIST
S°solid,1 bar [758.60; 758.60] J/mol×K Show Hide
S°solid,1 bar 758.60 J/mol×K NIST
S°solid,1 bar 758.60 J/mol×K NIST
Ttriple 304.96 ± 0.02 K NIST

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,solid 633.00 J/mol×K 298.15 NIST
ΔfusH [42.73; 42.73] kJ/mol [304.96; 305.09] Show Hide
ΔfusH 42.73 kJ/mol 304.96 NIST
ΔfusH 42.73 kJ/mol 305.00 NIST
ΔfusH 42.73 kJ/mol 305.09 NIST
ΔfusS [140.10; 140.10] J/mol×K [304.96; 305.09] Show Hide
ΔfusS 140.10 J/mol×K 304.96 NIST
ΔfusS 140.10 J/mol×K 305.09 NIST

Similar Compounds

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-octamethyl-10,10-diphenyl-[1,3,5,7,9,2,4,6,8,10]cyclopentasiloxane. 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. 2,2,4,4,6,6,8,8-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. 2,2,4,4-tetramethyl-6,6,8,8-tetraphenyl-[1,3,5,7,2,4,6,8]cyclotetrasiloxane. 2,2,4,4-tetramethyl-6,6,8,8-tetraphenylcyclotetrasiloxane. 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. Dimethyltetraphenylcyclotrisiloxane. 2,2-dimethyl-4,4,6,6-tetraphenyl-[1,3,5,2,4,6]cyclotrisiloxane. 2,4-dimethyl-2,4,6,6,8,8-hexaphenyl-[1,3,5,7,2,4,6,8]cyclotetrasiloxane.

Find more compounds similar to 2,2,4,4,6,6-Hexamethyl-8,8-diphenyl-[1,3,5,7,2,4,6,8]cyclotetrasiloxane.

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