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62463 Sigma-Aldrich

Lithium bromide

purum p.a., ≥98.0% (dried material, AT), powder, crystals or chunks

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Properties

Related Categories Chemical Synthesis, Essential Chemicals, Inorganic Salts, Lithium, Lithium Salts,
InChI Key   AMXOYNBUYSYVKV-UHFFFAOYSA-M
grade   purum p.a.
assay   ≥98.0% (dried material, AT)
form   powder, crystals or chunks
loss   ≤2% loss on drying, 400 °C
mp   550 °C(lit.)
anion traces   sulfate (SO42-): ≤200 mg/kg
cation traces   Ca: ≤100 mg/kg
  Cd: ≤50 mg/kg
  Co: ≤50 mg/kg
  Cu: ≤50 mg/kg
  Fe: ≤50 mg/kg
  K: ≤100 mg/kg
  Na: ≤500 mg/kg
  Ni: ≤50 mg/kg
  Pb: ≤50 mg/kg
  Zn: ≤50 mg/kg

Description

Application

Lithium bromide (LiBr) may be employed as a catalyst in the following studies:
• Solvent-free dithioacetalization of (aromatic- and α,β-unsaturated) aldehydes.
• Synthesis of olefins, via condensation reaction of carbonyl compounds with active methylene compounds.
• Synthesis of β-amino alcohols, via ring opening reaction of epoxides with amines.

General description

Lithium bromide (LiBr) is a lithium salt. LiBr/Chlorotrimethylsilane reagent has been employed for the transformations of alcohols to bromides. LiBr/Ceric ammonium nitrate (CAN) reagent system has been used for the chemo- and regioselective bromination of aromatic compounds.

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Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
1
Protocols & Articles
Peer-Reviewed Papers
15

References

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