Cesium hydroxide monohydrate
Cesium hydroxide monohydrate (CAS 35103-79-8) is a strong inorganic base with the empirical formula HCsO · H₂O and a molecular weight of 167.93 g/mol. As a highly alkaline and corrosive compound, it is primarily utilised in chemical synthesis as a catalyst and reagent. It is also employed in the production of other cesium compounds and in specialised laboratory applications requiring a potent base.
Catalysis in Organic Synthesis
Cesium hydroxide monohydrate serves as a strong base catalyst in various organic reactions, including esterifications, transesterifications, and alkylations. Its high solubility in organic solvents and tunable basicity make it a valuable tool for promoting specific chemical transformations.
Synthesis of Cesium Compounds
It is a key precursor for synthesising a range of other cesium salts and organometallic compounds. These derivatives often find applications in catalysis, materials science, and specialised chemical formulations.
Laboratory Reagent
In research and development laboratories, cesium hydroxide monohydrate is used as a strong base for pH adjustment and in analytical procedures. Its high purity is often critical for precise experimental outcomes.
Materials Science Applications
This compound can be involved in the synthesis of advanced materials, such as zeolites and certain polymers, where its properties as a strong base and source of cesium ions are beneficial.
| Molecular weight | 167.93 |
|---|---|
| Empirical formula | HCsO · H2O |
| Assay | ≥95.0% (T) |
| Density | 3.68 g/mL at 25 °C(lit.) |
| Impurities tested | ~5% cesium carbonate |
| Melting point | 272 °C(lit.) |
Hazard statements
- H302Harmful if swallowed
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2682 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 22-35 |
| Safety statements (S) | 26-36/37/39-45 |
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 Cesium hydroxide monohydrate used for?
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Cesium hydroxide monohydrate is used as a strong inorganic base in chemical synthesis, particularly in catalysis for organic reactions like esterifications and alkylations. It also serves as a precursor for other cesium compounds and in specialised laboratory applications.
What is the CAS number and formula for Cesium hydroxide monohydrate?
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The CAS number is 35103-79-8 and the empirical formula is HCsO · H₂O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Cesium hydroxide monohydrate with an assay of ≥95.0% (T). This product is not specified as USP, BP, EP, or pharmacopoeia grade and is intended for technical and research applications.
How should Cesium hydroxide monohydrate be handled safely?
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Cesium hydroxide monohydrate is a Danger hazard. It causes severe skin burns and eye damage (H314) and is harmful if swallowed (H302). Appropriate personal protective equipment, including eyeshields, face shields, gloves, and suitable respiratory protection (e.g., N100 or P3 filters), must be worn. Handle only in well-ventilated areas or under a fume hood.
Is Cesium hydroxide monohydrate a controlled substance?
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The provided data does not indicate that Cesium hydroxide monohydrate is a controlled substance.
How is Cesium hydroxide monohydrate packed and shipped?
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Cesium hydroxide monohydrate is shipped as UN 2682, a corrosive material (Class 8), Packing Group II. Packaging complies with regulations for the safe transport of hazardous chemicals.
How can I request a quote or sample of Cesium hydroxide monohydrate?
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To request a quote or sample, please contact our sales team through the website or by phone. Provide the product name, CAS number, and desired quantity for efficient processing.
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