Rubidium bromide
Rubidium bromide (RbBr), CAS 7789-39-1, is an inorganic salt with a molecular weight of 165.37 g/mol. This white crystalline solid is soluble in water and serves as a valuable reagent in chemical synthesis and research applications. It is commonly employed as a source of rubidium ions in various chemical reactions and studies, contributing to the development of new materials and processes within academic and industrial laboratories.
- IUPAC
- Rubidium monobromide
- Synonyms
- Rubidium monobromide

Chemical Synthesis Reagent
Rubidium bromide is utilised as a key reactant in the synthesis of various rubidium-containing compounds and organometallic complexes. Its predictable reactivity makes it a reliable choice for chemists designing novel molecular structures and exploring new synthetic pathways.
Research and Development
In research settings, RbBr finds application in studies involving ionic conductivity, solid-state chemistry, and materials science. It acts as a fundamental component for investigating the properties of rubidium-based materials and their potential technological applications.
Spectroscopy Standards
Due to its well-defined chemical properties, rubidium bromide can be employed as a calibration standard in certain spectroscopic analyses. It helps ensure the accuracy and reliability of measurements involving rubidium or related elements.
| Molecular weight | 165.37 |
|---|---|
| Linear formula | RbBr |
| Assay | ≥99.0% (AT) |
| Grade | purum p.a. |
| Density | 3.35 g/mL at 25 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Cation traces | Ca: ≤50 mg/kgCd: ≤50 mg/kgCo: ≤50 mg/kgCu: ≤50 mg/kgFe: ≤50 mg/kgK: ≤5000 mg/kgNa: ≤100 mg/kgNi: ≤50 mg/kgPb: ≤50 mg/kgZn: ≤50 mg/kg |
| Anion traces | sulfate (SO42-): ≤500 mg/kg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Rubidium bromide used for?
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Rubidium bromide (RbBr) is primarily used as a reagent in chemical synthesis and in research and development for studies in materials science and spectroscopy.
What is the CAS number and formula for Rubidium bromide?
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The CAS number for Rubidium bromide is 7789-39-1 and its chemical formula is RbBr.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Rubidium bromide in a 'purum p.a.' grade with an assay of ≥99.0% (AT). TSS does not represent this product as USP, BP, or EP grade.
What are the safety and handling considerations for Rubidium bromide?
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Rubidium bromide is classified with WGK 2 in Germany. Appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or P1 (EN143) respirator filter, should be used. Avoid contact with skin and eyes, and ensure adequate ventilation.
How is Rubidium bromide packed, shipped, and exported?
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Rubidium bromide is carefully packed to ensure safe transit and is available for export globally by Tech Serve Solutions, a specialist supplier since 1998.
How can I request a sample or quote for Rubidium bromide?
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To request a sample or a quote for Rubidium bromide, please contact our sales team through the website or by phone, providing your specific requirements.
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