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208361

Sigma-Aldrich

Silbertetrafluorborat

98%

Synonym(e):

Silberborfluorid

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1 G
€ 37,30
10 G
€ 149,00
50 G
€ 525,00

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1 G
€ 37,30
10 G
€ 149,00
50 G
€ 525,00

About This Item

Lineare Formel:
AgBF4
CAS-Nummer:
Molekulargewicht:
194.67
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12161600
PubChem Substanz-ID:
NACRES:
NA.22

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Qualitätsniveau

Assay

98%

Eignung der Reaktion

core: silver
reagent type: catalyst

mp (Schmelzpunkt)

70-73 °C (lit.)

SMILES String

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

InChI

1S/Ag.BF4/c;2-1(3,4)5/q+1;-1

InChIKey

CCAVYRRHZLAMDJ-UHFFFAOYSA-N

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Allgemeine Beschreibung

Silver tetrafluoroborate (AgBF4) is used as a Lewis acid in organic synthesis. It is known to have a high affinity towards organic halides. It is employed in organic reactions like activation of acyl chlorides, nucleophilic substitution, rearrangement, cycloaddition, cyclization, ring expansion and oxidation.[1]

Anwendung

Displaces chloride from precious metal complexes used in the oxidation of alcohols by persulfate.[2]
Provides a silver-ion template for improved macrolatamization of a linear dipeptide.[3]

Piktogramme

Corrosion

Signalwort

Danger

H-Sätze

Gefahreneinstufungen

Eye Dam. 1 - Skin Corr. 1B

Lagerklassenschlüssel

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges


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In der Dokumentenbibliothek finden Sie die Dokumentation zu den Produkten, die Sie kürzlich erworben haben.

Die Dokumentenbibliothek aufrufen

J. Mol. Catal., 79, 85-85 (1993)
Kende, A. S.; Huang, H.
Tetrahedron Letters, 38, 3353-3353 (1997)
Youhong Hu et al.
The Journal of organic chemistry, 67(7), 2365-2368 (2002-04-02)
We report here a general synthetic methodology for palladium-catalyzed carbonylative annulation of o-alkynylphenol to construct 2-substituted-3-aroyl-benzo[b]furan. On the basis of the results, this methodology could be applied to a wider selection of iodide substrates to generate desired products. In accordance
Silver tetrafluoroborate
Encyclopedia of Reagents for Organic Synthesis, Second Edition (2005)
Synlett, 1901-1901 (2007)

Artikel

Access gold precatalysts, silver salts, and unsaturated building blocks to accelerate research success in catalysis applications.

Questions

1–2 of 2 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. 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

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. 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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