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71525 Sigma-Aldrich

Sodium tetrafluoroborate

puriss. p.a., ≥98.0% (T)

Synonym: Sodium fluoroborate

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Properties

Related Categories Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, Essential Chemicals, Puriss p.a.,
InChI Key   KGJZTOFHXCFQIV-UHFFFAOYSA-N
grade   puriss. p.a.
assay   ≥98.0% (T)
solubility   water: soluble(lit.)
density   2.47 g/mL at 25 °C (lit.)
anion traces   chloride (Cl-): ≤1000 mg/kg
  sulfate (SO42-): ≤500 mg/kg
cation traces   Ag: ≤5 mg/kg
  Al: ≤5 mg/kg
  Ba: ≤5 mg/kg
  Bi: ≤5 mg/kg
  Ca: ≤50 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  K: ≤100 mg/kg
  Li: ≤5 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Mo: ≤5 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Sr: ≤5 mg/kg
  Tl: ≤5 mg/kg
  Zn: ≤5 mg/kg

Description

General description

Sodium tetrafluoroborate (NaBF4) is colorless sodium salt and its crystals belong to the rhombic crystal system. It can be synthesized by reacting tetrafluoroboric acid with sodium carbonate or hydroxide.

Application

Sodium tetrafluoroborate may be used for the laboratory synthesis of boron fluoride. It may be used for the synthesis of fluoro-nucleic acids and fluoroheterocyclic compounds.

Other Notes

Reagent for the decomposition of silicates by fusion

Safety & Documentation

Safety Information

Symbol 
GHS05  GHS05
Signal word 
Danger
Hazard statements 
RIDADR 
UN 1759 8 / PGII
WGK Germany 
1

Documents

Certificate of Analysis

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Protocols & Articles
Peer-Reviewed Papers
15

References

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