288462

Phosphorus tribromide

≥99.99% trace metals basis

• Synonym(s): Phosphorus(III) bromide
• Linear Formula: PBr₃
• CAS Number: 7789-60-8
• Molecular Weight: 270.69
• EC Number: 232-178-2
• MDL number: MFCD00011436
• UNSPSC Code: 12352300
• PubChem Substance ID: 24857341
• NACRES: NA.23

Properties

• vapor pressure: 0.27 psi ( 54 °C)
• Assay: ≥99.99% trace metals basis
• form: liquid
• 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

Description

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.

Safety Information

• Pictograms: GHS05,GHS07
• Signal Word: Danger
• Hazard Statements: H314,H335
• Precautionary Statements: P261 - P271 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1 - Skin Corr. 1B - STOT SE 3
• Target Organs: Respiratory system
• Supplementary Hazards: EUH014
• Storage Class Code: 8A - Combustible corrosive hazardous materials
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves