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198323 Sigma-Aldrich

Cesium fluoride

99%

Synonym: NSC 84270

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Properties

Related Categories Cesium, Cesium Salts, Chemical Synthesis, Deprotecting Reagents, Essential Chemicals,
InChI Key   XJHCXCQVJFPJIK-UHFFFAOYSA-M
assay   99%
mp   682 °C (lit.)
density   4.115 g/mL at 25 °C (lit.)

Description

Application

Reactant for:
• Preparation of building blocks for synthesis of fluoroallylic compounds
• Synthesis of alcohols via hydrolysis of alkyl silyl ethers at neutral pH in buffered mixed organic-aqueous solutions
• Nucleophilic fluorination of alkynyliodonium salts to form fluorovinylic compounds
• Nucleophilic aromatic substitution (SNAr) reactions

Used as a base in a Suzuki cross-coupling synthesis of ortho-substituted biaryls. Also employed as a reagent for nucleophilic fluorination of primary halides and sulfonates in protic media such as tert-butyl and tert-pentyl alcohols.

Packaging

25, 100 g in poly bottle

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Supplemental Hazard Statements 
Contact with acids liberates very toxic gas.
RIDADR 
UN 3288 6.1 / PGIII
WGK Germany 
2
RTECS 
FK9650000

Documents

Certificate of Analysis

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Certificate of Origin

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Protocols & Articles
Peer-Reviewed Papers
15

References

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