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Cesium
Cesium Fluoride 99.9

Formula : CsF
CAS-No. : 13400-13-0
Appearance : colourless, crystalline and hygroscopic powder
Formula weight 151.90
Bulk density : 4.64 kg/l
Melting point : 703C
Solubility : 573 g CsF in 100 g H2O at 25C
Chemical analysis


Li

 

Max.

5

ppm

Na

 

Max.

150

ppm

K

 

Max.

150

ppm

Rb

 

Max.

500

ppm

Ca

 

Max.

50

ppm

Mg

 

Max.

5

ppm

Ba

 

Max.

50

ppm

Al

 

Max.

5

ppm

Fe

 

Max.

5

ppm

Sr

 

Max.

5

ppm

Cr

 

Max.

5

ppm

Pb

 

Max.

5

ppm

SO4

 

Max.

100

ppm

SiO2

 

Max.

50

ppm

Applications Cesium fluoride is a fluorination agent for halide exchange reactions. It is a versatile base in organic synthesis and can be used in e.g. in polymerisation reactions or in brazing fluxes.
Safety and handling Because of its hygroscopicity cesium fluoride should be stored in tightly closed containers. Handling in moist air should be avoided. Safe handling requires the safety precautions typical for inorganic fluorides. Thus, eyes or skin should not be exposed to cesium fluoride, otherwise severe
irritation may result. Ingestion must be avoided because of the toxicity of fluoride.
Packaging Polyethylene bottles or bags in drums
Cesium product range acetate
bicarbonate
bromide
carbonate
chloride
fluoride
hydrogen carbonate
hydroxide, aqueous solution or monohydrate
iodide
nitrate
sulfate