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CAS 7440-47-3

:

Cromo

Descrição:
Cromo, com o número CAS 7440-47-3, é um metal de transição conhecido por sua alta resistência à corrosão e dureza. Tem um número atômico de 24 e é representado pelo símbolo Cr na tabela periódica. Cromo exibe um brilho metálico cinza prateado e é encontrado principalmente na natureza na forma de minério de cromita. É caracterizado por sua capacidade de formar vários estados de oxidação, sendo +3 e +6 os mais comuns em compostos. Cromo é amplamente utilizado na produção de aço inoxidável e outras ligas, aumentando sua resistência e resistência à oxidação. Além disso, desempenha um papel crucial na fabricação de pigmentos, como o óxido de Cromo, que confere cores vibrantes a cerâmicas e tintas. Em termos de reatividade química, Cromo pode reagir com oxigênio e outros não metais, formando óxidos e outros compostos. Embora seja essencial em quantidades traço para funções biológicas, certos compostos de Cromo, particularmente o Cromo hexavalente, são conhecidos por serem tóxicos e cancerígenos, exigindo manuseio e regulamentação cuidadosos.
Fórmula:Cr
InChI:InChI=1S/Cr
Chave InChI:InChIKey=VYZAMTAEIAYCRO-UHFFFAOYSA-N
SMILES:[Cr]
Sinónimos:
  • Alpaste RRA 030
  • Alpaste RRA 050
  • BioChrome
  • BioChrome (feed additive)
  • Chrom
  • Chrome
  • Chromium
  • Chromium Coating Quality Balzers 0.7-3.5 Mm
  • Chromium chips (99.8%)
  • Chromium crystallites (99.99%)
  • Ver mais sinónimos
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produtos por página.54 produtos.
  • Chromium crystallite pieces, 2-15mm (0.08-0.59in), 99.996% (metals basis)

    CAS:
    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
    Fórmula:Cr
    Pureza:99.996%
    Cor e Forma:Chunks/pieces, 2-15 mm (0.08-0.59 in.)
    Peso molecular:52.00

    Ref: 02-010453

    50g
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    10g
    117,00€
  • Chromium powder, -10+20 mesh, 99.996% (metals basis)

    CAS:
    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
    Fórmula:Cr
    Pureza:99.996%
    Cor e Forma:Powder, -10+20 mesh
    Peso molecular:52.00

    Ref: 02-010452

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    100g
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    5g
    95,00€
  • Chromium sputtering target, 76.2mm (3.0in) dia x 6.35mm (0.250in) thick, 99.95% (metals basis)

    CAS:
    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
    Fórmula:Cr
    Pureza:99.95%
    Cor e Forma:Silvery gray, Sputtering target, 76.2mm (3.0in) diameter x 6.35mm (0.250in) thick.
    Peso molecular:52.00

    Ref: 02-040845

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  • Chromium pieces, 3-12mm (0.12-0.47in), 99.2% (metals basis)

    CAS:
    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
    Fórmula:Cr
    Pureza:99.2%
    Cor e Forma:Pieces, 3-12mm
    Peso molecular:52.00

    Ref: 02-000472

    100g
    117,00€
    500g
    472,00€
  • Chromium powder, APS <10 micron, 99.2% (metals basis)

    CAS:
    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
    Fórmula:Cr
    Pureza:99.2%
    Peso molecular:52.00

    Ref: 02-041797

    50g
    90,00€
    250g
    274,00€
    1kg
    784,00€
  • Chromium sputtering target, 50.8mm (2.0in) dia x 3.18mm (0.125in) thick, 99.95% (metals basis)

    CAS:
    Magnetron sputtering source
    Fórmula:Cr
    Pureza:99.95%
    Cor e Forma:Silvery gray, Sputtering target, 50.8mm (2.0in) diameter x 3.18mm (0.125in) thick.
    Peso molecular:52.00

    Ref: 02-040842

    1ea
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  • Chromium pieces, 2-8mm (0.08-0.31in), 99.99% (metals basis)

    CAS:
    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
    Fórmula:Cr
    Pureza:99.99%
    Peso molecular:52.00

    Ref: 02-014760

    50g
    180,00€
    250g
    688,00€
  • Chromium cubes, typically 6.35mm (0.25in) square, 99.95% (metals basis)

