Molekula
Potassium iodide
Potassium iodide is an inorganic compound used in radiation protection, thyroid blocking, and as a reagent in chemical synthesis. It appears as a white crystalline solid, highly soluble in water. CAS: 7681-11-0, Molecular formula: KI, Molecular weight: 166.00 g/mol, Storage: Ambient, Signal word: Danger. Molekula supplies Potassium iodide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Potassium iodide is an inorganic compound used in radiation protection, thyroid blocking, and as a reagent in chemical synthesis. It appears as a white crystalline solid, highly soluble in water. CAS: 7681-11-0, Molecular formula: KI, Molecular weight: 166.00 g/mol, Storage: Ambient, Signal word: Danger. Molekula supplies Potassium iodide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Conclusion | This grade complies with the British/European Pharmacopoeia (BP/Eur.Pharma.) and Unites States Pharmacopoeia (USP) specifications |
| Heavy metals | ≤10ppm |
| Loss on Drying | ≤0.4% |
| Assay | 99.0 - 101.5% |
| Appearance of Solution | (BP/Eur.Pharma) Complies with test |
| Iodate | ≤0.0004% |
| Alkalinity | (BP/Eur.Pharma) Complies with test |
| Iron (Fe) | ≤20.00ppm |
| Manufacture date | DD/MM/YYYY |
| Iodates | (BP/Eur.Pharma) Complies with test |
| Thiosulfates | (BP/Eur.Pharma) Complies with test |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 9 |
| Packing Group | III |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 7681-11-0 |
| Molecular Formula | KI |
| Molecular Weight | 166.00 |
| SMILES | [K]I |
| EC / UN Number | 3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 28276020 |
| Tariff Code | 2827600090 |
Safety & GHS
-
Explosive
GHS01
-
Flammable
GHS02
-
Toxic
GHS06
Hazard statements
- H303 May be harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- H361 Suspected of damaging fertility or the unborn child
- H372 Causes damage to organs through prolonged or repeated exposure
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P263 Avoid contact during pregnancy/while nursing
- P273 Avoid release to the environment
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
For research and industrial use only
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is potassium iodide used for?
Potassium iodide is primarily used in radiation protection to block radioactive iodine uptake by the thyroid gland, and also in pharmaceuticals and chemical synthesis.
What is the chemical formula and molecular weight of potassium iodide?
The chemical formula is KI and the molecular weight is 166.00 g/mol.
How should potassium iodide be stored?
Store at ambient temperature, protected from moisture and light.
What grade of potassium iodide does Molekula supply?
Molekula supplies potassium iodide in reagent grade.
Can Molekula supply potassium iodide in bulk?
Yes, Molekula can supply potassium iodide in bulk quantities upon request.
What documentation comes with a potassium iodide order?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.