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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 (notación de Hill):
Sc
Número de CAS:
7440-20-2
Peso molecular:
44.96
EC Number:
231-129-2
MDL number:
MFCD00016323
UNSPSC Code:
12141613
PubChem Substance ID:
24855801
NACRES:
NA.23

Quality Level

100

assay

99.9% trace rare earth metals basis

form

powder

resistivity

50.5 μΩ-cm, 0°C

bp

2836 °C (lit.)

mp

1540 °C (lit.)

density

2.99 g/mL at 25 °C (lit.)

SMILES string

[Sc]

InChI

1S/Sc

InChI key

SIXSYDAISGFNSX-UHFFFAOYSA-N

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Application

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.

For use with

Referencia del producto
Descripción
Precios

pictograms

Flame
GHS02

signalword

Danger

hcodes

H228

pcodes

P210

Hazard Classifications

Flam. Sol. 1

Storage Class

4.1B - Flammable solid hazardous materials

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

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Certificados de análisis (COA)

Lot/Batch Number
MKCM7166
MKBV1418V
MKBR5330V
MKBS6524V
MKBQ5278V

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Yttrium chips, 99.9% trace rare earth metals basis

Sigma-Aldrich

262994

Yttrium

Wei Li et al.
Angewandte Chemie (International ed. in English), 51(34), 8644-8647 (2012-07-24)
Asymmetric expansion: A catalytic asymmetric ring-expansion reaction of the title compounds occurs in the presence of a Sc(OTf)(3) catalyst bearing an N,N'-dioxide-based ligand. Highly functionalized 2-quinolone derivatives containing a chiral C4-quaternary stereocenter were obtained in high yields and high levels
Subrata Kundu et al.
Journal of the American Chemical Society, 134(36), 14710-14713 (2012-08-30)
High-valent copper-nitrene intermediates have long been proposed to play a role in copper-catalyzed aziridination and amination reactions. However, such intermediates have eluded detection for decades, preventing the unambiguous assignments of mechanisms. Moreover, the electronic structure of the proposed copper-nitrene intermediates
Hiroshi Inaba et al.
Dalton transactions (Cambridge, England : 2003), 41(37), 11424-11427 (2012-08-15)
We have succeeded in preparing semi-synthesized proteins bound to Sc(3+) ion which can promote an epoxide ring-opening reaction. The Sc(3+) binding site was created on the surface of [(gp5βf)(3)](2) (N. Yokoi et al., Small, 2010, 6, 1873) by introducing a
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
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