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278955

Potassium tetrafluoroborate

Name: Potassium tetrafluoroborate
Brand: ALDRICH

96%

Synonym(s):

Potassium borofluoride

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About This Item

Linear Formula:

KBF₄

CAS Number:

14075-53-7

Molecular Weight:

125.90

NACRES:

NA.23

PubChem Substance ID:

24856844

UNSPSC Code:

12352302

EC Number:

237-928-2

MDL number:

MFCD00011395

Assay:

96%

Form:

powder

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Properties

Quality Level

100

assay

96%

form

powder

reaction suitability

core: potassium

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

Description

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.

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Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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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)

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)

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Global Trade Item Number

SKU	GTIN
278955-500G	04061826205136