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Potassium Iodide CAS 7681-11-0 Description:
- Product Name: Potassium Iodide
- Cas No: 7681-11-0
- EINECS No: 231-659-4
- Molecular Formula: KI
- Molecular Weight: 166
- Melting Point: 681 °C (lit.)
- Boiling Point: 184 °C(lit.)
- Density: 1.7 g/cm3
- Purity: 99%
- Appearance: White powder
- Package: according to the client’s requirement
- production Capacity: 1-1000 Metric Ton/Day
Potassium Iodide CAS 7681-11-0 is a colorless or white cubic crystal. Odorless, with a strong bitter and salty taste. The melting point is 681°C and the boiling point is 1330°C. Soluble in water, soluble in ethanol, methanol, acetone, glycerol, and liquid ammonia, and slightly soluble in ether. Its aqueous solution is neutral or slightly alkaline.
Structure, preparation, and properties:
Potassium iodide is an ionic compound, K + I −. This compound can be prepared industrially by reacting potassium hydroxide and iodine.
KI is an iodine source in organic synthesis. A useful application is the preparation of iodoaromatics from aromatic diazonium salts. For example:
In addition, potassium iodide as a kind of iodine source can also be used as a catalyst in nucleophilic substitution reaction , thereby enhancing the activity of chlorinated hydrocarbons, brominated hydrocarbons, or mesylate as nucleophilic substitution substrates.
In addition, potassium iodide test paper can check for the presence of O3.
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