Cesium hydroxide hydrate

CAS 12260-45-6HCsO · xH2OAcids & Bases

Cesium hydroxide hydrate (CAS: 12260-45-6), with the empirical formula HC O · xH₂O and a molecular weight of 149.91 g/mol (anhydrous basis), is a strong inorganic base. It is highly hygroscopic and readily absorbs carbon dioxide from the air. This compound is a crucial reagent in various chemical syntheses, particularly in organic chemistry and as a catalyst in certain reactions. Its properties make it valuable in materials science and the development of specialized chemical products.

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Cesium hydroxide hydrate (HCsO · xH2O) — chemical structure, CAS 12260-45-6; Chemistry, fine chemical supplied by Tech Serve Solutions

Acids & BasesBasesCesium SaltsChemical SynthesisEssential ChemicalsInorganic BasesMaterials ScienceMetal and Ceramic ScienceResearch EssentialsSalts

01 /Applications

Chemical Synthesis

Cesium hydroxide hydrate serves as a potent base and catalyst in a wide range of organic transformations. It is often employed in reactions requiring strong basic conditions, such as alkylations, condensations, and polymerizations.

Catalysis

Due to its high basicity and solubility, it is used as a catalyst in various industrial chemical processes. It facilitates reactions where a strong, non-nucleophilic base is beneficial for achieving high yields and selectivity.

Materials Science Research

This compound finds applications in materials science, contributing to the synthesis of novel materials and in research related to cesium-containing compounds. Its unique properties are explored for advanced material development.

Analytical Chemistry

Cesium hydroxide can be used as a reagent in specific analytical procedures, often as a titrant or a component in specialized chemical formulations. Its high purity grades are suitable for sensitive analytical applications.

02 /Properties

Molecular weight	149.91 (anhydrous basis)
Empirical formula	HCsO · xH2O
Assay	≥90%≥99.5% (metals basis)
Density	3.68 g/mL at 25 °C(lit.)
Impurities tested	≤5% Cs2CO3
Melting point	272 °C(lit.)

03 /Safety & handling

GHS hazard pictogram: Corrosive (GHS05) — Corrosive

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Danger

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.

04 /Identifiers & registry

CAS number

12260-45-6

MDL number

MFCD00149664

PubChem substance

24893066

05 /Quality & supply

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.

06 /Frequently asked questions

What is Cesium hydroxide hydrate used for?

Cesium hydroxide hydrate is primarily used as a strong base and catalyst in chemical synthesis, particularly in organic chemistry. It also finds applications in materials science research and specific analytical procedures.

What is the CAS number and formula for Cesium hydroxide hydrate?

The CAS number for Cesium hydroxide hydrate is 12260-45-6. Its empirical formula is HC O · xH₂O.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Cesium hydroxide hydrate with an assay of ≥90% or ≥99.5% (metals basis), and typically contains ≤5% Cs2CO3. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.

How should Cesium hydroxide hydrate be handled safely?

Cesium hydroxide hydrate is a dangerous substance that causes severe skin burns and eye damage (H314) and is harmful if swallowed (H302). Always wear appropriate personal protective equipment, including gloves, eye protection, and face shields. Handle in a well-ventilated area and follow all safety precautions outlined in the Safety Data Sheet.

How is Cesium hydroxide hydrate packed, shipped, and exported?

Cesium hydroxide hydrate is packed according to international shipping regulations for hazardous materials (UN 2682, Class 8, PG II). TSS exports this chemical globally, adhering to all relevant transport and customs requirements.

How can I request a sample or quote for Cesium hydroxide hydrate?

To request a sample or a quote for Cesium hydroxide hydrate, please contact our sales team through the website or by phone, providing your specific requirements and delivery details.