2,4,6,8-Tetramethyl-2,4,6,8-tetraphenyl-[1,3,5,7,2,4,6,8]cyclotetrasiloxane

• Formula: C₂₈H₃₂O₄Si₄
• Molecular weight: 544.8933
• IUPAC Standard 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 Copy

  
• IUPAC Standard InChIKey: IRVZFACCNZRHSJ-UHFFFAOYSA-N Copy
• CAS Registry Number: 77-63-4
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: Tetramethyltetraphenylcyclotetrasiloxane; 2,4,6,8-tetramethyl-2,4,6,8-tetraphenylcyclotetrasiloxane; 1,1,5',7'-Tetramethyl-1',3',5,7-tetraphenylcyclotetrasiloxane
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• Information on this page:
  • Phase change data
  • References
  • Notes
• Other data available:
  • IR Spectrum
  • Gas Chromatography
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Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of fusion

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Mekhtiev and Karasharli, 1981
Mekhtiev, S.A.; Karasharli, K.A., Analysis of the results of thermodynamic studies of a series of organosilicon compounds, Azerb. Khim. Zhur., 1981, (5), 85-88. [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]

Notes

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• Symbols used in this document:
  

  Ttriple	Triple point temperature
  ΔfusH	Enthalpy of fusion

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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