Cesium metal lump is an extremely active alkali metal with a silvery-white luster and a soft texture. It is commonly used in cutting-edge fields such as electron tube manufacturing, ion thrusters, vacuum electronics, chemical research, and optoelectronic materials. Its purity can reach over 99.985%, and strict storage and transportation requirements apply.
We offer high-purity cesium metal lump, custom packaging available, and comprehensive technical and safety support. If you have any questions regarding shipping or use, please feel free to contact us.
Purity: 99.9% to 99.985%
Highly reactive metal, highly reactive with air and water
Glass- or oil-sealed packaging available
Suitable for electronics, aerospace, chemical synthesis, and materials research
Optoelectronic Devices: Used as photocathodes in photovoltaic cells, infrared detectors, and night vision equipment.
Ion Thrusters: Used as ion sources in plasma propulsion systems.
Alloy Formation: Forms special alloys with metals such as gold, sodium, and mercury for low-temperature physics experiments. Catalyst Development: Used as a co-agent or basic promoter in highly selective organocatalytic reactions.
Research and Education: Used for research and teaching demonstrations of fundamental metal reaction mechanisms.
Each batch of product comes with a Certificate of Analysis (COA), Material Safety Data Sheet (MSDS), and special shipping and storage instructions. We support third-party purity testing required by our customers to ensure product performance and safety.
Molecular formula: Cs
Molecular weight: 132.91 g/mol
Appearance: Silvery-white metal, soft, with a metallic luster. It easily oxidizes and darkens.
Density: Approximately 1.873 g/cm³ (20°C)
Melting point: 28.5°C (melts near room temperature)
Crystal structure: Body-centered cubic (bcc)
Signal Word:
Danger
Hazard Statements:
H250 Catches fire spontaneously if exposed to air
H260 In contact with water releases flammable gases which may ignite spontaneously
H314 Causes severe skin burns and eye damage
Inner Packaging: Double-layer sealed plastic bags or aluminum foil bags for moisture and leakage protection.
Outer Packaging: Iron drum or fiber drum, depending on the weight, with reinforced sealed lid.
Hazard Packaging: UN-certified packaging compliant with regulations for hazardous materials transportation.
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