Product Description:
Rubidium hydroxide (RbOH) is a strong alkali metal hydroxide. It is a highly corrosive and hygroscopic solid, typically appearing as a white or grayish-white crystalline material. Rubidium hydroxide is one of the strongest known bases and reacts exothermically with water and acids. Due to its high reactivity and cost, its applications are more specialized compared to other common hydroxides like sodium hydroxide or potassium hydroxide. It is primarily used in research, specialty glass manufacturing, and as a catalyst in certain organic reactions.
Product Properties:
Property
Value
Chemical Name
Rubidium hydroxide
Chemical Formula
RbOH
CAS Number
1310-82-3
Molecular Weight
102.48 g/mol
Appearance
White to grayish-white crystalline solid
Melting Point
Approx. 301 °C (decomposes on further heating)
Boiling Point
Approx. 1390 °C (decomposes)
Density
Approx. 3.2 g/cm³
Solubility
Highly soluble in water (exothermic reaction); soluble in ethanol
Key Characteristics
Strong base, highly corrosive, hygroscopic
Primary Use
Research, specialty glass, catalyst
Product Usage:
Specialty Glass Manufacturing:
Optical Glass & Fiber Optics: Used in small quantities to modify the refractive index and improve the stability and durability of specialty glasses and fiber optic components. For example, in lenses for specific optical applications.
Catalysis:
Organic Synthesis: Acts as a strong base catalyst in various organic reactions, such as esterification or transesterification, where a highly alkaline environment is required.
Research and Development:
Electrolyte in Batteries: Investigated for use as an electrolyte component in certain types of batteries and fuel cells due to its high ionic conductivity. For instance, in experimental rubidium-ion batteries.
Scientific Studies: Used in various chemical and physical research applications requiring a strong inorganic base or a source of rubidium ions.
Other Niche Applications:
Preparation of Rubidium Salts: Serves as a precursor for synthesizing other rubidium compounds.
Scintillation Counters: Historically, some rubidium compounds derived from RbOH have been used in scintillation counters.
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