Disiloxane (data page)

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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 		 

References[]

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