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
449148
Potassium fluoride
anhydrous, powder, ≥99.9% trace metals basis
Sinonimo/i:
Potassium monofluoride, Potassium monofluoride (KF)
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About This Item
Prodotti consigliati
Grado
anhydrous
Livello qualitativo
Saggio
≥99.9% trace metals basis
Stato
powder
Impurezze
≤1000.0 ppm Trace Metal Analysis
Punto di fusione
858 °C (lit.)
Stringa SMILE
[F-].[K+]
InChI
1S/FH.K/h1H;/q;+1/p-1
NROKBHXJSPEDAR-UHFFFAOYSA-M
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Descrizione generale
Applicazioni
- 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]
Avvertenze
Danger
Indicazioni di pericolo
Classi di pericolo
Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1
Codice della classe di stoccaggio
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
Classe di pericolosità dell'acqua (WGK)
WGK 1
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
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How is shipping temperature determined? And how is it related to the product storage temperature?
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How can I determine the shelf life / expiration / retest date of this product?
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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.pdfUtile?
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