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261262

Sigma-Aldrich

Scandium

powder, 99.9% trace rare earth metals basis

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About This Item

Fórmula empírica (Notação de Hill):
Sc
Número CAS:
7440-20-2
Peso molecular:
44.96
Número CE:
231-129-2
Número MDL:
MFCD00016323
Código UNSPSC:
12141613
ID de substância PubChem:
24855801
NACRES:
NA.23

Ensaio

99.9% trace rare earth metals basis

forma

powder

resistividade

50.5 μΩ-cm, 0°C

pb

2836 °C (lit.)

pf

1540 °C (lit.)

densidade

2.99 g/mL at 25 °C (lit.)

cadeia de caracteres SMILES

[Sc]

InChI

1S/Sc

chave InChI

SIXSYDAISGFNSX-UHFFFAOYSA-N

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Aplicação

Employed in solid state synthesis of unusual clusters, Sc19Br28Z4, (Z=Mn, Fe, Ru or Os). These clusters are of interest for their structure and magnetic properties.

acessório

Nº do produto
Descrição
Preços

Pictogramas

Flame
GHS02

Palavra indicadora

Danger

Frases de perigo

H228

Declarações de precaução

P210

Classificações de perigo

Flam. Sol. 1

Código de classe de armazenamento

4.1B - Flammable solid hazardous materials

Classe de risco de água (WGK)

nwg

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

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

Certificados de análise (COA)

Busque Certificados de análise (COA) digitando o Número do Lote do produto. Os números de lote e remessa podem ser encontrados no rótulo de um produto após a palavra “Lot” ou “Batch”.

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Scandium(III) chloride anhydrous, powder, 99.99% trace metals basis

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Yttrium chips, 99.9% trace rare earth metals basis

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Yttrium

Vincent Tran et al.
Organic letters, 14(23), 6100-6103 (2012-11-23)
Treatment of ynol ether-tethered dialkyl acetals with catalytic quantities of scandium triflate in CH(3)CN gives rise to five-, six-, and seven-membered alkoxycycloalkene carboxylates in good to excellent yields. Tri- and tetrasubstituted carbocyclic and heterocyclic alkenes may be formed by this
Nadine V Hanhan et al.
Organic letters, 14(9), 2218-2221 (2012-04-18)
The scandium(III)-catalyzed enantioselective Hosomi-Sakurai allylation of isatins with various substituted allylic silanes is described. A catalyst loading as low as 0.05 mol % is utilized at room temperature to afford the 3-allyl-3-hydroxy-2-oxindoles in excellent yields and enantioselectivity up to 99%
Marek Pruszyński et al.
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine, 70(6), 974-979 (2012-04-03)
The positron-emitting radionuclide (44)Sc with a half-life of 3.97 h and a β(+) branching of 94.3% is of potential interest for clinical PET. As so far it is available from a (44)Ti/(44)Sc generator in Mainz, where long-lived (44)Ti decays to
Jacob S Kanady et al.
Journal of the American Chemical Society, 135(3), 1073-1082 (2012-12-18)
The oxygen-evolving complex (OEC) of photosystem II contains a Mn(4)CaO(n) catalytic site, in which reactivity of bridging oxidos is fundamental to OEC function. We synthesized structurally relevant cuboidal Mn(3)MO(n) complexes (M = Mn, Ca, Sc; n = 3,4) to enable
Andrea Olmos et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 18(16), 4894-4901 (2012-03-15)
This study demonstrates the first zeolite-catalyzed synthesis of piperidine derivatives, including peptidomimetics and indoloquinolizidine alkaloids. The approach developed utilizes a highly effective one-pot reaction cascade, through imine formation and imino-Diels-Alder reactions, promoted by scandium-loaded zeolites as a heterogeneous catalyst. The
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