Aluminium oxide (data page)

This page provides supplementary chemical data on aluminium oxide.

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

Phase behavior
Triple point	? K (? °C), ? Pa
Critical point	? K (? °C), ? Pa
Std enthalpy change of fusion, Δ_fusH^o	? kJ/mol
Std entropy change of fusion, Δ_fusS^o	? J/(mol·K)
Std enthalpy change of vaporization, Δ_vapH^o	? kJ/mol
Std entropy change of vaporization, Δ_vapS^o	? J/(mol·K)
Solid properties
Std enthalpy change of formation, Δ_fH^o_solid	-1675.7 kJ/mol
Standard molar entropy, S^o_solid	50.92 J/(mol K)
Heat capacity, c_p	89.7248 J/(mol K)
Liquid properties
Std enthalpy change of formation, Δ_fH^o_liquid	-1620.57 kJ/mol
Standard molar entropy, S^o_liquid	67.24 J/(mol K)
Heat capacity, c_p	192.5 J/(mol K)
Gas properties
Std enthalpy change of formation, Δ_fH^o_gas	? kJ/mol
Standard molar entropy, S^o_gas	? J/(mol K)
Heat capacity, c_p	? J/(mol K)

Material Safety Data Sheet