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278955

Sigma-Aldrich

Potassium tetrafluoroborate

96%

Synonym(s):

Potassium borofluoride

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About This Item

Linear Formula:
KBF4
CAS Number:
14075-53-7
Molecular Weight:
125.90
EC Number:
237-928-2
MDL number:
MFCD00011395
UNSPSC Code:
12352302
PubChem Substance ID:
24856844
NACRES:
NA.23
assay:
96%
grade:
for analytical purposes
form:
powder

grade

for analytical purposes

Quality Level

100

assay

96%

form

powder

mp

530 °C (lit.)

density

2.505 g/mL at 25 °C (lit.)

SMILES string

[K+].F[B-](F)(F)F

InChI

1S/BF4.K/c2-1(3,4)5;/q-1;+1

InChI key

AKEBROIVCDHVSD-UHFFFAOYSA-N

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General description

Potassium tetrafluoroborate is a white crystalline salt with a low melting point. It is used as a reagent in organic synthesis, high-efficiency electrolyte additive, and in electroplating applications.

Application

Potassium tetrafluoroborate can be used as:
  • An additive to perovskite precursor solution for preparing wide bandgap perovskite films for solar cells.
  • An electrolyte additive in potassium ion and Li-ion batteries to enhance stability and performance.
  • A reagent in the synthesis of bis-N-heterocyclic carbene (NHC) ruthenium complex.
  • An electroplating solution to prepare metal coatings and alloys.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
0000323955
MKCV6605
0000323955
MKCV4335
MKCS1003

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Cationic Bis-N-Heterocyclic Carbene(NHC) Ruthenium Complex: Structure and Application as Latent Catalyst in Olefin Metathesis
Mathieu Rouen, et al.
Chemistry?A European Journal , 20, 13716-13721 (2014)
Effects of a nano carbide coating fabricated by EB-PVD on the interfacial stability of aluminide coated superalloy
Wangqiang Peng, et al.
Materials Characterization, 193, 112290-112290 (2022)
Potassium tetrafluoroborate-induced defect tolerance enables efficient wide-bandgap perovskite solar cells
Yue Yu, et al.
Journal of Colloid and Interface Science, 605, 710-717 (2022)
Effect of KBF4 additive on high voltage cycling performance of lithium-ion batteries
Zhaoming Qin, et al.},
Journal of Electroanalytical Chemistry, 871, 114325-114325 (2020)
Yulia Kaluzhny et al.
Alternatives to laboratory animals : ATLA, 43(2), 101-127 (2015-05-23)
The 7th Amendment to the EU Cosmetics Directive and the EU REACH Regulation have reinforced the need for in vitro ocular test methods. Validated in vitro ocular toxicity tests that can predict the human response to chemicals, cosmetics and other

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