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Catalog Number:
24751
CAS Number:
7681-11-0
Potassium iodide
Grade:
ACS reagent
Purity:
≥ 99% (Assay by titration)
Documents
$20.00 /25G
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Product Information

Potassium iodide is a versatile inorganic compound widely recognized for its applications in various fields, including pharmaceuticals, photography, and analytical chemistry. This white, crystalline salt is highly soluble in water, making it an excellent source of iodide ions. In the medical field, potassium iodide is used as a thyroid blocking agent in cases of nuclear emergencies, effectively preventing the uptake of radioactive iodine by the thyroid gland. Additionally, it serves as a vital supplement in iodine-deficient regions, promoting healthy thyroid function.

In photography, potassium iodide plays a crucial role in the production of silver iodide, which is essential for light-sensitive materials. Its use in analytical chemistry includes serving as a reagent in iodometric titrations, allowing for precise measurements of various substances. Potassium iodide's unique properties, such as its high solubility and ability to form stable complexes, make it an invaluable resource for researchers and industry professionals alike, ensuring reliable results in their applications.

CAS Number
7681-11-0
Purity
≥ 99% (Assay by titration)
Grade
ACS reagent
Molecular Formula
KI
Molecular Weight
166.0
MDL Number
MFCD00011405
PubChem ID
4875
Melting Point
680 °C (Approx.)
Appearance
Colorless or white powder
Conditions
Store at RT
General Information
CAS Number
7681-11-0
Purity
≥ 99% (Assay by titration)
Grade
ACS reagent
Molecular Formula
KI
Molecular Weight
166.0
MDL Number
MFCD00011405
PubChem ID
4875
Melting Point
680 °C (Approx.)
Appearance
Colorless or white powder
Conditions
Store at RT
Properties
Additional property information coming soon!
-
Safety and Regulations
Hazmat
No
Antibiotic
No
DEA-regulated
No
Warnings
-
Applications

Potassium iodide is widely utilized in research focused on:

  • Medical Applications: It is commonly used in the treatment of thyroid conditions, particularly in patients with hyperthyroidism or those undergoing thyroid surgery, as it helps to reduce thyroid hormone production.
  • Radiological Protection: In the event of a nuclear accident, potassium iodide can be administered to block the uptake of radioactive iodine by the thyroid gland, thereby reducing the risk of thyroid cancer.
  • Laboratory Reagents: This compound serves as a reagent in various chemical reactions and analytical methods, including iodometric titrations, which are essential for determining the concentration of oxidizing agents.
  • Food Industry: It is used as a nutritional supplement in iodized salt and animal feed to prevent iodine deficiency, which is crucial for maintaining healthy thyroid function in humans and livestock.
  • Photography: Potassium iodide is employed in the production of photographic films and papers, where it acts as a light-sensitive agent, enhancing image quality and clarity.

Citations