Iodide

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Identification

Molecular formula
I-
CAS Number
20461-54-5
IUPAC Name
iodide
Molecular Weight
126.90g/mol
Melting Point
(Celsius)
Boiling Point
(Celsius)
Density
4.9300g/cm3
Synonyms
Iodide
Interesting facts

Interesting Facts About Iodide

Iodide refers to an ion of iodine with a charge of -1, playing a significant role in various chemical and biological processes. Here are some fascinating aspects of iodide:

  • Essential Nutrient: Iodide is crucial for human health, as it is essential for the synthesis of thyroid hormones such as thyroxine (T4) and triiodothyronine (T3). These hormones regulate metabolism, growth, and development.
  • Sources: Common dietary sources of iodide include iodized salt, seaweed, dairy products, and fish. A deficiency in iodide can lead to health issues like goiter and hypothyroidism.
  • Industrial Applications: Iodides are used in various industrial applications, including photography, several disinfection processes, and as catalysts in certain chemical reactions.
  • Antiseptic Properties: Iodide exhibits antiseptic properties, making it a valuable component in certain disinfectants and antiseptic solutions. It is often used in surgical scrubs and wound treatments to prevent infection.
  • Detection in Chemistry: Iodide ions are often used as indicators in titrations and chemical analyses due to their distinct color change when they react with certain substances.
  • Environmental Impact: Iodide can be found in various environmental settings, particularly in oceans and sea spray, highlighting its natural abundance and importance in ecological systems.

In summary, iodide is not just a chemical species but a vital element tied to health, industry, and the environment. Its multifaceted roles underscore the interconnectedness of chemistry and biology.

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