The basic information
Rubidium Iodide; Rubidium jodatum; Rubidium-iodid; Rubidium iodide (RbI)
CAS: 7790-29-6
MDL: MFCD00011192
Molecular formula: RbI
Molecular weight: 212.37
SMILES: [Rb +]. [I -]
EINECS: 232-198-1
Solubility: solubility in water of (g / 100 gh ₂ O) : 7 ℃ was 137.5; 25 ℃ in 163..
Colorless cubic crystals or white crystalline powder. Soluble in water, alcohol, liquid ammonia, slightly soluble in acetone. Its water solution is neutral or slightly alkaline. Exposed to air and light easy to decompose, should avoid light and sealed storage. Solubility in water: 152 g/100 mL (17° C)
Density: 3.55
Melting point: 647 ℃
Boiling point: 1300 ℃
Dangerous properties
Safety: S22-S24/25-4
Chemical properties
In the presence of RbOH, rubidium iodide can be oxidized by chlorine to form rubidium iodide insoluble in water.
The preparation of
Rubidium iodide can be prepared by reaction of RbOH with HI.
Usage
Raw materials for rubidium metal and all kinds of rubidium salts, production of catalysts, miniature high-energy batteries and crystal scintillation counters. Medically used to treat syphilis.