CymitQuimica logo

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
Ordenar por

Pureza (%)
0
100
|
0
|
50
|
90
|
95
|
100
produtos por página.54 produtos.
  • Chromium crystallite pieces, 2-15mm (0.08-0.59in), 99.996% (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:Cr
    Pureza:99.996%
    Cor e Forma:Chunks/pieces, 2-15 mm (0.08-0.59 in.)
    Peso molecular:52.00

    Ref: 02-010453

    10g
    115,00€
    50g
    A consultar
  • Chromium powder, -10+20 mesh, 99.996% (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:Cr
    Pureza:99.996%
    Cor e Forma:Powder, -10+20 mesh
    Peso molecular:52.00

    Ref: 02-010452

    5g
    95,00€
    25g
    A consultar
    100g
    A consultar
  • Chromium sputtering target, 76.2mm (3.0in) dia x 6.35mm (0.250in) thick, 99.95% (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: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

    1ea
    A consultar
  • Chromium pieces, 3-12mm (0.12-0.47in), 99.2% (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:Cr
    Pureza:99.2%
    Cor e Forma:Pieces, 3-12mm
    Peso molecular:52.00

    Ref: 02-000472

    100g
    115,00€
    500g
    463,00€
  • Chromium powder, APS &lt;10 micron, 99.2% (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:Cr
    Pureza:99.2%
    Peso molecular:52.00

    Ref: 02-041797

    1kg
    769,00€
    50g
    A consultar
    250g
    269,00€
  • Chromium sputtering target, 50.8mm (2.0in) dia x 3.18mm (0.125in) thick, 99.95% (metals basis)

    CAS:
    <p>Magnetron sputtering source</p>
    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
    A consultar
  • Chromium pieces, 2-8mm (0.08-0.31in), 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>
    Fórmula:Cr
    Pureza:99.99%
    Peso molecular:52.00

    Ref: 02-014760

    50g
    177,00€
    250g
    674,00€
  • Chromium cubes, typically 6.35mm (0.25in) square, 99.95% (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:Cr
    Pureza:99.95%
    Cor e Forma:Gray, cube, typically 6.35mm (0.25in) square.
    Peso molecular:52.00

    Ref: 02-042310

    10g
    60,00€
    50g
    196,00€
    250g
    A consultar
  • Chromium granules, -4+7 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:Cr
    Pureza:99.999%
    Cor e Forma:Granules,
    Peso molecular:52.00

    Ref: 02-042926

    50g
    258,00€
    250g
    A consultar
  • Chromium pieces, irregular, 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>
    Fórmula:Cr
    Pureza:99%
    Peso molecular:52.00

    Ref: 02-010150

    100g
    84,00€
    500g
    229,00€
  • Chromium powder, -60 mesh, 99.95% (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:Cr
    Pureza:99.95%
    Cor e Forma:Powder
    Peso molecular:52.00

    Ref: 02-044556

    100g
    147,00€
    500g
    530,00€
  • Chromium powder, -100+325 mesh, 99.97% (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:Cr
    Pureza:99.97%
    Cor e Forma:Grey, Powder
    Peso molecular:52.00

    Ref: 02-035668

    10g
    145,00€
    50g
    462,00€
  • Chromium powder, -200 mesh, 99.94% (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:Cr
    Pureza:99.94%
    Cor e Forma:Gray, Powder
    Peso molecular:52.00

    Ref: 02-013796

    25g
    130,00€
    100g
    A consultar
    500g
    1.260,00€
  • Chromium cubes, 12.5mm (0.492in) square, 99.97% (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:Cr
    Pureza:99.97%
    Cor e Forma:Cubes, 12.5mm (0.492in) square.
    Peso molecular:52.00

    Ref: 02-010149

    1ea
    A consultar
    5ea
    A consultar
  • Chromium pieces, 1-25mm (0.04-1in), 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: 02-043066

    1kg
    A consultar
    50g
    130,00€
    250g
    A consultar
  • Chromium chunks, 2-15mm (0.08-0.59in), 99.996% (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: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 &amp; down, Puratronic&trade;, 99.997% (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:Cr
    Pureza:99.997%
    Cor e Forma:Metallic grey, Pieces, ≤6 mm
    Peso molecular:52.00

    Ref: 02-010151

    25g
    187,00€
    100g
    A consultar
  • Chromium powder, -100 mesh, 99% (metals basis)

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

    Ref: 02-010147

    10g
    43,00€
    2kg
    1.189,00€
    100g
    111,00€
    500g
    366,00€
  • Chromium powder, -325 mesh, 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>
    Fórmula:Cr
    Pureza:99%
    Cor e Forma:Powder, -325 mesh
    Peso molecular:52.00

    Ref: 02-010148

    2kg
    A consultar
    100g
    A consultar
    500g
    A consultar
  • Chromium pieces, 2-3mm (0.08-0.12in), 99.995% (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: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
    133,00€
    250g
    445,00€