Potassium Iodide Powder

Potassium Iodide Powder
Details
Product Name:Potassium Iodide powder
Synonyms:KI, Potassium Monoiodide, Kaliumiodid, Iodure de potassium, Pima, SSKI (Saturated Solution of Potassium Iodide)
Purity:≥99%
CAS Number:7681-11-0
Appearance:White to off-white crystalline powder
Main Function:Potassium iodide serves as a reliable source of iodide ions in pharmaceutical formulations, analytical chemistry (especially iodometric titrations), and industrial synthesis. It is widely used as a nucleophilic catalyst in organic reactions such as Sandmeyer-type alkylations. In nutritional applications, it functions as an essential mineral supplement for thyroid support when formulated under professional guidance.
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Product Details

Product Description

 

 

 

Potassium iodide powder is a high-purity inorganic compound widely used in pharmaceutical, nutritional, analytical and industrial applications. It appears as a white to off-white crystalline powder with good water solubility and stable physicochemical properties. As a reliable source of iodide ions, potassium iodide is valued for its consistent quality, easy formulation performance and broad compatibility with different production systems. It is commonly supplied for use in professional manufacturing, laboratory testing and controlled nutritional applications. When handled and stored properly, potassium iodide powder maintains stable quality and supports consistent batch performance. This product is intended for industrial, laboratory or professional formulation use, and should be applied according to relevant technical standards and regulatory requirements.

 

 

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COA

 

 

Item Detail
Product Name Potassium iodide powder
Cas No. 7681-11-0
Appearance White to off-white crystalline powder
Purity (KI content) ≥99.0% (on dried basis)
Iodate & Free Iodine (as IO₃) ≤0.01%
Loss on Drying 0.2%
pH (50 g/L solution, 25°C) 6.7
Heavy Metals (as Pb) ≤ 10 ppm
Total Plate Count ≤1,000 CFU/g
E. coli / Salmonella Negative

 

Functions and Effects

 

 

 

 

Potassium iodide mainly functions as a stable source of iodide ions, which play an important role in various professional formulations. In nutritional and pharmaceutical applications, it is commonly used as an iodine source to support normal thyroid function when formulated under appropriate specifications. In analytical chemistry, it is frequently applied in iodometric titrations and other standard testing methods due to its reliable reactivity. It can also act as a nucleophilic catalyst in certain organic reactions, helping to improve reaction efficiency in controlled industrial processes. Additionally, potassium iodide is used in specialized photographic, electronic and chemical synthesis applications. Its performance depends on purity, dosage form and application environment. All uses should follow applicable technical guidelines, safety standards and local regulatory requirements.

 

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Application Fields

 

Potassium iodide powder is widely applied in nutritional supplements, pharmaceutical preparations, analytical laboratories and industrial production. In the nutritional field, it is used as an iodine source in professionally formulated dietary supplements. In pharmaceutical manufacturing, it may be incorporated into tablets, solutions or other dosage forms under strict quality control. In laboratories, it serves as a reagent for iodometric analysis, standard solution preparation and chemical testing. It is also used in certain photographic processes, electronic material preparation and organic synthesis applications. For food and beverage fortification, its use must comply with local food additive regulations and permitted dosage limits. This product is suitable for B2B buyers, formulators, laboratories and manufacturers seeking a consistent iodide raw material. Proper storage in a dry, light-protected environment is recommended to maintain product stability.

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Business Scope

 

 

0421001

 

Packaging And Transportation Methods

 

 

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Certificationss

 

 

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FAQ

 

 

Q1:Can I use this product for thyroid protection during radiation emergencies?
A1: While potassium iodide is scientifically recognized for blocking radioactive iodine uptake by the thyroid, this product is not labeled or approved for emergency medical use. Only products specifically manufactured and regulated under national health authorities (e.g., FDA, EMA) should be used for radiological emergencies. Consult your healthcare provider or public health agency before any such application.
Q2:How should I dissolve potassium iodide powder for formulation?
A2:Dissolve in purified water at room temperature - it's highly soluble (~144g/100mL at 20°C). For sensitive formulations, use deionized water and prepare fresh daily to minimize oxidation. Avoid metal containers; use glass or plastic. If needed, add a small amount of sodium thiosulfate as a stabilizer to prevent iodine formation.
Q3:Can I mix potassium iodide with other supplements or chemicals?
A3:Exercise caution. Do NOT combine with strong oxidizers (e.g., hydrogen peroxide, bleach, nitrates) - violent reactions may occur. In nutritional blends, ensure compatibility with other minerals (especially iron or copper) to avoid precipitation or reduced bioavailability. Always conduct stability testing before final formulation.
Q4:Is potassium iodide safe for long-term storage?
A4: Yes, when stored correctly - sealed, dark, cool (<30°C), and dry - it remains stable for up to 24 months. Always check the COA for batch-specific expiry dates. Discard if clumping, strong odor, or deep yellow/brown color develops beyond acceptable limits.
Q5:What is the difference between food grade and pharmaceutical grade potassium iodide?
A5:Both grades meet high purity standards (≥99%), but pharmaceutical grade undergoes stricter testing for heavy metals, microbial limits, and endotoxins, making it suitable for direct human consumption in tablets or solutions. Food grade is ideal for fortifying salt, beverages, or animal feed where regulatory thresholds are slightly less stringent. Always verify the intended use with your local regulatory authority.
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Phone Number

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