ALKALI METAL
Cesium
CsCesium is the most electropositive and most alkaline element. It is the primary element used in the SI definition of the second via cesium atomic clocks. Beyond timekeeping, cesium compounds are critical in oil and gas drilling fluids, and cesium ion engines are used in deep-space propulsion.
Product Specifications
PURITY99.9% – 99.99%
FORMAmpoule, Metal, Chloride, Formate
Physical Properties
Atomic Number55
Atomic Weight132.905 g/mol
Melting Point28.4°C
Density1.93 g/cm³
Applications
Atomic Clocks, Oil Drilling, Ion Propulsion, Medical
Energy
Aerospace
Telecommunications
Medical
Available Grades
99.9% (3N)
99.98% (4N)
99.99% (4N) Optical Grade
Key Use Cases
1.Cesium atomic clocks (SI second definition)
2.Cesium formate drilling fluids for oil/gas
3.Ion propulsion engines for spacecraft
4.Medical imaging (cesium iodide scintillators)
Live Market Price
Real-time price from an independent market data source. Alixyz does not display prices — we refer you to the most reliable source.
VIEW LIVE MARKET PRICE →Key Properties
- Defines the SI second (atomic clock standard)
- Most electropositive element
- Lowest melting point of all metals (28.4°C)
- Excellent for ion propulsion
Supply Information
MINIMUM ORDER10 g
SOURCING REGIONS
CanadaZimbabweNamibiaAustralia
Certifications
ISO 9001:2015
REACH Compliant
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QUALITY GUARANTEEISO 9001:2015 Certified
GLOBAL NETWORKReliable supply chain worldwide
SUSTAINABLE FUTUREResponsible sourcing and operations
CONTACT USinfo@alixyz.ch