This page provides supplementary chemical data on aluminium oxide.
Material Safety Data Sheet SIRI Science Stuff
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 indexWavelength(μm)none0.1931.928791.917430.2131.889031.878390.2221.87541.865040.2261.870171.859910.2441.850591.840750.2481.846961.837190.2571.839321.829720.2661.833041.823580.2801.824371.815090.3081.810961.801980.3251.804671.795820.3371.800821.792060.3511.796931.788250.3551.795981.787320.4421.780381.772060.4581.778431.770150.4881.77531.767110.5151.773041.764860.5321.77171.763550.5901.768041.759960.6331.76591.757870.6701.764331.756320.6941.763411.755420.7551.761411.753460.7801.760681.752740.8001.760131.75220.8201.759611.751680.9801.756071.748191.0641.754491.746631.3201.750091.742271.5501.746181.738382.0101.737481.729732.249291.732321.724322.7031.7191.7112.9411.7121.7043.3331.7011.6933.7041.6871.6794.0001.6741.6664.3481.6581.654.7621.6361.6285.0001.6231.6155.2631.6071.599
Table of Coefficients of Sellmeier equationCoefficientfor ordinary wavefor extraordinary waveB11.431349301.5039759B26.5054713×10−15.5069141×10−1B35.34140216.5937379C15.2799261−3μm25.48041129−3μm2C21.42382647−2μm21.47994281−2μm2C33.250178342μm24.02895142μm2
Thermodynamic properties
Phase behavior Solid properties Liquid properties Std enthalpy changeof 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 changeof formation, ΔfHogas ? kJ/mol Standard molar entropy,Sogas ? J/(mol K) Heat capacity, cp ? J/(mol K)
Spectral data
References