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CAS 7440-21-3

:

Silício

Descrição:
Silício, com o número CAS 7440-21-3, é um elemento metaloide que desempenha um papel crucial em várias indústrias, particularmente em eletrônica e ciência dos materiais. É caracterizado pelo seu brilho metálico e natureza quebradiça em sua forma cristalina. Silício tem um alto ponto de fusão e é um mau condutor de eletricidade à temperatura ambiente, mas sua condutividade aumenta significativamente quando dopado com impurezas, tornando-se um material semicondutor fundamental. É abundante na crosta terrestre, encontrado principalmente na forma de silicatos e dióxido de Silício. Silício é essencial na produção de vidro, cerâmica e concreto, e é um componente chave na fabricação de células solares e chips de computador. Além disso, Silício exibe uma capacidade de ligação tetravalente, permitindo-lhe formar ligações covalentes estáveis com outros elementos, o que é vital para criar vários compostos à base de Silício. Sua versatilidade e propriedades únicas fazem de Silício uma pedra angular da tecnologia moderna e da engenharia de materiais.
Fórmula:Si
InChI:InChI=1S/Si
Chave InChI:InChIKey=XUIMIQQOPSSXEZ-UHFFFAOYSA-N
SMILES:[Si]
Sinónimos:
  • 4FY
  • 6Pw-A1
  • AgroSilicio
  • Aldrich 267414-25G
  • Biosilicon
  • CZ-N Polished wafer
  • Feb 450D
  • Gko 3516A
  • Hexsil
  • Hgh 600
  • Ver mais sinónimos
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produtos por página.43 produtos.
  • 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>
    Pureza:99.999%

    Ref: 02-039102

    100mm
    A consultar
    150mm
    A consultar
  • 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>
    Pureza: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>
    Fórmula:Si
    Pureza:99.999%
    Peso molecular:28.09

    Ref: 02-039112

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

    CAS:
    <p>Magnetron sputtering source</p>
    Fórmula:Si
    Pureza:99.999%
    Cor e Forma:Sputtering target, 50.8mm (2.0in) diameter x 3.18mm (0.125in) thick., Dark gray
    Peso molecular: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>
    Fórmula:Si
    Pureza:99.9999%
    Peso molecular: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>
    Fórmula:Si
    Pureza:99%
    Peso molecular: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>
    Fórmula:Si
    Pureza:99.5%
    Peso molecular: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>
    Fórmula:Si
    Pureza:99.999%
    Cor e Forma:Brown, Powder
    Peso molecular:28.09

    Ref: 02-036212

    10g
    86,00€
    50g
    162,00€
    250g
    A consultar
  • 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>
    Fórmula:Si
    Pureza:99.999%
    Peso molecular:28.09

    Ref: 02-044625

    100mm
    A consultar
  • 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>
    Pureza:99.9999%

    Ref: 02-036376

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

    CAS:
    <p>Form: S.A. 70 to 100m2/g</p>
    Fórmula:Si
    Pureza:98%
    Cor e Forma:Brown-yellow, Powder
    Peso molecular: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>
    Fórmula:Si
    Pureza:99.9999%
    Peso molecular:28.09

    Ref: 02-043006

    100g
    93,00€
    500g
    A consultar
  • 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>
    Fórmula:Si
    Pureza:99.999%
    Peso molecular:28.09

    Ref: 02-039109

    25x25mm
    A consultar
    50x50mm
    A consultar
    100x100mm
    A consultar
  • 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>
    Fórmula:Si
    Pureza:99.999+%
    Cor e Forma:Dark brown, Lump, ≤15cm (5.9in).
    Peso molecular:28.09

    Ref: 02-039101

    1kg
    673,00€
    25g
    58,00€
    100g
    141,00€
    2500g
    A consultar
  • 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>
    Fórmula:Si
    Pureza:99.9%
    Peso molecular: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>
    Fórmula:Si
    Pureza:99.999%
    Cor e Forma:Chunks to powder, Gray
    Peso molecular: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>
    Fórmula:Si
    Pureza:99.999%
    Peso molecular: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>
    Fórmula:Si
    Pureza:98.4%
    Cor e Forma:Silver to grey, Lump or chunks
    Peso molecular: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>
    Fórmula:Si
    Pureza:99.9%
    Peso molecular: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>
    Fórmula:Si
    Pureza:99.999%
    Cor e Forma:Powder, -325 mesh
    Peso molecular:28.09

    Ref: 02-046654

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