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Sodium tetrafluoroborate

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Products Intro: Product Name:Sodium tetrafluoroborate
Purity:98% Package:17/KG
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Products Intro: CAS:13755-29-8
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Sodium tetrafluoroborate Basic information
Description Preparation Applications
Product Name:Sodium tetrafluoroborate
Synonyms:SODIUMFLUOBORATE,TECHNICAL;Sodium tetrafluoroborate 98%;Natriumtetrafluoroborat;Borate, tetrafluoro-, sodium;Sodium tetrafluoroborate,98%,extra pure;Sodium tetrafluoroborateSodium fluoborate;Sodium boron fluoride;Sodium tetrafluroborate
Product Categories:Inorganic Chemicals;Inorganics;-;halometallate salts;Fluoride;resin finishing catalyst in printing
Mol File:13755-29-8.mol
Sodium tetrafluoroborate Structure
Sodium tetrafluoroborate Chemical Properties
Melting point 384 °C
density 2.47 g/mL at 25 °C(lit.)
storage temp. Store below +30°C.
solubility water: soluble(lit.)
form Powder, Crystals or Needles
Specific Gravity2.47
color White to yellow to beige to brown
Water Solubility 108 g/100 mL (26 ºC)
Sensitive Hygroscopic
Merck 14,8617
Stability:Moisture sensitive; do not store in glass (though the completely dry material does not etch glass). Incompatible with strong oxidizing agents.
CAS DataBase Reference13755-29-8(CAS DataBase Reference)
EPA Substance Registry SystemBorate(1-), tetrafluoro-, sodium(13755-29-8)
Safety Information
Hazard Codes C,Xi
Risk Statements 34
Safety Statements 45-36/37/39-25-26
WGK Germany 1
RTECS ED2975000
Hazard Note Irritant
HS Code 2826 90 80
MSDS Information
Sodium tetrafluoroborate English
SigmaAldrich English
ACROS English
ALFA English
Sodium tetrafluoroborate Usage And Synthesis
DescriptionSodium tetrafluoroborate is an organic compound that has the molecular formula NaBF4. The compound is a salt that forms white or colorless water-soluble rhombic crystals. It is less soluble in organic solvents and readily soluble in water.
PreparationSodium tetrafluoroborate can be prepared by reacting tetrafluoroboric with sodium carbonate or hydroxide.
NaOH + HBF4 → NaBF4 + H2O
Na2CO3 + 2 HBF4 → 2 NaBF4 + H2O + CO2
ApplicationsSodium tetrafluoroborate can be used as a catalyst for the synthesis of bis(indolyl)methanes via electrophilic substitution reaction of indoles with ketones and aldehydes. In the synthesis of ionic liquids such as trihexyl(tetradecyl)phosphonium tetrafluoroborat and 1-butyl-3-methylimidazolium tetrafluoroborate.
In the laboratory, sodium tetrafluoroborate may be used for the synthesis of boron fluoride. It may also be used in the synthesis of fluoroheterocyclic and fluoro-nucleic acids. The compound is also used in metal finishing, fluxes, and plating circuits.
Chemical Propertieswhite crystals or powder
UsesFluorinating agent, see Lawton, Levy, J. Am. Chem. Soc. 77, 6083 (1955).
Safety ProfileModerately toxic by subcutaneous route. When heated to decomposition it emits toxic fumes of Fand Na2O.
Purification MethodsCrystallise the fluoroborate from hot water (50mL/g) by cooling to 0o. Alternatively, free it from insoluble material by dissolving it in a minimum amount of water; then fluoride ions are removed by adding concentrated lanthanum nitrate in excess. After removing lanthanum fluoride by centrifugation, the supernatant is passed through a cation-exchange column (Dowex 50, Na+-form) to remove any remaining lanthanum [Anbar & Guttman J Phys Chem 64 1896 1960]. It has also been recrystallised from anhydrous MeOH and dried in a vacuum at 70o for 16hours. Keep it dry as it is hygrosopic. [Delville et al. J Am Chem Soc 109 7293 1987.]
Tag:Sodium tetrafluoroborate(13755-29-8) Related Product Information
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