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CAS 7440-21-3

:

Silicium

Description :
Silicium, avec le numéro CAS 7440-21-3, est un élément métalloïde qui joue un rôle crucial dans diverses industries, en particulier dans l'électronique et la science des matériaux. Il se caractérise par son éclat métallique et sa nature fragile sous forme cristalline. Silicium a un point de fusion élevé et est un mauvais conducteur d'électricité à température ambiante, mais sa conductivité augmente considérablement lorsqu'il est dopé avec des impuretés, ce qui en fait un matériau semi-conducteur fondamental. Il est abondant dans la croûte terrestre, principalement trouvé sous forme de silicates et de dioxyde de Silicium. Silicium est essentiel dans la production de verre, de céramique et de béton, et il est un composant clé dans la fabrication de cellules solaires et de puces informatiques. De plus, Silicium présente une capacité de liaison tétravalente, lui permettant de former des liaisons covalentes stables avec d'autres éléments, ce qui est vital pour créer divers composés à base de Silicium. Sa polyvalence et ses propriétés uniques font de Silicium une pierre angulaire de la technologie moderne et de l'ingénierie des matériaux.
Formule :Si
InChI :InChI=1S/Si
Code InChI :InChIKey=XUIMIQQOPSSXEZ-UHFFFAOYSA-N
SMILES :[Si]
Synonymes :
  • 4FY
  • 6Pw-A1
  • AgroSilicio
  • Aldrich 267414-25G
  • Biosilicon
  • CZ-N Polished wafer
  • Feb 450D
  • Gko 3516A
  • Hexsil
  • Hgh 600
  • Voir plus de synonymes
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produits par page.43 produits concernés.
  • Silicon rod, 2.5cm (0.98in) dia, 99.999% (metals basis)

    CAS :
    <p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci</p>
    Degré de pureté :99.999%

    Ref: 02-039102

    100mm
    À demander
    150mm
    À demander
  • Silicon powder, crystalline, -100+200 mesh, 99.99% (metals basis)

    CAS :
    <p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci</p>
    Degré de pureté :99.99%

    Ref: 02-045609

    50g
    158,00€
    250g
    406,00€
  • Silicon plate, 6.35mm (0.25in) thick, 99.999% (metals basis)

    CAS :
    <p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci</p>
    Formule :Si
    Degré de pureté :99.999%
    Masse moléculaire :28.09

    Ref: 02-039112

    25x25mm
    À demander
    50x50mm
    À demander
    100x100mm
    À demander
  • Silicon sputtering target, 50.8mm (2.0in) dia x 3.18mm (0.125in) thick, 99.999% (metals basis)

    CAS :
    <p>Magnetron sputtering source</p>
    Formule :Si
    Degré de pureté :99.999%
    Couleur et forme :Sputtering target, 50.8mm (2.0in) diameter x 3.18mm (0.125in) thick., Dark gray
    Masse moléculaire :28.09

    Ref: 02-040890

    1ea
    253,00€
  • Silicon slugs, 9.5mm (0.375 in.) dia. x 9.5mm (0.375 in.) length, 99.9999% (metals basis)

    CAS :
    <p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci</p>
    Formule :Si
    Degré de pureté :99.9999%
    Masse moléculaire :28.09

    Ref: 02-043926

    25g
    422,00€
  • Silicon powder, crystalline, APS 100nm, 99%, Plasma Synthesized

    CAS :
    <p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci</p>
    Formule :Si
    Degré de pureté :99%
    Masse moléculaire :28.09

    Ref: 02-046308

    2g
    78,00€
    10g
    255,00€
    50g
    1.079,00€
  • Silicon powder, crystalline, -325 mesh, 99.5% (metals basis)

    CAS :
    <p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci</p>
    Formule :Si
    Degré de pureté :99.5%
    Masse moléculaire :28.09

    Ref: 02-012681

    10g
    65,00€
    100g
    173,00€
    500g
    495,00€
  • Silicon powder, crystalline, -100+325 mesh, 99.999% (metals basis)

    CAS :
    <p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci</p>
    Formule :Si
    Degré de pureté :99.999%
    Couleur et forme :Brown, Powder
    Masse moléculaire :28.09

