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20960 Sigma-Aldrich

Cesium carbonate

purum p.a., ≥98.0% (T)

Synonym: Carbonic acid dicesium

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Properties

Related Categories Acids & Bases, Bases, Chemical Synthesis, Inorganic Bases, Synthetic Reagents More...
InChI Key   FJDQFPXHSGXQBY-UHFFFAOYSA-L
grade   purum p.a.
assay   ≥98.0% (T)
loss   ≤2% loss on drying
mp   610 °C (dec.)(lit.)
anion traces   chloride (Cl-): ≤1000 mg/kg
  sulfate (SO42-): ≤500 mg/kg
cation traces   Ca: ≤50 mg/kg
  Cd: ≤50 mg/kg
  Co: ≤50 mg/kg
  Cu: ≤50 mg/kg
  Fe: ≤50 mg/kg
  K: ≤200 mg/kg
  Na: ≤250 mg/kg
  Ni: ≤50 mg/kg
  Pb: ≤50 mg/kg
  Zn: ≤50 mg/kg

Description

Application

Promotes the efficient O-alkylation of alcohols to form mixed alkyl carbonates.

Catalyst for:
aerobic oxidation of primary alcohols
1,4-addition reactions
Reagent for:
Synthesis of phosphazene derivatives
Constrictive binding interactions
Intramolecular C-N cross coupling reactions
Dehydrohalogenative polycondensation

Other Notes

Used for preparing cesium carboxylates which react with halogenides to give esters and lactones ; Used for an analogous preparation of thio ethers

Price and Availability


Laboratory Gloves

Cross-Coupling Guide
Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
2
RTECS 
FK9400000

Documents

Certificate of Analysis

Protocols & Articles

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Peer-Reviewed Papers
15

References

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