octaphenylcyclotetrasiloxane C48H40O4Si4 structure

Flashcard maker : John Smith

Molecular Formula C48H40O4Si4
Average mass 793.171 Da
Density 1.2┬▒0.1 g/cm3
Boiling Point
Flash Point
Molar Refractivity 239.7┬▒0.4 cm3
Polarizability 95.0┬▒0.5 10-24cm3
Surface Tension 48.6┬▒5.0 dyne/cm
Molar Volume 648.8┬▒5.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – ChemAxon
  • Experimental Physico-chemical Properties
    • Experimental Melting Point:

      201 ┬░C TCI O0231
      197-204 ┬░C Alfa Aesar
      200.5 ┬░C Jean-Claude Bradley Open Melting Point Dataset 23260
      201 ┬░C Jean-Claude Bradley Open Melting Point Dataset 8188
      197-204 ┬░C Alfa Aesar L06130
    • Experimental Boiling Point:

      332 deg C / 1 mm (688.2188 ┬░C / 760 mmHg)
      Alfa Aesar
      332 ┬░C / 1 mm (688.2188 ┬░C / 760 mmHg)
      Alfa Aesar L06130
    • Experimental Gravity:

      1.185 g/mL Fluorochem S12525
  • Predicted Physico-chemical Properties
    • Predicted Melting Point:

      201 ┬░C TCI
      201 ┬░C TCI O0231
  • Miscellaneous
    • Safety:

      CAUTION: May irritate eyes, skin, and respiratory tract Alfa Aesar L06130
      IRRITANT Matrix Scientific 099845
  • Gas Chromatography
    • Retention Index (Kovats):

      5416 (estimated with error: 89) NIST Spectra mainlib_239406
    • Retention Index (Normal Alkane):

      4483 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 25 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 40 C; End T: 350 C; CAS no: 546565; Active phase: Methyl Silicone; Carrier gas: He; Phase thickness: 0.1 um; Data type: Normal alkane RI; Authors: Fujimoto, S.; Ohtani, H.; Yamagiwa, K.; Tsuge, S., Study on retention behavior of cyclic siloxanes by high resolution pyrolysis-gas chromatography with a fused silica capillary column, J. Hi. Res. Chromatogr., 13, 1990, 397-404.) NIST Spectra nist ri

Predicted data is generated using the ACD/Labs Percepta Platform – PhysChem Module

Density: 1.2┬▒0.1 g/cm3
Boiling Point:
Vapour Pressure:
Enthalpy of Vaporization:
Flash Point:
Index of Refraction: 1.661
Molar Refractivity: 239.7┬▒0.4 cm3
#H bond acceptors: 4
#H bond donors: 0
#Freely Rotating Bonds: 8
#Rule of 5 Violations:
ACD/LogP:
ACD/LogD (pH 5.5):
ACD/BCF (pH 5.5):
ACD/KOC (pH 5.5):
ACD/LogD (pH 7.4):
ACD/BCF (pH 7.4):
ACD/KOC (pH 7.4):
Polar Surface Area: 37 Å2
Polarizability: 95.0┬▒0.5 10-24cm3
Surface Tension: 48.6┬▒5.0 dyne/cm
Molar Volume: 648.8┬▒5.0 cm3

Click to predict properties on the Chemicalize site

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