Phosphorus Tribromide TCI P1743

Chemical Identity

CAS No.: 7789-60-8
PubChem: CID 24614·SID 125307132
Formula: Br3P
Molecular weight: 270.69 g/mol
Purity: >98.0%(T)
Reference databases: ChemSpider·ECHA·Wikipedia

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: tribromophosphane
SMILES: P(Br)(Br)Br
InChIKey: IPNPIHIZVLFAFP-UHFFFAOYSA-N

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Phosphorus Tribromide (PBr₃), with the CAS number 7789-60-8, is a highly reactive chemical compound widely used in laboratory settings for its versatility in chemical reactions. As a key reagent in organic and inorganic chemistry, it plays a crucial role in the synthesis of brominated compounds and the modification of organic molecules. Its ability to act as both a reagent and a catalyst makes it indispensable in various synthetic pathways. Due to its reactivity, PBr₃ is often employed in substitution reactions and bond-forming processes, where it facilitates the introduction of bromine atoms into organic structures.

The chemical properties of PBr₃, including its high reactivity, corrosiveness, and tendency to vaporize, make it a preferred choice for specific applications. Its high density and volatility require careful handling, but these characteristics also make it effective in reactions that demand extreme conditions. The compound's ability to react with alcohols, ethers, and other organic compounds under controlled conditions ensures its utility in both academic and industrial research. Its reactivity and effectiveness in promoting chemical transformations justify its use in specialized laboratory environments.

In Indonesian laboratories, PBr₃ is commonly used in research and development projects involving the synthesis of brominated compounds. It is a reliable choice for chemists working in educational institutions and research organizations due to its availability and effectiveness. However, its hazardous nature necessitates strict safety protocols to ensure safe handling and use in laboratory settings.

TCI brochures (PDF)

Halogenation Reagents 2026-04-03 · p. 7
Glycosidation 2026-04-14 · p. 4
Reagents for Glyco Chemistry & Biology 5th Edition · p. 145

Related TCI products

Organic synthesis of brominated compounds due to its ability to introduce bromine atoms into organic molecules.
Catalytic reactions in substitution processes where bromine is needed for structural modification.
Preparation of bromides from alcohols and ethers through nucleophilic substitution mechanisms.
Research in inorganic chemistry for the formation of phosphorus-based compounds under controlled conditions.
Development of new chemical materials requiring reactive brominating agents for functional group introduction.

Brand	TCI
CAS number	7789-60-8
Molecular formula	—
Purity	—
Category	Chemistry > Catalysis and Inorganic Chemistry > Phosphorous Compounds
Pack sizes	Available in various quantities as per supplier specifications
Physical form	Liquid
Storage	Requires storage in a cool, dry, and well-ventilated area away from moisture and incompatible substances

Phosphorus Tribromide should be stored in a cool, dry, and well-ventilated area, away from moisture and incompatible materials. It is recommended to use sealed containers made of inert materials such as glass or stainless steel to prevent chemical reactions. Due to its corrosive and toxic nature, proper personal protective equipment, including gloves, goggles, and a fume hood, must be used during handling. The compound should never be stored near flammable materials or in areas with high humidity. Regular monitoring of storage conditions is essential to ensure safety and maintain the integrity of the chemical.

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