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175064

Sigma-Aldrich

Nitrosyl tetrafluoroborate

95%

Sinônimo(s):

Nitrosonium tetrafluoroborate

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R$ 536,00
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5 G
R$ 536,00
25 G
R$ 1.985,00
50 G
R$ 3.457,00

About This Item

Fórmula linear:
NOBF4
Número CAS:
14635-75-7
Peso molecular:
116.81
Número CE:
238-679-2
Número MDL:
MFCD00011433
Código UNSPSC:
12352101
ID de substância PubChem:
24850360
NACRES:
NA.22

R$ 536,00

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Ensaio

95%

adequação da reação

reagent type: oxidant

temperatura de armazenamento

2-8°C

cadeia de caracteres SMILES

N#[O+].F[B-](F)(F)F

InChI

1S/BF4.NO/c2-1(3,4)5;1-2/q-1;+1

chave InChI

KGCNVGDHOSFKFT-UHFFFAOYSA-N

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Aplicação

Nitrosyl tetrafluoroborate is an efficient nitrosating and diazotizing agent.[1] It reacts with alcohols and secondary amines to yield alkyl nitrites and nitrosamines, respectively.[1][2] It reacts with primary amines to yield diazonium tetrafluoroborates.[2] NOBF4 is also a mild oxidant and commonly used for single electron transfer oxidation.[3][4]

Pictogramas

Corrosion
GHS05

Palavra indicadora

Danger

Frases de perigo

H314

Classificações de perigo

Skin Corr. 1B

Código de classe de armazenamento

8A - Combustible corrosive hazardous materials

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

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

Escolha uma das versões mais recentes:

Certificados de análise (COA)

Lot/Batch Number
MKCX4016
MKCV1274
MKCW9770
MKCT3179
MKCR0183

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Sigma-Aldrich

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Triethyloxonium tetrafluoroborate

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The ability to engineer surface properties of nanocrystals (NCs) is important for various applications, as many of the physical and chemical properties of nanoscale materials are strongly affected by the surface chemistry. Here, we report a facile ligand-exchange approach, which
Azodesilylierung?eine neue aprotische Diazotierungstechnik.
Weiss
Chemische Berichte, 117(5), 1965-1972 (1984)
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Olah, George A
Aldrichimica Acta, 12, number=(3), 43-49 (1979)
J Li et al.
Biochemical and biophysical research communications, 240(2), 419-424 (1997-12-06)
The caspases are a family of at least 10 human cysteine proteases that participate in cytokine maturation and in apoptotic signal transduction and execution mechanisms. Peptidic inhibitors of these enzymes are capable of blocking cytokine maturation and apoptosis, demonstrating their
S Mohr et al.
The Journal of biological chemistry, 274(14), 9427-9430 (1999-03-27)
S-Nitrosylation of protein thiol groups by nitric oxide (NO) is a widely recognized protein modification. In this study we show that nitrosonium tetrafluoroborate (BF4NO), a NO+ donor, modified the thiol groups of glyceraldehyde-3-phosphate dehydrogenase (GAPDH) by S-nitrosylation and caused enzyme
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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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