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CAS 7440-21-3

:

Silizium

Beschreibung:
Silizium, mit der CAS-Nummer 7440-21-3, ist ein metalloides Element, das eine entscheidende Rolle in verschiedenen Industrien spielt, insbesondere in der Elektronik und Materialwissenschaft. Es zeichnet sich durch seinen glänzenden, metallischen Glanz und seine spröde Natur in kristalliner Form aus. Silizium hat einen hohen Schmelzpunkt und ist bei Raumtemperatur ein schlechter elektrischer Leiter, aber seine Leitfähigkeit steigt erheblich, wenn es mit Verunreinigungen dotiert wird, was es zu einem grundlegenden Halbleitermaterial macht. Es ist in der Erdkruste reichlich vorhanden, hauptsächlich in Form von Silikaten und Silizium-Dioxid. Silizium ist entscheidend für die Herstellung von Glas, Keramiken und Beton und ist ein Schlüsselbestandteil in der Herstellung von Solarzellen und Computerchips. Darüber hinaus zeigt Silizium eine tetravalente Bindungsfähigkeit, die es ihm ermöglicht, stabile kovalente Bindungen mit anderen Elementen zu bilden, was für die Schaffung verschiedener Silizium-haltiger Verbindungen von entscheidender Bedeutung ist. Seine Vielseitigkeit und einzigartigen Eigenschaften machen Silizium zu einem Grundpfeiler der modernen Technologie und Materialtechnik.
Formel:Si
InChl:InChI=1S/Si
InChI Key:InChIKey=XUIMIQQOPSSXEZ-UHFFFAOYSA-N
SMILES:[Si]
Synonyme:
  • 4FY
  • 6Pw-A1
  • AgroSilicio
  • Aldrich 267414-25G
  • Biosilicon
  • CZ-N Polished wafer
  • Feb 450D
  • Gko 3516A
  • Hexsil
  • Hgh 600
  • Weitere Synonyme anzeigen
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Produkte pro Seite.43 Produkte.
  • 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>
    Reinheit:99.999%

    Ref: 02-039102

    100mm
    Nachfragen
    150mm
    Nachfragen
  • 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>
    Reinheit: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>
    Formel:Si
    Reinheit:99.999%
    Molekulargewicht:28.09

    Ref: 02-039112

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

    CAS:
    <p>Magnetron sputtering source</p>
    Formel:Si
    Reinheit:99.999%
    Farbe und Form:Sputtering target, 50.8mm (2.0in) diameter x 3.18mm (0.125in) thick., Dark gray
    Molekulargewicht: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>
    Formel:Si
    Reinheit:99.9999%
    Molekulargewicht: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>
    Formel:Si
    Reinheit:99%
    Molekulargewicht: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>
    Formel:Si
    Reinheit:99.5%
    Molekulargewicht: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>
    Formel:Si
    Reinheit:99.999%
    Farbe und Form:Brown, Powder
    Molekulargewicht:28.09

    Ref: 02-036212

    10g
    86,00€
    50g
    162,00€
    250g
    Nachfragen
  • 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>
    Formel:Si
    Reinheit:99.999%
    Molekulargewicht:28.09

    Ref: 02-044625

    100mm
    Nachfragen
  • 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>
    Reinheit:99.9999%

    Ref: 02-036376

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

    CAS:
    <p>Form: S.A. 70 to 100m2/g</p>
    Formel:Si
    Reinheit:98%
    Farbe und Form:Brown-yellow, Powder
    Molekulargewicht: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>
    Formel:Si
    Reinheit:99.9999%
    Molekulargewicht:28.09

    Ref: 02-043006

    100g
    93,00€
    500g
    Nachfragen
  • 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>
    Formel:Si
    Reinheit:99.999%
    Molekulargewicht:28.09

    Ref: 02-039109

    25x25mm
    Nachfragen
    50x50mm
    Nachfragen
    100x100mm
    Nachfragen
  • 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>
    Formel:Si
    Reinheit:99.999+%
    Farbe und Form:Dark brown, Lump, ≤15cm (5.9in).
    Molekulargewicht:28.09

    Ref: 02-039101

    1kg
    673,00€
    25g
    58,00€
    100g
    141,00€
    2500g
    Nachfragen
  • 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>
    Formel:Si
    Reinheit:99.9%
    Molekulargewicht: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>
    Formel:Si
    Reinheit:99.999%
    Farbe und Form:Chunks to powder, Gray
    Molekulargewicht: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>
    Formel:Si
    Reinheit:99.999%
    Molekulargewicht: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>
    Formel:Si
    Reinheit:98.4%
    Farbe und Form:Silver to grey, Lump or chunks
    Molekulargewicht: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>
    Formel:Si
    Reinheit:99.9%
    Molekulargewicht: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>
    Formel:Si
    Reinheit:99.999%
    Farbe und Form:Powder, -325 mesh
    Molekulargewicht:28.09

    Ref: 02-046654

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