7791-11-9

Basic information

• Product Name: Rubidium chloride
• Synonyms: RUBIDIUM CHLORIDE;RbCl;Rubidium chloride (RbCl);Rubidium monochloride;Rubidiumchloridewhitextl;RUBIDIUM CHLORIDE, ANHYDROUS, BEADS, -10 MESH, 99.5%;RUBIDIUM CHLORIDE, FOR MOLECULAR BIOLOGY;RUBIDIUM CHLORIDE, 99+%
• CAS NO: 7791-11-9
• Molecular Formula: ClRb
• Molecular Weight: 120.92
• EINECS: 232-240-9
• Product Categories: Inorganics;Crystal Grade Inorganics;ReagentsSynthetic Reagents;RubidiumBiochemicals and Reagents;Salts of Alkali Metals;AlphabeticalMolecular Biology;Biochemicals and Reagents;BioUltraMolecular Biology;Density Gradient;DNA&RNA Purification;Molecular Biology Reagents;Rubidium Salts;RubidiumMetal and Ceramic Science;Inorganic Salts;Salts;Synthetic Reagents;Rubidium;metal halide;Chemical Synthesis;Inorganic Salts;Materials Science;Metal and Ceramic Science;Rubidium Salts;Synthetic Reagents
• Mol File: 7791-11-9.mol
• Article Data: 0

Chemical Properties

• Melting Point: 715 °C(lit.)
• Boiling Point: 1390 °C
• Flash Point: 1390°C
• Appearance: White/beads
• Density: 2.8 g/mL at 25 °C(lit.)
• Vapor Pressure: 33900mmHg at 25°C
• Refractive Index: 1.493
• Storage Temp.: Store at R.T.
• Solubility: H2O: 1 M at 20 °C, clear, colorless
• Water Solubility: 910 g/L (20 ºC)
• Sensitive: Hygroscopic
• Stability: Stable. Incompatible with bromine trifluoride, strong acids. Hygroscopic - protect from moisture.
• Merck: 14,8284
• CAS DataBase Reference: Rubidium chloride(CAS DataBase Reference)
• NIST Chemistry Reference: Rubidium chloride(7791-11-9)
• EPA Substance Registry System: Rubidium chloride(7791-11-9)

Safety Data

• Safety Statements: 22-24/25
• WGK Germany: 2
• RTECS: VL8575000
• F: 3
• TSCA: Yes
• Hazardous Substances Data: 7791-11-9(Hazardous Substances Data)

Usage

Description

Rubidium chloride is an alkali metal halide composed of rubidium and chlorine, known for its diverse applications across various fields.

Uses

Used in Pharmaceutical Industry:
Rubidium chloride is used as an antidepressant for increasing dopamine and norepinephrine levels, with its effects also related to the stimulation of nitric oxide generation.
Used in Chemical Synthesis:
Rubidium chloride is used in the preparation of rubidium metal and various rubidium salts, which are essential for different chemical processes.
Used in Biomedical Research:
Rubidium chloride serves as an excellent non-invasive biomarker and is utilized for tracing biological processes, such as measuring coronary collateral blood flow, and for the preparation of competent cells in molecular cloning.
Used in Laboratory Testing:
Rubidium chloride is used for testing perchloric acid and as a source of rubidium in laboratory settings.
Used in Petrochemical Industry:
Rubidium chloride is used as an additive to gasoline to improve its octane number and as a catalyst in the petrochemical industry.
Used in Nanotechnology:
Rubidium chloride has been employed in the preparation of molecular nanowires for nanoscale devices.
Used in Electronics:
A thin layer of rubidium chloride enhances the attributes of organic light-emitting diodes, contributing to the performance of electronic devices.
Used in Memory Storage:
Rubidium chloride plays an essential role in enhancing memory storage properties, making it valuable in the development of advanced memory storage technologies.

Preparation

Rubidium chloride is prepared by adding hydrochloric acid to a solution of rubidium carbonate or hydroxide. The solution is evaporated to obtain welldefined colorless cubic crystals of rubidium chlorideRbOH + HCl → RbCl + H2ORb2CO3 + 2HCl → 2RbCl + H2O + CO2

References

[1]Zhen-Yu, L. I., X. U. Kai-Lin, and X. Y. Pan. "Rubidium chloride method for the preparation of competent E. coli cells." Acta Academiae Medicinae Xuzhou (2004). [2]Bernard, Jean Rene, and Jean Nury. "Method of dehydrocyclizing aliphatic hydrocarbons." U.S. Patent No. 4,104,320. 1 Aug. 1978. [3]Quattlebaum, F. W., R. F. Edlich, and C. W. Lillehei. "Measurement of coronary collateral blood flow using radioactive rubidium chloride." Surg Gynecol Obstet 129.5(1969):1034-1038. [4]Kordjazy, Nastaran, et al. "Elevated level of nitric oxide mediates the anti-depressant effect of rubidium chloride in mice." European journal of pharmacology 762 (2015).

Purification Methods

Crystallise it from water (0.7mL/g) by cooling to 0o from 100o. Its solubility in H2O is 77.3% at 0.6o, 90.3% at 70o and 147% at boiling point. [D.nges in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol I p 951-955 1963.]

InChI:InChI=1/ClH.Rb/h1H;/q;+1/p-1