This page provides supplementary chemical data on phosphorus tribromide.

Material Safety Data Sheet

External MSDS sheets:

  • Fisher MSDS
  • Aldrich MSDS

== Structure and properties == <!-- KEEP this header, it is linked to from the infobox on the main article page -->

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! | Structure and properties

|-

| Index of refraction, n<sub>D</sub>

| ? <!-- Please omit if not applicable -->

|-

| Abbe number

|? <!-- Please omit if not applicable -->

|-

| Dielectric constant, ε<sub>r</sub>

| ? ε<sub>0</sub> at ? °C <!-- Please omit if not applicable -->

|-

| Bond strength

| ? <!-- Specify which bond. Please omit if not applicable -->

|-

| Bond length

| 222 pm

|-

| Bond angle

| 109.1° Approximately

|-

| Magnetic susceptibility

| ? <!-- Please omit if not applicable -->

|-

|}

== Thermodynamic properties == <!-- KEEP this header, it is linked to from the infobox on the main article page -->

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! | Phase behavior

|-

| Triple point

| ? K (? °C), ? Pa

|-

| Critical point

| ? K (? °C), ? Pa

|-

| Std enthalpy change<br/>of fusion, Δ<sub>fus</sub>H<sup><s>o</s></sup>

| ? kJ/mol

|-

| Std entropy change<br/>of fusion, Δ<sub>fus</sub>S<sup><s>o</s></sup>

| ? J/(mol·K)

|-

| Std enthalpy change<br/>of vaporization, Δ<sub>vap</sub>H<sup><s>o</s></sup>

| ? kJ/mol

|-

| Std entropy change<br/>of vaporization, Δ<sub>vap</sub>S<sup><s>o</s></sup>

| ? J/(mol·K)

|-

! | Solid properties

|-

| Std enthalpy change<br/>of formation, Δ<sub>f</sub>H<sup><s>o</s></sup><sub>solid</sub>

| ? kJ/mol

|-

| Standard molar entropy,<br/>S<sup><s>o</s></sup><sub>solid</sub>

| ? J/(mol K)

|-

| Heat capacity, c<sub>p</sub>

| ? J/(mol K)

|-

! | Liquid properties

|-

| Std enthalpy change<br/>of formation, Δ<sub>f</sub>H<sup><s>o</s></sup><sub>liquid</sub>

| ? kJ/mol

|-

| Standard molar entropy,<br/>S<sup><s>o</s></sup><sub>liquid</sub>

| ? J/(mol K)

|-

| Heat capacity, c<sub>p</sub>

| ? J/(mol K)

|-

! | Gas properties

|-

| Std enthalpy change<br/>of formation, Δ<sub>f</sub>H<sup><s>o</s></sup><sub>gas</sub>

| ? kJ/mol

|-

| Standard molar entropy,<br/>S<sup><s>o</s></sup><sub>gas</sub>

| ? J/(mol K)

|-

| Heat capacity, c<sub>p</sub>

| ? J/(mol K)

|-

|}

== Spectral data == <!-- KEEP this header, it is linked to from the infobox on the main article page -->

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! | UV-Vis

|-

| λ<sub>max</sub>

| ? nm

|-

| Extinction coefficient, ε

| ?

|-

! | IR

|-

| Major absorption bands

| ? cm<sup>&minus;1</sup>

|-

! | NMR

|-

| Proton NMR <!-- Link to image of spectrum -->

| &nbsp;

|-

| Carbon-13 NMR <!-- Link to image of spectrum -->

| &nbsp;

|-

| Phosphorus-31 NMR +228 ppm <!-- Link to image of spectrum -->

| &nbsp;

|-

| Other NMR data <!-- Insert special data e.g. <sup>19</sup>F chem. shifts, omit if not used -->

| &nbsp;

|-

! | MS

|-

| Masses of <br>main fragments

| &nbsp; <!-- Give list of major fragments -->

|-

|}

References

<!-- NIST Standard Reference Database -->