202215
Sodium tetrafluoroborate
98%
Synonym(s):
Sodium fluoroborate
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About This Item
Linear Formula:
NaBF4
CAS Number:
Molecular Weight:
109.79
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
237-340-6
MDL number:
Assay:
98%
Form:
powder or crystals
Solubility:
water: soluble(lit.)
Quality Level
assay
98%
form
powder or crystals
solubility
water: soluble(lit.)
density
2.47 g/mL at 25 °C (lit.)
SMILES string
[Na+].F[B-](F)(F)F
InChI
1S/BF4.Na/c2-1(3,4)5;/q-1;+1
InChI key
KGJZTOFHXCFQIV-UHFFFAOYSA-N
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 as a catalyst for the synthesis of bis(indolyl)methanes via electrophilic substitution reaction of indoles with aldehydes and ketones. It may also be used as a source of tetrafluoroborate anoins during the synthesis of ionic liquids like 1-butyl-3-methylimidazolium tetrafluoroborate and trihexyl(tetradecyl)phosphonium tetrafluoroborate.
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.
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signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Skin Corr. 1B
Storage Class
8B - Non-combustible corrosive hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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Physical and electrochemical properties of 1-butyl-3-methylimidazolium bromide, 1-butyl-3-methylimidazolium iodide, and 1-butyl-3-methylimidazolium tetrafluoroborate.
Kim KS, et al.
Korean Journal of Chemical Engineering, 21(5), 1010-1014 (2004)
Highly efficient synthesis of bis (indolyl) methanes catalyzed by sodium tetrafluoroborate.
Kamble VT, et al.
Chin. J. Chem., 25(1), 13-15 (2007)
Industrial preparation of phosphonium ionic liquids.
Bradaric CJ, et al.
Green Chemistry, 5(2), 143-152 (2003)