Potassium iodate
General Product Information
| Article | Potassium iodate |
| Synonyms | Lodic acid, Potassium salt |
| CAS No. | 7758-05-6 |
| EEG No. | – |
| EINECS No. | 231-831-9 |
| IMO | Class 5.1 |
| Tariff Code | 28299080 |
| UN No. | 1479 |
| VLG/ADR | Class 5.1, Packing Group II |
Description
Potassium iodate is a white, crystalline, inorganic compound belonging to the group of iodates. It is a strong oxidizing agent widely used in various industrial applications. Potassium iodate is soluble in water and stable at room temperature. It is known for its ability to release iodine under reductive conditions, making it valuable in the food, pharmaceutical and chemical industries, among others.
Characteristics
- Odor: –
- Hygroscopic: –
- Color: White.
- Grade: Food (FCC).
- Solubility: Highly soluble in water, insoluble in alcohol.
- Taste: –
- Shape: Crystals or powder.
Physical & Chemical Properties
| Chemical Structure | KIO3 |
| Molar Weight | 214.00 g/mol |
| Melting Point. | Approx. 560 °C (with decomposition) |
| Boiling Point | – |
| Density | – |
| Refractive Index | – |
| pH | Approx. 5-6 (at 5% solution). |
Applications
Potassium iodate is applied in various ways, for instance:
1. Food Industry
Added to table salt as an iodine source to prevent iodine deficiency at the population.
2. Pharmaceutical Industry
In iodine tablets provided at nuclear incidents to block the uptake of radioactive iodine in the thyroid gland.
3. Industrial Chemistry
Used at dye synthesis and as an oxidizing agent in organic chemistry.
4. Water Treatment
Sometimes used for disinfection or oxidation processes.
5. Analytical Chemistry
Used as an oxidizer in titrations and laboratory applications.
Interessing Links
- Codex Alimentarius (FAO/WHO) – Guidelines and standards for food additives and ingredients.
- European Chemicals Agency (ECHA) – For chemical information and regulations.
- European Food Information Council (EFIC)
- European Food Safety Authority (EFSA) – Information on the safety and uses of food additives and ingredients.
- Food Chemicals Codex (FCC).
- PubChem – Potassium Iodate – Chemical information by the National Library of Medicine of the National Center for Biotechnology Information (NIH-NCBI).
- Wikipedia – Potassium iodate