Phosphoryl chloride (data page)

This page provides supplementary chemical data on phosphoryl chloride.

Material Safety Data Sheets

Aldrich MSDS Fisher MSDS

Thermodynamic properties

Phase behavior Triple point ? K (? °C), ? Pa Critical point 602 K (329 °C), ? Pa Std enthalpy changeof fusion, ΔfusHo ? kJ/mol Std entropy changeof fusion, ΔfusSo ? J/(mol·K) Std enthalpy changeof vaporization, ΔvapHo +33. kJ/mol Std entropy changeof vaporization, ΔvapSo ? J/(mol·K) Solid properties Std enthalpy changeof formation, ΔfHosolid −610.0 kJ/mol Standard molar entropy,Sosolid ? J/(mol K) Heat capacity, cp ? J/(mol K) Liquid properties Std enthalpy changeof formation, ΔfHoliquid −597.0 kJ/mol Standard molar entropy,Soliquid ? J/(mol K) Heat capacity, cp ? J/(mol K) Gas properties Std enthalpy changeof formation, ΔfHogas −592.0 kJ/mol Std Gibbs' free energychange of formation, ΔfGogas −545.2 kJ/mol Standard molar entropy,Sogas 325 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 Phosphorus-31 NMR 2.2 ppm upfield of H3PO4 MS Masses of main fragments

Structure and properties data

Structure and properties Index of refraction 1.460 Dielectric constant 13 C2/(N·m2) at 22 °C Bond strength 533.5 kJ/mol (P=O) Bond length 158 pm (P=O)202 pm (P-Cl) Bond angle 103° (Cl-P-Cl)

References