Rubidium Chloride
Basic information
- CAS
7791-11-9- Standard SMILES
[Cl-].[Rb+]- InChIKey
FGDZQCVHDSGLHJ-UHFFFAOYSA-M- Molecular formula
- ClRb
- Average molar mass
- 120.92 g/mol
- Monoisotopic mass
- 119.8806424
Overview
Rubidium chloride is an inorganic chloride composed of rubidium and chloride ions in a 1:1 ratio. It has a role as a NMR chemical shift reference compound, an antidepressant and a biomarker. It is an inorganic chloride and a rubidium molecular entity.
Names & identifiers
- Preferred name
- Rubidium Chloride
- IUPAC
- rubidium(1+) chloride
- English name
- Rubidium chloride
- Molecular formula
- ClRb
- Molecular weight
- 120.92
Names & synonyms
RUBIDIUM CHLORIDE7791-11-9Rubidium monochlorideRubidium chloride (RbCl)N3SHC5273SRubidium MuriaticumDTXSID5064881NSC-84273CHEBI:78672RefChem:883933DTXCID6048090232-240-9
Show more names
Rubidium chLRubidiumChlorideGrRubidium chloride 99%rubidium(1+) chloride
RubidiumchlorideRbClrubidium(1+);chlorideClRbrubidium(I) chlorideMFCD00011187NSC 84273rubinorm
Database identifiers
- CAS
7791-11-9- PubChem CID
- 62683
- DTXSID
DTXSID5064881- ChEMBL
CHEMBL2110557- ChEBI
CHEBI:78672- UNII
- N3SHC5273S
- EC Number
- 232-240-9
- Nikkaji
- J43.978I
Properties
Computed structural properties
- Topological polar surface area
- 0 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 1
- Rotatable bonds
- 0
- Heavy atoms
- 2
- Formal charge
- 0
- Complexity
- 2
Experimental & physicochemical properties
Chemical ClassesMetals -> Metals, Inorganic Compounds
SpringerMaterials Propertiesdielectric constant
Density2.76 @25 °C
Boiling Point1390 °C @760 [mm Hg]
Melting Point718 °C
Physical DescriptionWhite solid; [Merck Index] White odorless crystals; Hygroscopic; [Alfa Aesar MSDS]
Physicochemical properties
- Melting point
- 715 °C · 715 °C (lit.)
- Boiling point
- 1390 °C · 1390 °C
- Density
- 2.8 g/mL · 2.8 g/mL at 25 °C (lit.)
- bulk density
- 1000 · 1000-1200kg/m3
- refractive index
- 1.493 · 1.493
- Flash point
- 1390 °C · 1390°C
- storage temp.
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
GHS classification
GHS Classification
This chemical does not meet GHS hazard criteria for 99.4% (153 of 154) of all reports.
Not Classified
Aggregated GHS information provided per 154 reports by companies from 2 notifications to the ECHA C&L Inventory.
Hazard information
Regulatory Information
Chemical: Rubidium chloride (RbCl)
Rubidium chloride: Non hazardous
Other Safety InformationEvaluation - Chemicals that are unlikely to require further regulation to manage risks to human health
Hazards Summary
Causes spastic paralysis, somnolence, and convulsions in intraperitoneal lethal-dose studies of rats; Causes changes in recordings from specific areas of the CNS, changes in spleen weight, and effects on true cholinesterase in 31-week constant oral studies of rats; [RTECS] May cause irritation; [Alfa Aesar MSDS] See Rubidium.
Hazard Classes and CategoriesNot Classified
Safety & protection
Protective Action Criteria (PAC)
2.6 [mg/m3]
30 [mg/m3]
180 [mg/m3]
Toxicology
Adverse EffectsNeurotoxin - Other CNS neurotoxin
Chemistry & industry
Uses & manufacturing
UsesUsed as a catalyst and gasoline additive; Has been used as an antidepressant; [Merck Index]
General Manufacturing InformationRubidium chloride (RbCl): ACTIVE
Applications
DescriptionRubidium chloride (7791-11-9) is a kind of alkali metal halide consisting of rubidium and chlorine. It has applications in various kinds of fields. It can be used as a gasoline additive and an excellent non-invasive biomarker. For example, it can be used as a radioactive isotope to trace many kinds of biological processes such as measuring the coronary collateral blood flow. It can also be used for the preparation of competent cells in molecular cloning. In addition, it is a kind of antidepressant which is capable of increasing the dopamine and norepinephrine levels. The effect is also related with the stimulation of rubidium chloride on the generation of nitric oxide.
UsesRubidium chloride is used in preparing rubidium metal and many rubidium salts. Also, it is used in pharmaceuticals as an antidepressant and as a density-gradient medium for centrifugal separation of viruses, DNA, and large particles. Other applications are as an additive to gasoline to improve its octane number and as a catalyst.
UsesIt 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.
Preparation methods
PreparationRubidium 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
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