If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf
Wichtige Dokumente
449148
Kaliumfluorid
anhydrous, powder, ≥99.9% trace metals basis
Synonym(e):
Potassium monofluoride, Potassium monofluoride (KF)
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About This Item
Empfohlene Produkte
Qualität
anhydrous
Qualitätsniveau
Assay
≥99.9% trace metals basis
Form
powder
Verunreinigungen
≤1000.0 ppm Trace Metal Analysis
mp (Schmelzpunkt)
858 °C (lit.)
SMILES String
[F-].[K+]
InChI
1S/FH.K/h1H;/q;+1/p-1
InChIKey
NROKBHXJSPEDAR-UHFFFAOYSA-M
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Allgemeine Beschreibung
Anwendung
- To fabricate CIGS thin films solar cells. Efficiency increased by up to 21.7% after KF postdeposition treatment. This was due to the formation of a K-containing layer on the CIGS surface, which resulted in increased surface reactivity due to the formation of a bilayer structure in which a K—In—Se species covers the CIGSe compound.[3]
- To fabricate 2D vanadium carbide MXene for supercapacitor electrodes.[4]
- To synthesize sulfonyl fluoride through electrochemical oxidative coupling.[5]
- As an electrolyte additive for Li-ion batteries.[6]
- As a catalyst for ring-opening fluorination of cyclic thioethers.[1]
- To synthesize solid base catalysts, KF/Ca−Mg−Al hydrotalcite for the production of Biodiesel via transesterification reactions.[2]
Signalwort
Danger
H-Sätze
Gefahreneinstufungen
Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1
Lagerklassenschlüssel
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK
WGK 1
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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