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Merck
CN

376949

Phosphorus(V) oxybromide

>95%

Synonym(s):

Phosphorus oxide bromide, Phosphoryl bromide

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About This Item

Linear Formula:
POBr3
CAS Number:
7789-59-5
Molecular Weight:
286.69
NACRES:
NA.22
PubChem Substance ID:
24863480
UNSPSC Code:
12352100
EC Number:
232-177-7
MDL number:
MFCD00036298

Key Documents

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Product Name

Phosphorus(V) oxybromide, >95%

InChI key

UXCDUFKZSUBXGM-UHFFFAOYSA-N

InChI

1S/Br3OP/c1-5(2,3)4

SMILES string

BrP(Br)(Br)=O

assay

>95%

form

solid

bp

192 °C (lit.)

mp

56 °C (lit.)

density

2.82 g/mL at 25 °C (lit.)

functional group

phosphine oxide

storage temp.

2-8°C

Quality Level

200

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Application

Phosphorus(V) oxybromide may be used as brominating reagent in the synthesis of 2,4,6-tribromopyrimidine. It may be used in the preparation of bromoheterocyclic compounds.

General description

Reaction of phosphorus pentabromide with phosphorus pentoxide at elevated temperatures affords phosphorus(V) oxybromide. Its Raman spectrum has been studied and the molecule has been reported to exhibit point group symmetry C3v. Phosphorus(V) oxybromide (Phosphorus oxide bromide) participates in the preparation of 1:1 addition ionic compound having melting point at 154·0°C, via reaction with gallium tribromide. This ionic compound contains non-metal cation POBr2+.

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

supp_hazards

EUH014

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 3

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
STBL4356
STBK1275
0000110371
0000092764
STBJ0151

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The possible existence of the cation POBr2+ and some properties of phosphorus oxybromide, gallium tribromide, and their ionic 1: 1 addition compound.
Greenwood NN and Worrall IJ.
J. Inorg. Nucl. Chem., 6(1), 34-41 (1958)
Phosphorus oxybromide as a brominating agent; bromopyrimidines.
D R V GOLDING et al.
The Journal of organic chemistry, 12(2), 293-293 (1947-03-01)
The Raman spectrum and the molecular structure of phosphorus oxybromide.
Gerding H and van Driel M.
Rec. Trav. Chim., 61(6), 419-424 (1942)
A facile halogenation of some hydroxyheterocycles using triphenylphosphine and N-halosuccinimide.
Sugimoto O, et al.
Tetrahedron Letters, 40(42), 7477-7478 (1999)
90. The heats of hydrolysis of some halides and oxyhalides of phosphorus.
Charnley T and Skinner HA.
Journal of the Chemical Society, 450-452 (1953)

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