3D model (JSmol)
|Molar mass||286.69 g/mol|
|Density||2.82 g cm−3|
|Melting point||56 °C (133 °F; 329 K)|
|Boiling point||192 °C (378 °F; 465 K)|
|R-phrases (outdated)||R14, R34, R37|
|S-phrases (outdated)||S7/8, S26, S36/37/39, S43, S45|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Phosphoryl bromide, also known as phosphorus oxybromide, is an inorganic compound with the formula POBr3. It can be prepared via the slow addition of liquid bromine to phosphorus tribromide at 0 °C, followed by the slow addition of water and vacuum distillation of the resulting slurry.
Thin plates, faint orange tint, d 2.822. mp 56° (in hot water). bp758 193° (decomposes). Slowly hydrolyzes in water forming H3PO4 and HBr. Soluble in ether, benzene, chloroform, carbon disulfide, concentrated H2SO4. Store in sealed glass ampoules.
- Hönigschmid, Hirschbold-Wittner, Z. Anorg. Allg. Chem. 243, 355 (1940)
- Johnson, Nunn, J. Am. Chem. Soc. 63, 141 (1941); Booth, Seegmiller, Inorg. Synth. 2, 151 (1946)
- Jacob, E. Jean, Donald D. Danielson, and Svein Samdal. "An electron diffraction determination of the molecular structures of phosphoryl bromide and thiophosphoryl bromide." Journal of Molecular Structure 62 (1980): 143-155.
- Bell, I. S., P. A. Hamilton, and P. B. Davies. "Infrared Diode–Laser Spectroscopy of Phosphoryl Bromide (BrPO)." Journal of molecular spectroscopy 195.2 (1999): 340-344.
- Okuda, Tsutomu, et al. "Structural study of phosphoryl bromide by means of nuclear quadrupole resonance." Inorganic Chemistry 14.5 (1975): 1207-1209.
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