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Phosphorus tribromide

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Identification
Molecular formula
PBr3
CAS number
7789-60-8
IUPAC name
tribromophosphane
State
State

At room temperature, phosphorus tribromide is a liquid.

Melting point (Celsius)
-41.50
Melting point (Kelvin)
231.65
Boiling point (Celsius)
173.20
Boiling point (Kelvin)
446.35
General information
Molecular weight
270.69g/mol
Molar mass
270.6870g/mol
Density
2.8520g/cm3
Appearence

Phosphorus tribromide is a colorless to pale yellow liquid.

Comment on solubility

Solubility of Tribromophosphane

Tribromophosphane, with the chemical formula PBr3, is an interesting compound when it comes to its solubility characteristics. Understanding the solubility of this molecule can provide insight into its behavior in various environments. Here are some key points regarding its solubility:

  • Solvent Compatibility: Tribromophosphane is known to be soluble in organic solvents such as alcohol and ether. This is typical for many phosphorus-containing compounds.
  • Polarity Consideration: Due to the presence of bromine atoms, which are electronegative, PBr3 is a polar molecule, influencing its solubility in polar solvents.
  • Saturation Level: The exact saturation levels of PBr3 in various solvents can vary, but it generally has a moderate solubility.
  • Reaction with Water: Interestingly, tribromophosphane reacts with water to form phosphine (PH3) and hydrobromic acid (HBr), making it insoluble in aqueous solutions.

In summary, tribromophosphane shows preferential solubility in organic solvents while demonstrating instability in the presence of water. This knowledge is quite useful for chemists working with this compound in various applications.

Interesting facts

Interesting Facts about Tribromophosphane

Tribromophosphane, a chemical compound with three bromine atoms bonded to a phosphorus atom, is a fascinating substance that captures the attention of both chemists and students alike. Here are some intriguing points regarding this compound:

  • Chemical Structure: The molecular geometry of tribromophosphane typically exhibits a trigonal pyramidal shape, similar to ammonia. This unique shape influences its reactivity and bonding behavior.
  • Reactivity: Tribromophosphane is known for its reactivity towards nucleophiles. This characteristic makes it an interesting subject for studies related to organic synthesis and phosphorus chemistry.
  • Applications: This compound can serve in various applications such as a brominating agent and in the synthesis of other phosphorus-containing compounds, extending its utility in the field of organic chemistry.
  • Safety Considerations: As with many halogenated compounds, tribromophosphane must be handled with care. It can pose health hazards if inhaled or ingested, thus emphasizing the need for proper laboratory safety protocols.
  • Environmental Impact: The presence of brominated compounds in the environment can lead to concerns regarding their persistence and bioaccumulation, making the study of tribromophosphane relevant in environmental chemistry discussions.

The compound serves as not just a chemical of interest but also as a conduit for broader topics in chemistry, including environmental impact and reactive chemical behavior. "Understanding the balance of utility and risk in chemical compounds is a pillar of modern chemistry," as many scholars often emphasize.

In summary, tribromophosphane is more than just a simple molecule; it embodies complex chemistry with practical applications, safety considerations, and environmental implications, making it worthy of study and exploration.

Synonyms
PHOSPHORUS TRIBROMIDE
Phosphorus(III) bromide
Phosphorous tribromide
Tribromophosphine
Phosphorous bromide
tribromophosphane
Phosphorus bromide
Phosphorus bromide (PBr3)
HSDB 1217
EINECS 232-178-2
UN1808
UNII-58R3866PUA
58R3866PUA
phosphorus (III) bromide
DTXSID7064869
PHOSPHORUS TRIBROMIDE [MI]
PHOSPHORUS TRIBROMIDE [HSDB]
UN 1808
PHOSPHORUS BROMIDE [PBR3]
DTXCID3048073
232-178-2
extrema
ipnpihizvlfafp-uhfffaoysa-n
7789-60-8
PBr3
Tribromo phosphine
MFCD00011436
Br3P
tribro-mophosphine
tribromo-phosphine
phosphorous tribromid
phosphorus(III)bromide
tris(bromanyl)phosphane
Phosphorus(III) tribromide
Phosphorus tribromide, 97%
Phosphorus tribromide, 99%
BCP28228
AKOS015856778
BP-14077
P1743
Phosphorus tribromide [UN1808] [Corrosive]
A839279
Q416401
Phosphorus tribromide, >=99.99% trace metals basis