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Strontium bromide

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Identification
Molecular formula
SrBr2
CAS number
10476-81-0
IUPAC name
strontium;dibromide
State
State

At room temperature, strontium bromide is a solid. It typically exists in a crystalline form and is commonly encountered as a dihydrate in its commercially available form.

Melting point (Celsius)
643.00
Melting point (Kelvin)
916.00
Boiling point (Celsius)
2 146.00
Boiling point (Kelvin)
2 419.00
General information
Molecular weight
247.52g/mol
Molar mass
246.5220g/mol
Density
4.2160g/cm3
Appearence

Strontium bromide appears as a white crystalline powder. It is hygroscopic, meaning it can absorb moisture from the air. When hydrated, it forms hexahydrate crystals which can appear more translucent.

Comment on solubility

Solubility of Strontium Dibromide (SrBr2)

Strontium dibromide, denoted as SrBr2, is an intriguing compound when it comes to its solubility properties. Here are some key points to consider:

  • Water Solubility: Strontium dibromide is known to be soluble in water. This solubility is largely due to the ionic nature of the compound, which allows it to dissociate into Sr2+ ions and Br- ions upon dissolution.
  • Solubility in Organic Solvents: Compared to its solubility in water, SrBr2 is generally less soluble in organic solvents. This reflects the polarity of the compound – it prefers polar solvents like water.
  • Temperature Dependence: The solubility of strontium dibromide tends to increase with temperature. Thus, higher temperatures can lead to a greater amount of the compound being dissolved.

Overall, the solubility of SrBr2 in water, coupled with its increasing solubility at elevated temperatures, makes it a compound of interest for various applications in chemistry. Remember, the degree of solubility can vary based on specific conditions such as temperature and concentration, making it essential to consider these factors in practical situations.

Interesting facts

Interesting Facts About Strontium Dibromide

Strontium dibromide, with the chemical notation SrBr2, is a fascinating compound that presents unique characteristics and applications, making it important in both chemistry and industry.

Key Characteristics

  • Formation and Reactions: Strontium dibromide is commonly formed through a reaction between strontium carbonate and hydrobromic acid, showcasing a typical acid-base reaction where the base (strontium carbonate) reacts with the acid (hydrobromic acid).
  • Uses in Industries: This compound is often utilized in pyrotechnics, where it lends a vibrant red color to fireworks. The strontium ions are responsible for this striking visual effect.
  • Biological Relevance: Strontium itself is often investigated for its role in bone health. While strontium dibromide does not have a direct application in biology, understanding strontium's interactions at a molecular level can provide insights into its potential use in medical applications.

Interesting Properties

One noteworthy aspect of strontium dibromide is its ionic bonding, which leads to specific lattice structures and attributes:

  • Ionic Compounds: Like many other halides, the ionic nature of SrBr2 results in high melting and boiling points, crucial for many chemical reactions.
  • Color and Light: The luminescent properties of strontium compounds, including strontium dibromide, make them significant for study in photonics and optoelectronics.

Fun Fact

Did you know that strontium is named after a Scottish village, Strontian? The discovery of strontium in the village during the early 19th century reflects the compound's heritage and connection to historical origins in the field of chemistry.

In summary, strontium dibromide is not just a chemical formula; it is an interesting compound with extensive applications, particularly in pyrotechnics, and offers exciting avenues for research in various scientific disciplines.

Synonyms
EINECS 233-969-5
UNII-1NG558X5VJ
1NG558X5VJ
DTXSID30897581
DTXCID001326928
233-969-5
strontium bromatum
strontium bromide
strontium bromide, anhydrous
Strontium bromide (SrBr2)
strontium;dibromide
MFCD00049548
Strontium bromide anhydrous powder
Strontiumbromid
SrBr2
Strontium bromide, ultra dry
SCHEMBL15366617
D95735