Boric acid (data page)

This page provides supplementary chemical data on boric acid.

Thermodynamic properties

Phase behavior Triple point ? K (? °C), ? Pa Critical point ? K (? °C), ? Pa Std enthalpy changeof fusion, ΔfusHo ? kJ/mol Std entropy changeof fusion, ΔfusSo ? J/(mol·K) Std enthalpy changeof vaporization, ΔvapHo ? kJ/mol Std entropy changeof vaporization, ΔvapSo ? J/(mol·K) Solid properties Std enthalpy changeof formation, ΔfHosolid −1093.99 kJ/mol Standard molar entropy,Sosolid 88.7 J/(mol K) Heat capacity, cp ? J/(mol K) Liquid properties Std enthalpy changeof formation, ΔfHoliquid ? kJ/mol Standard molar entropy,Soliquid ? J/(mol K) Heat capacity, cp ? J/(mol K) Gas properties Std enthalpy changeof formation, ΔfHogas −992.28 kJ/mol Standard molar entropy,Sogas 295.23 J/(mol K) Heat capacity, cp ? J/(mol K)

Spectral data

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

Structure and properties data

Structure and properties Index of refraction ? Dielectric constant ? C2/(N·m2) at ? °C Bond strength ? Bond length ? 120OC Bond angle ? Magnetic susceptibility ?

Material Safety Data Sheet

The handling of this chemical may incur notable safety precautions. It is highly recommend that you seek the Material Safety Datasheet (MSDS) for this chemical from a reliable source and follow its directions. SIRI Science Stuff

References