Chlorek cezu - CsCl - klasa analityczna p.a [nr CAS 7647-17-8] - 5g

Cesium Chloride
Other Names: CsCl, Caesium chloride
CAS Number: 7647-17-8
Sum Formula: CsCl
Molar Mass: 168.36 g/mol
Appearance: White crystalline solid

Cesium chloride is a high-purity, water-soluble inorganic salt composed of cesium and chlorine. It is commonly used in molecular biology, chemical analysis, and density gradient centrifugation, especially for the separation of nucleic acids.

Chemical and Physical Properties

• Density: 3.99 g/cm³

• Melting Point: 645°C

• Boiling Point: 1,297°C

• Solubility in Water: Highly soluble (1,860 g/L at 25°C)

• Solubility in Other Solvents: Slightly soluble in alcohol

• Odor: Odorless

• Crystal Structure: Cubic

• Hygroscopic: Yes (absorbs moisture from air)

Applications

• Analytical Chemistry: Used in density gradient centrifugation for DNA and RNA separation.

• Molecular Biology: Employed in the preparation of isopycnic gradients.

• Radiochemistry: Acts as a matrix material for cesium-137 radiation sources.

• Optics and Electronics: Used in crystal growth and specialized optical applications.

• Geophysics and Drilling Fluids: Utilized in high-density drilling muds and as a source of cesium ions.

Safety

Signal Word: Warning

Handling and Storage

• Storage Conditions: Store in a tightly sealed container in a dry, cool, and well-ventilated place.

• Handling Precautions: Avoid generation of dust and contact with eyes. Use suitable personal protective equipment (PPE). Work in a fume hood if dust or aerosols are generated.