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Bromide

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Identification
Molecular formula
Br-
CAS number
24959-67-9
IUPAC name
bromide
State
State

Bromide, in its typical salt form such as sodium or potassium bromide, is solid at room temperature. These salts are generally crystalline and highly soluble in water.

Melting point (Celsius)
755.00
Melting point (Kelvin)
1 028.15
Boiling point (Celsius)
1 390.00
Boiling point (Kelvin)
1 663.15
General information
Molecular weight
79.90g/mol
Molar mass
79.9040g/mol
Density
3.1190g/cm3
Appearence

Bromide ion, Br-, is typically encountered as a transparent or white crystalline material when in compound form, such as sodium bromide (NaBr) or potassium bromide (KBr). These bromide salts are usually highly soluble in water, resulting in clear, colorless solutions.

Comment on solubility

Solubility of Bromide (Br-)

Bromides, denoted by the bromide ion (Br-), are generally soluble in water. This solubility is influenced by several factors:

  • Hydration Energy: The ability of bromide ions to interact with water molecules enhances their solubility due to the strong hydration energy they release.
  • Common Bromide Salts: Many bromide salts, such as sodium bromide (NaBr) and potassium bromide (KBr), are highly soluble. This makes them useful in various applications, including photography and medicine.
  • Exceptions: While most bromides are soluble, some, such as those of silver (AgBr) and lead (PbBr2), exhibit limited solubility. This is due to the formation of insoluble complexes.

In summary, the solubility of bromide ions is generally high in aqueous solutions, with specific exceptions for certain metal salts. Their behavior in water is a key characteristic that merits consideration in chemical reactions and applications.

Interesting facts

Interesting Facts about Bromide (Br-)

Bromide, represented as Br-, is a fascinating anion that plays a significant role in various chemical reactions and applications. Here are some key insights into this interesting compound:

  • Electrolytic Behavior: Bromide is known for being a strong electrolyte when dissolved in an aqueous solution, allowing it to conduct electricity efficiently.
  • Biological Importance: Bromide ions are found within the human body and can influence neurophysiological processes. They have been studied for their potential effects on the central nervous system.
  • Industrial Applications: This anion is widely used in several industries, including:
    • Pharmaceuticals: Bromide compounds are used in sedatives and anticonvulsants.
    • Water Treatment: Bromides serve as disinfectants, especially in swimming pools as an alternative to chlorine.
    • Photography: In traditional photography, bromide compounds were essential for the development of film.
  • Formation of Complexes: Bromide can form complexes with various metal ions, enhancing the solubility and stability of certain chemical reactions.
  • Environmental Considerations: While bromide is useful, it can also be subject to environmental scrutiny. For example, its transformation into brominated organic compounds can be hazardous, highlighting the need for careful monitoring.

As emphasized by chemists, "Understanding bromide's behavior and interactions can unlock potential benefits in both science and industry." Its versatile properties make it a compound worth studying further!


Synonyms
bromide
bromide ion
24959-67-9
Bromide ions
Inorganic bromides
Bromide (Br-)
bromide(1-)
Caswell No. 499D
bromine anion
Bromide Anion
Br-
UNII-952902IX06
EPA Pesticide Chemical Code 053200
Br(-)
BROMINE, ION (BR1-)
952902IX06
DTXSID6043967
CHEBI:15858
HYDROBROMIC ACID, ION(1-)
Bromide - Br(-) @1000microg/mL
Bromide (from KBr) Standard: Br- @ 1000 microg/mL in H2O
Bromide (from NH4Br) Standard: Br- @ 10000 microg/mL in H2O
Bromine ion
Bromine, ion
Br?
1d2v
CHEMBL11685
3-Carbamoyl-1-(3-phenyl-propyl)-pyridinium bromide
DTXCID4023967
BDBM26980
Bromide (from KBr) Standard: Br- @ 10000 microg/mL in H2O
MFCD00134172
3-Acetyl-1-benzyl-pyridinium bromide
3-Carbamoyl-1-dodecyl-pyridinium bromide
C01324
Q31208886
6XY