Characteristic

 

Rubidium chloride is the chemical compound with the formula RbCl. This alkali metal halide is composed of rubidium and chlorine, and finds diverse uses ranging from electrochemistry to molecular biology.

Chemical formula：RbCl

Molar mass：120.921 g/mol

Appearance：white crystals hygroscopic

Density：2.80 g/cm³ (25 °C);2.088 g/mL (750 °C)

Melting point：718 °C (1,324 °F; 991 K)

Boiling point：1,390 °C (2,530 °F; 1,660 K)

Solubility in water：77 g/100mL (0 °C);91 g/100 mL (20 °C);130 g/100 mL (100 °C)

Solubility in methanol：1.41 g/100 mL

Magnetic susceptibility (χ)：−46.0·10⁻⁶ cm³/mol

Refractive index (nD)：1.5322

 

Application

 

It is used in testing for perchloric acid in laboratories, and is a source of rubidium. Rubidium chloride is used as a catalyst and additive in petrol. It has been employed to prepare molecular nanowires for nanoscale devices. Thin layer of rubidium chloride enhance the attributes of organic light-emitting diodes. Rubidium chloride also plays an essential role for enhancement in the memory storage property. It is an excellent non-invasive biomarker, and used in biomedical research