Disiloxane (data page)

This page provides supplementary chemical data on disiloxane

Material Safety Data Sheet

The handling of this chemical may incur notable safety precautions. It is highly recommend that you seek the Material Safety Datasheet (MSDS) for this chemical from a reliable source such as SIRI, and follow its directions.

Structure and properties
Structure and properties
Index of refraction, nD ?
Abbe number ?
Dielectric constant, εr ? ε0 at ? °C
Bond strength ?
Bond length 148.6±1.0 pm (Si-H)

163.4±0.2 pm (Si-O)

Bond angle 144.1±0.8° (Si-O-Si)

109.9±1.2° (H-Si-O)
109.1±1.2° (H-Si-H)

Magnetic susceptibility ?

Thermodynamic properties
Phase behavior
Triple point ? K (? °C), ? Pa
Critical point ? K (? °C), ? Pa
Std enthalpy change
of fusion, ΔfusHo		 ? kJ/mol
Std entropy change
of fusion, ΔfusSo		 ? J/(mol·K)
Std enthalpy change
of vaporization, ΔvapHo		 ? kJ/mol
Std entropy change
of vaporization, ΔvapSo		 ? J/(mol·K)
Solid properties
Std enthalpy change
of formation, ΔfHosolid		 ? kJ/mol
Standard molar entropy,
Sosolid		 ? J/(mol K)
Specific heat capacity, cp ? J/(mol K)
Liquid properties
Std enthalpy change
of formation, ΔfHoliquid		 ? kJ/mol
Standard molar entropy,
Soliquid		 ? J/(mol K)
Specific heat capacity, cp ? J/(mol K)
Gas properties
Std enthalpy change
of formation, ΔfHogas		 ? kJ/mol
Standard molar entropy,
Sogas		 ? J/(mol K)
Specific heat capacity, cp ? J/(mol K)

Spectral data
UV-Vis
λmax ? nm
Extinction coefficient, ε ?
IR
Major absorption bands 56.4 cm−1

69.2 cm−1
80.1 cm−1
90.5 cm−1
100 cm−1

NMR
Proton NMR  
Carbon-13 NMR  
Other NMR data  
MS
Masses of
main fragments		  
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References

    Except where noted otherwise, data relate to standard ambient temperature and pressure.

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