Phosphorus tribromide (data page)

Template:Short description This page provides supplementary chemical data on phosphorus tribromide.

Material Safety Data Sheet

External MSDS sheets:

• Fisher MSDS
• Aldrich MSDS

Structure and properties

Template:Chembox header | Structure and properties
Index of refraction, nD	?
Abbe number	?
Dielectric constant, εr	? ε0 at ? °C
Bond strength	?
Bond length	222 pm
Bond angle	109.1° Approximately
Magnetic susceptibility	?

Thermodynamic properties

Template:Chembox header | Phase behavior
Triple point	? K (? °C), ? Pa
Critical point	? K (? °C), ? Pa
Std enthalpy change of fusion, ΔfusHo	? kJ/mol
Std entropy change of fusion, ΔfusSo	? J/(mol·K)
Std enthalpy change of vaporization, ΔvapHo	? kJ/mol
Std entropy change of vaporization, ΔvapSo	? J/(mol·K)
Template:Chembox header | Solid properties
Std enthalpy change of formation, ΔfHosolid	? kJ/mol
Standard molar entropy, Sosolid	? J/(mol K)
Heat capacity, cp	? J/(mol K)
Template:Chembox header | Liquid properties
Std enthalpy change of formation, ΔfHoliquid	? kJ/mol
Standard molar entropy, Soliquid	? J/(mol K)
Heat capacity, cp	? J/(mol K)
Template:Chembox header | Gas properties
Std enthalpy change of formation, ΔfHogas	? kJ/mol
Standard molar entropy, Sogas	? J/(mol K)
Heat capacity, cp	? J/(mol K)

Spectral data

Template:Chembox header | UV-Vis
λmax	? nm
Extinction coefficient, ε	?
Template:Chembox header | IR
Major absorption bands	? cm−1
Template:Chembox header | NMR
Proton NMR
Carbon-13 NMR
Phosphorus-31 NMR +228 ppm
Other NMR data
Template:Chembox header | MS
Masses of main fragments