    Ref: 02-036212

    10g
    86,00€
    50g
    162,00€
    250g
    À demander
  • Silicon rod, 0.828cm (0.326in) dia, 99.999% (metals basis)

    CAS :
    <p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci</p>
    Formule :Si
    Degré de pureté :99.999%
    Masse moléculaire :28.09

    Ref: 02-044625

    100mm
    À demander
  • Silicon rod, polycrystalline, unpolished, 1.6cm (0.6in) dia, 99.9999% (metals basis)

    CAS :
    <p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci</p>
    Degré de pureté :99.9999%

    Ref: 02-036376

    10mm
    À demander
    100mm
    À demander
  • Silicon powder, crystalline, APS ∣&lt;50nm, 98%, Laser synthesized from vapor phase

    CAS :
    <p>Form: S.A. 70 to 100m2/g</p>
    Formule :Si
    Degré de pureté :98%
    Couleur et forme :Brown-yellow, Powder
    Masse moléculaire :28.09

    Ref: 02-044384

    2g
    90,00€
    10g
    308,00€
    50g
    1.218,00€
  • Silicon lump, 0.1-2.5cm (0.04-1.0in), 99.9999% (metals basis)

    CAS :
    <p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci</p>
    Formule :Si
    Degré de pureté :99.9999%
    Masse moléculaire :28.09

    Ref: 02-043006

    100g
    93,00€
    500g
    À demander
  • Silicon plate, 12.5mm (0.5in) thick, 99.999% (metals basis)

    CAS :
    <p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci</p>
    Formule :Si
    Degré de pureté :99.999%
    Masse moléculaire :28.09

    Ref: 02-039109

    25x25mm
    À demander
    50x50mm
    À demander
    100x100mm
    À demander
  • Silicon lump, 15cm (5.9in) &amp; down, 99.999+% (metals basis)

    CAS :
    <p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci</p>
    Formule :Si
    Degré de pureté :99.999+%
    Couleur et forme :Dark brown, Lump, ≤15cm (5.9in).
    Masse moléculaire :28.09

    Ref: 02-039101

    1kg
    673,00€
    25g
    58,00€
    100g
    141,00€
    2500g
    À demander
  • Silicon powder, crystalline, -100 mesh, 99.9% (metals basis)

    CAS :
    <p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci</p>
    Formule :Si
    Degré de pureté :99.9%
    Masse moléculaire :28.09

    Ref: 02-000311

    100g
    116,00€
    500g
    402,00€
  • Silicon granular, virgin poly fines, 99.999% (metals basis)

    CAS :
    <p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci</p>
    Formule :Si
    Degré de pureté :99.999%
    Couleur et forme :Chunks to powder, Gray
    Masse moléculaire :28.09

    Ref: 02-038542

    25g
    49,00€
    100g
    137,00€
  • Silicon powder, crystalline, -325 mesh, 99.999% (metals basis)

    CAS :
    <p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci</p>
    Formule :Si
    Degré de pureté :99.999%
    Masse moléculaire :28.09

    Ref: 02-035662

    10g
    104,00€
    50g
    288,00€
  • Silicon lump, 10cm (3.9in) &amp; down, 98.4% (metals basis)

    CAS :
    <p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci</p>
    Formule :Si
    Degré de pureté :98.4%
    Couleur et forme :Silver to grey, Lump or chunks
    Masse moléculaire :28.09

    Ref: 02-010335

    1kg
    74,00€
    5kg
    266,00€
  • Silicon powder, APS 1-5 micron, 99.9% (metals basis)

    CAS :
    <p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci</p>
    Formule :Si
    Degré de pureté :99.9%
    Masse moléculaire :28.09

    Ref: 02-044185

    10g
    121,00€
    50g
    235,00€
    250g
    832,00€
  • Silicon powder, -325 mesh, 99.999% (metals basis)

    CAS :
    <p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci</p>
    Formule :Si
    Degré de pureté :99.999%
    Couleur et forme :Powder, -325 mesh
    Masse moléculaire :28.09

    Ref: 02-046654

    10g
    109,00€
    50g
    277,00€