Product Information
General Information
Description
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.
FAQ
Frequently Asked Questions (FAQ)
Q1: What is Potassium Iodide?
A: Potassium Iodide is an inorganic salt with CAS No. 7681-11-0, molecular formula KI, and molecular weight 166.00 g/mol.
Q2: What is Potassium Iodide used for?
A: Potassium Iodide is used as an iodide source, analytical reagent, synthetic reagent, fluorescence quencher, and materials additive, including applications in perovskite solar-cell research.
Q3: What is the molecular formula of Potassium Iodide?
A: The molecular formula is KI.
Q4: What is the molecular weight of Potassium Iodide?
A: The molecular weight is 166.00 g/mol. NIST reports 166.0028 g/mol.
Q5: Is Potassium Iodide soluble in water?
A: Yes. Potassium Iodide is highly soluble in water; commercial specifications report approximately 1,430 g/L at 25°C.
Q6: Is Potassium Iodide used in perovskite solar cells?
A: Yes. KI is used as an additive in perovskite solar-cell and perovskite LED research, where K⁺ and I⁻ can contribute to defect passivation and material stabilization.
Q7: Is Potassium Iodide used for fluorescence quenching?
A: Yes. Iodide ions can act as collisional fluorescence quenchers, and Potassium Iodide is used for fluorescence quenching studies.
Q8: What purity grades of Potassium Iodide are available?
A: Depending on the application, Potassium Iodide is available in ACS reagent, biochemical, trace-metal, and ultra-high-purity grades, including ≥99.0%, ≥99.99%, and 99.995% grades.
