Rubidium Chloride (RbCl) powder CAS ID 7791-11-9

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Unit Price︰

US $ 1300 / kg

Minimum Order︰

0.1 kg

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Product Description


RbCl powder, CAS: 7791-11-9

Purity: 99.5%, 99.9%

Powder size: -100 mesh e.t.c

Packing: seal in drum or bottle


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

Specific heat capacity (C): 52.4 J K−1 mol−1

Std molar entropy (So298): 95.9 J K−1 mol−1

Std enthalpy of formation (ΔfHo298): −435.


Rubidium chloride has been shown to modify coupling between circadian oscillators via reduced photaic input to the suprachiasmatic nuclei. The outcome is a more equalized circadian rhythm, even for stressed organisms.

RbCl is an excellent non-invasive biomarker. The compound dissolves well in water and readily be taken up by organisms. Once broken in the body, Rb+ replaces K+ in tissues because they are from the same chemical group. An example of this is the use of a radioactive isotope to evaluate perfusion of heart muscle.

RbCl transformation for competent cells is arguably the compound's most abundant use. Cells treated with a hypotonic solution containing RbCl expand. As a result, the expulsion of membrane proteins allows negatively charged DNA to bind.

RbCl has been used as an antidepressant in Europe under the trade name Rubinorm in doses ranging from 180 to 720 mg. Every 18 mg of RbCl is approximately equivalent to 1 Banana equivalent dose due to the large fraction (27.8%) of naturally occurring isotope Rubidium-87. It increases dopamine and norepinephrine levels and has stimulating effects, hence it is useful for anergic and apathetic depressives.


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specification︰ purity: 99.5%, 99.9%, powder size: -100 mesh e.t.c

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