    CAS:
    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
    Fórmula:Cr
    Pureza:99.95%
    Cor e Forma:Gray, cube, typically 6.35mm (0.25in) square.
    Peso molecular:52.00

    Ref: 02-042310

    250g
    A consultar
    10g
    61,00€
    50g
    200,00€
  • Chromium granules, -4+7 mesh, 99.999% (metals basis)

    CAS:
    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
    Fórmula:Cr
    Pureza:99.999%
    Cor e Forma:Granules,
    Peso molecular:52.00

    Ref: 02-042926

    250g
    A consultar
    50g
    263,00€
  • Chromium pieces, irregular, 99% (metals basis)

    CAS:
    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
    Fórmula:Cr
    Pureza:99%
    Peso molecular:52.00

    Ref: 02-010150

    100g
    85,00€
    500g
    229,00€
  • Chromium powder, -60 mesh, 99.95% (metals basis)

    CAS:
    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
    Fórmula:Cr
    Pureza:99.95%
    Cor e Forma:Powder
    Peso molecular:52.00

    Ref: 02-044556

    100g
    150,00€
    500g
    541,00€
  • Chromium powder, -100+325 mesh, 99.97% (metals basis)

    CAS:
    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
    Fórmula:Cr
    Pureza:99.97%
    Cor e Forma:Grey, Powder
    Peso molecular:52.00

    Ref: 02-035668

    10g
    144,00€
    50g
    471,00€
  • Chromium powder, -200 mesh, 99.94% (metals basis)

    CAS:
    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
    Fórmula:Cr
    Pureza:99.94%
    Cor e Forma:Gray, Powder
    Peso molecular:52.00

    Ref: 02-013796

    25g
    132,00€
    100g
    351,00€
    500g
    1.285,00€
  • Chromium cubes, 12.5mm (0.492in) square, 99.97% (metals basis)

    CAS:
    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
    Fórmula:Cr
    Pureza:99.97%
    Cor e Forma:Cubes, 12.5mm (0.492in) square.
    Peso molecular:52.00

    Ref: 02-010149

    1ea
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    5ea
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  • Chromium pieces, 1-25mm (0.04-1in), 99.99% (metals basis)

    CAS:
    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
    Pureza:99.99%

    Ref: 02-043066

    1kg
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    250g
    A consultar
    50g
    133,00€
  • Chromium chunks, 2-15mm (0.08-0.59in), 99.996% (metals basis)

    CAS:

    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

    Fórmula:Cr
    Pureza:99.996%
    Cor e Forma:Chunks, 2-15 mm (0.08-0.59 in.)
    Peso molecular:52.00

    Ref: 02-044565

    10g
    A consultar
    50g
    345,00€
  • Chromium pieces, electrolytic, 6mm & down, Puratronic™, 99.997% (metals basis)

    CAS:
    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
    Fórmula:Cr
    Pureza:99.997%
    Cor e Forma:Metallic grey, Pieces, ≤6 mm
    Peso molecular:52.00

    Ref: 02-010151

    100g
    A consultar
    25g
    191,00€
  • Chromium powder, -100 mesh, 99% (metals basis)

    CAS:
    Apparent density 2.0-3.0g/cm3
    Fórmula:Cr
    Pureza:99%
    Cor e Forma:Powder, -100 mesh
    Peso molecular:52.00

    Ref: 02-010147

    10g
    44,00€
    100g
    113,00€
    500g
    373,00€
    2kg
    1.213,00€
  • Chromium powder, -325 mesh, 99% (metals basis)

    CAS:
    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
    Fórmula:Cr
    Pureza:99%
    Cor e Forma:Powder, -325 mesh
    Peso molecular:52.00

    Ref: 02-010148

    2kg
    A consultar
    100g
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    500g
    A consultar
  • Chromium pieces, 2-3mm (0.08-0.12in), 99.995% (metals basis)

    CAS:
    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
    Fórmula:Cr
    Pureza:99.995%
    Cor e Forma:Metallic grey, 2-3 mm along the width, broken plate irregular pieces
    Peso molecular:52.00

    Ref: 02-038494

    50g
    135,00€
    250g
    454,00€