Beryllium oxide (data page)

This page provides supplementary chemical data on beryllium oxide.

Material Safety Data Sheet Beryllium Oxide MSDS from American Beryllia

Structure and properties

Structure and properties Index of refraction, nD ? Dielectric constant, εr ? ε0 at ? °C Bond strength ? Bond length ? Bond angle ? Magnetic susceptibility ?

Thermodynamic properties

Phase behavior Triple point ? K (? °C), ? Pa Critical point ? K (? °C), ? Pa Std enthalpy changeof fusion, ΔfusHo ? kJ/mol knnkm;k Std entropy changeof fusion, ΔfusSo ? J/(mol·K) Std enthalpy changeof vaporization, ΔvapHo ? kJ/mol Liquid properties Std enthalpy changeof formation, ΔfHoliquid ? kJ/mol Standard molar entropy,Soliquid Gas properties Std enthalpy changeof 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