ALUMINIUM OXIDE (DATA PAGE)

This page provides supplementary chemical data on aluminium oxide.

Contents

Material Safety Data Sheet

Structure and properties

Thermodynamic properties

Spectral data

References

Material Safety Data Sheet

★ MSDS from SIRI

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)	''n''o	''n''e
0.193	1.92879	1.91743
0.213	1.88903	1.87839
0.222	1.8754	1.86504
0.226	1.87017	1.85991
0.244	1.85059	1.84075
0.248	1.84696	1.83719
0.257	1.83932	1.82972
0.266	1.83304	1.82358
0.280	1.82437	1.81509
0.308	1.81096	1.80198
0.325	1.80467	1.79582
0.337	1.80082	1.79206
0.351	1.79693	1.78825
0.355	1.79598	1.78732
0.442	1.78038	1.77206
0.458	1.77843	1.77015
0.488	1.7753	1.76711
0.515	1.77304	1.76486
0.532	1.7717	1.76355
0.590	1.76804	1.75996
0.633	1.7659	1.75787
0.670	1.76433	1.75632
0.694	1.76341	1.75542
0.755	1.76141	1.75346
0.780	1.76068	1.75274
0.800	1.76013	1.7522
0.820	1.75961	1.75168
0.980	1.75607	1.74819
1.064	1.75449	1.74663
1.320	1.75009	1.74227
1.550	1.74618	1.73838
2.010	1.73748	1.72973
2.24929	1.73232	1.72432
2.703	1.719	1.711
2.941	1.712	1.704
3.333	1.701	1.693
3.704	1.687	1.679
4.000	1.674	1.666
4.348	1.658	1.65
4.762	1.636	1.628
5.000	1.623	1.615
5.263	1.607	1.599

Table of Coefficients of Sellmeier equation
Coefficient	for ordinary wave	for extraordinary wave
B1	1.43134930	1.5039759
B2	6.5054713x10-1	5.5069141x10-1
B3	5.3414021	6.5937379
C1	5.2799261-3µm2	5.48041129-3µm2
C2	1.42382647-2µm2	1.47994281-2µm2
C3	3.250178342µm2	4.02895142µm2

Thermodynamic properties

Phase behavior
Triple point	? K (? °C), ? Pa
Critical point	? K (? °C), ? Pa
Std enthalpy change of fusion, Δfus''H''o	? kJ/mol
Std entropy change of fusion, Δfus''S''o	? J/(mol·K)
Std enthalpy change of vaporization, Δvap''H''o	? kJ/mol
Std entropy change of vaporization, Δvap''S''o	? J/(mol·K)
Solid properties
Std enthalpy change of formation, Δf''H''osolid	-1675.7 kJ/mol
Standard molar entropy, ''S''osolid	50.92 J/(mol K)
Heat capacity, ''cp''	79.04 J/(mol K)
Liquid properties
Std enthalpy change of formation, Δf''H''oliquid	-1620.57 kJ/mol
Standard molar entropy, ''S''oliquid	67.24 J/(mol K)
Heat capacity, ''cp''	192.5 J/(mol K)
Gas properties
Std enthalpy change of formation, Δf''H''ogas	? kJ/mol
Standard molar entropy, ''S''ogas	? 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.
applies.