288462

Sigma-Aldrich

Phosphorus tribromide

≥99.99% trace metals basis

Synonym(s):
Phosphorus(III) bromide
Linear Formula:
PBr3
CAS Number:
Molecular Weight:
270.69
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23
Pricing and availability is not currently available.

vapor pressure

0.27 psi ( 54 °C)

Quality Level

assay

≥99.99% trace metals basis

refractive index

n20/D 1.697 (lit.)

bp

175 °C (lit.)

mp

−41.5 °C (lit.)

density

2.88 g/mL at 20 °C (lit.)

SMILES string

BrP(Br)Br

InChI

1S/Br3P/c1-4(2)3

InChI key

IPNPIHIZVLFAFP-UHFFFAOYSA-N

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General description

Phosphorus tribromide (PBr3) is a phosphorus halide that can be used as a reactive phosphorylating agent for the formation of multifunctional thiophenes.

Application

PBr3 can be used as an acceptor molecule in the formation of donor-acceptor complexes. It can also be used in the phosphorylation of arylphospholes which can further be utilized in the synthesis of phosphonic amides.

Packaging

10, 50 g in ampule

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Target Organs

Respiratory system

Supp Hazards

EUH014

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

UN 1808 8 / PGII

WGK Germany

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Site-selective phosphorylation of arylphospholes through reaction with phosphorus tribromide
Keglevich G, et al.
Journal of Organometallic Chemistry, 643(11), 32-38 (2002)
Donor-acceptor complexes between organoamines and phosphorus tribromide
Muller G, et al.
Zeitschrift fur Naturforschung B, 56(11), 1163-1171 (2001)
Phosphorylation of 2-(3-methyl-1, 3-diazabuten-1-yl)-3-ethoxycarbonylthiophenes with phosphorus (III) halides
Pinchuk AM, et al.
Heteroatom Chem., 12(7), 641-651 (2001)
Andrey S Mereshchenko et al.
Nature chemistry, 7(7), 562-568 (2015-06-24)
'Roaming' is a new and unusual class of reaction mechanism that has recently been discovered in unimolecular dissociation reactions of isolated molecules in the gas phase. It is characterized by frustrated bond cleavage, after which the two incipient fragments 'roam'...

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