Aluminium oxide (data page)

This page provides supplementary chemical data on aluminium oxide.

Material Safety Data Sheet

Structure and properties
Structure and properties
Dielectric constant, ε11=ε22 9.34 ε0 at 25 °C
Dielectric constant, ε33 11.54 ε0 at 25 °C
Bond strength ?
Bond length ?
Bond angle ?
Magnetic susceptibility ?
Table of Refractive index
Wavelength(µm)none
0.1931.928791.91743
0.2131.889031.87839
0.2221.87541.86504
0.2261.870171.85991
0.2441.850591.84075
0.2481.846961.83719
0.2571.839321.82972
0.2661.833041.82358
0.2801.824371.81509
0.3081.810961.80198
0.3251.804671.79582
0.3371.800821.79206
0.3511.796931.78825
0.3551.795981.78732
0.4421.780381.77206
0.4581.778431.77015
0.4881.77531.76711
0.5151.773041.76486
0.5321.77171.76355
0.5901.768041.75996
0.6331.76591.75787
0.6701.764331.75632
0.6941.763411.75542
0.7551.761411.75346
0.7801.760681.75274
0.8001.760131.7522
0.8201.759611.75168
0.9801.756071.74819
1.0641.754491.74663
1.3201.750091.74227
1.5501.746181.73838
2.0101.737481.72973
2.249291.732321.72432
2.7031.7191.711
2.9411.7121.704
3.3331.7011.693
3.7041.6871.679
4.0001.6741.666
4.3481.6581.65
4.7621.6361.628
5.0001.6231.615
5.2631.6071.599
Table of Coefficients of Sellmeier equation
Coefficientfor ordinary wavefor extraordinary wave
B11.431349301.5039759
B26.5054713x10−15.5069141x10−1
B35.34140216.5937379
C15.2799261−3µm25.48041129−3µm2
C21.42382647−2µm21.47994281−2µm2
C33.250178342µm24.02895142µm2

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		 -1675.7 kJ/mol
Standard molar entropy,
Sosolid		 50.92 J/(mol K)
Heat capacity, cp 89.7248 J/(mol K)
Liquid properties
Std enthalpy change
of formation, ΔfHoliquid		 -1620.57 kJ/mol
Standard molar entropy,
Soliquid		 67.24 J/(mol K)
Heat capacity, cp 192.5 J/(mol K)
Gas properties
Std enthalpy change
of formation, ΔfHogas		 ? kJ/mol
Standard molar entropy,
Sogas		 ? J/(mol K)
Heat capacity, cp ? J/(mol K)

Spectral data
UV-Vis
λmax ? nm
Extinction coefficient, ε ?
IR
Major absorption bands ? cm−1
NMR
Proton NMR  
Carbon-13 NMR  
Other NMR data  
MS
Masses of
main fragments		  

References

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

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