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Phosphorus tribromide information


Phosphorus tribromide
Phosphorus tribromide
Phosphorus tribromide
Phosphorus tribromide
Names
IUPAC name
Phosphorus tribromide
Other names
phosphorus(III) bromide,
phosphorous bromide,
tribromophosphine
Identifiers
CAS Number
  • 7789-60-8 checkY
3D model (JSmol)
  • Interactive image
ChemSpider
  • 23016 checkY
ECHA InfoCard 100.029.253 Edit this at Wikidata
EC Number
  • 232-178-2
PubChem CID
  • 24614
RTECS number
  • TH4460000
UNII
  • 58R3866PUA checkY
CompTox Dashboard (EPA)
  • DTXSID7064869 Edit this at Wikidata
InChI
  • InChI=1S/Br3P/c1-4(2)3 checkY
    Key: IPNPIHIZVLFAFP-UHFFFAOYSA-N checkY
SMILES
  • BrP(Br)Br
Properties
Chemical formula
PBr3
Molar mass 270.69 g/mol
Appearance clear, colourless liquid
Density 2.852 g/cm3
Melting point −41.5 °C (−42.7 °F; 231.7 K)
Boiling point 173.2 °C (343.8 °F; 446.3 K)
Solubility in water
rapid hydrolysis
Refractive index (nD)
1.697
Viscosity 0.001302 Pas
Structure
Molecular shape
trigonal pyramidal
Hazards
GHS labelling:
Pictograms
GHS05: CorrosiveGHS07: Exclamation mark
Signal word
Danger
Hazard statements
H314, H335
Precautionary statements
P260, P261, P264, P271, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P312, P321, P363, P403+P233, P405, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 0: Will not burn. E.g. waterInstability 2: Undergoes violent chemical change at elevated temperatures and pressures, reacts violently with water, or may form explosive mixtures with water. E.g. white phosphorusSpecial hazard W: Reacts with water in an unusual or dangerous manner. E.g. sodium, sulfuric acid
3
0
2
W
Related compounds
Other anions
phosphorus trifluoride
phosphorus trichloride
phosphorus triiodide
Other cations
nitrogen tribromide
arsenic tribromide
antimony tribromide
Related compounds
phosphorus pentabromide
phosphorus oxybromide
Supplementary data page
Phosphorus tribromide (data page)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Phosphorus tribromide is a colourless liquid with the formula PBr3. The liquid fumes in moist air due to hydrolysis and has a penetrating odour. It is used in the laboratory for the conversion of alcohols to alkyl bromides.

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Phosphorus tribromide

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Phosphorus tribromide is a colourless liquid with the formula PBr3. The liquid fumes in moist air due to hydrolysis and has a penetrating odour. It is...

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Phosphorus pentabromide

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15 K leads to formation of the ionic species phosphorus heptabromide (tetrabromophosphonium tribromide [PBr4]+[Br3]−). It can be used in organic chemistry...

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Tribromide

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OsBr3 Phosphorus tribromide, PBr3 Plutonium tribromide, PuBr3 Praseodymium tribromide, PrBr3 Promethium tribromide, PmBr3 Rhenium tribromide, ReBr3 Rhodium...

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Phosphorus halide

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industrial chemical and widely used starting material for phosphorus chemistry. Phosphorus tribromide is used in organic chemistry to convert alcohols to alkyl...

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Phosphorus triiodide

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triiodide Diphosphorus tetraiodide Phosphorus trifluoride Phosphorus trichloride Phosphorus tribromide Phosphorus pentaiodide GHS: Sigma-Aldsrich 241555...

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Phosphorus heptabromide

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cation [PBr4]+, paired with a tribromide anion [Br3]−, and the tribromide anion is non-symmetric. Phosphorus tribromide Phosphorus pentabromide Breneman, G...

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Phosphoryl bromide

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pentabromide and phosphorus pentoxide: 3 PBr5 + P2O5 → 5 POBr3 It can also be prepared via the slow addition of liquid bromine to phosphorus tribromide at 0 °C...

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Phosphorus trichloride

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Phosphorus trichloride is an inorganic compound with the chemical formula PCl3. A colorless liquid when pure, it is an important industrial chemical, being...

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Acetyl bromide

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compound. As is expected, it may be prepared by reaction between phosphorus tribromide and acetic acid: 3 CH3COOH + PBr3 → 3 CH3COBr + H3PO3 As usual for...

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Haloalkane

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and alcohols convert to bromoalkanes under hydrobromic acid or phosphorus tribromide (PBr3). The heavier halogens do not require preformed reagents:...

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Bismuth tribromide

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Bismuth tribromide is an inorganic compound of bismuth and bromine with the chemical formula BiBr3. It may be formed by the reaction of bismuth oxide and...

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Phosphorus tricyanide

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trimethyl(iso)cyanosilane. The reaction of phosphorus tribromide and silver cyanide in diethyl ether produce phosphorus tricyanide too. Its thermal decomposition...

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Phosphorus trifluoride

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Phosphorus trifluoride (formula PF3), is a colorless and odorless gas. It is highly toxic and reacts slowly with water. Its main use is as a ligand in...

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Propionic acid

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α-halogenation of a carboxylic acid with bromine, catalysed by phosphorus tribromide, in this case to form 2-bromopropanoic acid, CH 3CHBrCOOH. This...

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Ethanol

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more specialized halogenating agents, such as thionyl chloride or phosphorus tribromide. CH3CH2OH + SOCl2 → CH3CH2Cl + SO2 + HCl Upon treatment with halogens...

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Isopropyl alcohol

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reactions. Isopropyl alcohol may be converted to 2-bromopropane using phosphorus tribromide, or dehydrated to propene by heating with sulfuric acid. Like most...

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Alprazolam

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Oxy-methylation with formaldehyde results in a product that is treated with phosphorus tribromide, when 2-[4-(3'-methyl-5'-bromomethyl-1,2,4-triazolo)]-5-chlorobenzophenone...

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Propargyl bromide

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bromide may be produced by the treatment of propargyl alcohol with phosphorus tribromide. Propargyl bromide is an alkylating agent. With dimethylsulfide...

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Arsenic tribromide

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Arsenic tribromide is an inorganic compound with the formula AsBr3, it is a bromide of arsenic. Arsenic is a chemical element that has the symbol As and...

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Bromoethane

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An alternate route involves refluxing ethanol with phosphorus and bromine; phosphorus tribromide is generated in situ. In organic synthesis, EtBr is...

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List of inorganic compounds

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bromide – HgBr2 Nitrosyl bromide – NOBr Phosphorus pentabromide – PBr5 Phosphorus tribromide – PBr3 Phosphorus heptabromide – PBr7 Potassium bromide –...

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List of reagents

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nitriles. Phosphorus tribromide used for the conversion of alcohols to alkyl bromides Phosphorus trichloride most important of the three phosphorus chlorides;...

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Organobromine chemistry

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generated directly from acetic acid and bromine in the presence of phosphorus tribromide catalyst: CH3CO2H + Br2 → BrCH2CO2H + HBr Bromine also converts...

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Thiophosphoryl bromide

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PSBr3. Thiophosphoryl bromide can be prepared by heating phosphorus tribromide with phosphorus pentasulfide, or with elemental sulfur in an inert atmosphere...

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List of CAS numbers by chemical compound

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number PBr3 phosphorus tribromide 7789–60–8 PBr5 phosphorus pentabromide 7789–69–7 PCl3 phosphorus trichloride 7719–12–2 PCl5 phosphorus pentachloride...

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