1.05030
Potassium fluoride
extra pure, Technipur®
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About This Item
Linear Formula:
KF
CAS Number:
Molecular Weight:
58.10
NACRES:
NA.21
UNSPSC Code:
12352302
Beilstein/REAXYS Number:
3902818
MDL number:
vapor pressure
1.3 hPa ( 885 °C)
Quality Level
pH
8-9 (20 °C, 50 g/L in H2O, slurry)
bp
>1505 °C/1013 hPa
mp
858 °C (lit.)
SMILES string
[F-].[K+]
InChI
1S/FH.K/h1H;/q;+1/p-1
InChI key
NROKBHXJSPEDAR-UHFFFAOYSA-M
Application
Potassium fluoride (KF) occurs naturally as the mineral carobbiite. It is mainly used as a fluorinating agent in chemical industries to produce a wide-range of fluorinated compounds by selective fluorination reactions. It also finds application in the electronic industry as a metal surface treatment product. Upon post-deposition treatment of KF in CuInGaSe2 (CIGS) based thin-film solar cells, power conversion efficiency is enhanced. This surface modification has a direct influence on solar cell performance leading to an increase in open-circuit voltage, fill factor, and net charge carrier density of the cell.
KF can also be used as:
KF can also be used as:
- A fluxing agent in the field of metallurgy for metal-joining operations, including welding, soldering, and brazing.
- An etching agent in the manufacture of some optical glasses.
- An additive in the formation of single crystals to change the crystal structure, crystal size, and crystal morphology.
A versatile fluoride ion source used in a study of ion-specific swelling and de-swelling of ampholytic polymer gels, in the room temperature oxidation of noble metals in HF, and in the measurement of electronic polarizabilities of ions in polymers of alkali halides.
Legal Information
Technipur is a registered trademark of Merck KGaA, Darmstadt, Germany
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Danger
hcodes
Hazard Classifications
Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Storage Class
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
Regulatory Information
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Certificates of Analysis (COA)
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Potassium fluoride postdeposition treatment with etching step on both Cu-rich and Cu-poor CuInSe2 thin film solar cells
Babbe F, et al.
Physical Reiview Materials (2018)
Efficiency enhancement of Cu(In,Ga)Se2 thin-film solar cells by a post-deposition treatment with potassium fluoride
Laemmle A, et al.
Physica Status Solidi, 7(9), 631-634 (2013)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 1050309050 | 04022536059495 |
| 1050301000 | 04022536059488 |