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CAS 7440-47-3

:

Cromo

Descripción:
Cromo, con el número CAS 7440-47-3, es un metal de transición conocido por su alta resistencia a la corrosión y dureza. Tiene un número atómico de 24 y está representado por el símbolo Cr en la tabla periódica. Cromo exhibe un brillo metálico gris plateado y se encuentra principalmente en la naturaleza en forma de mineral de cromita. Se caracteriza por su capacidad para formar varios estados de oxidación, siendo +3 y +6 los más comunes en compuestos. Cromo se utiliza ampliamente en la producción de acero inoxidable y otras aleaciones, mejorando su resistencia y resistencia a la oxidación. Además, juega un papel crucial en la fabricación de pigmentos, como el óxido de Cromo, que aporta colores vibrantes a cerámicas y pinturas. En términos de reactividad química, Cromo puede reaccionar con oxígeno y otros no metales, formando óxidos y otros compuestos. Si bien es esencial en cantidades traza para funciones biológicas, ciertos compuestos de Cromo, particularmente el Cromo hexavalente, son conocidos por ser tóxicos y cancerígenos, lo que requiere un manejo y regulación cuidadosos.
Fórmula:Cr
InChI:InChI=1S/Cr
Clave 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%)
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  • 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%
    Forma y color:Metallic grey, Chunks or pieces or granules, 2-15 mm (0.08-0.59 in.)
    Peso molecular:52.00

    Ref: 02-010453

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  • Chromium pieces, irregular, 99% (metals basis)

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    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

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  • Chromium granules, -4+7 mesh, 99.999% (metals basis)

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    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
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    Forma y color:Granules,
    Peso molecular:52.00

    Ref: 02-042926

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

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    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
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    Pureza:99.2%
    Forma y color:Pieces, 3-12mm
    Peso molecular:52.00

    Ref: 02-000472

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  • Chromium powder, -200 mesh, 99.94% (metals basis)

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    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
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  • Chromium powder, -10+20 mesh, 99.996% (metals basis)

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    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
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    Forma y color:Powder, -10+20 mesh
    Peso molecular:52.00

    Ref: 02-010452

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  • Chromium cubes, typically 6.35mm (0.25in) square, 99.95% (metals basis)

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    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
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    Pureza:99.95%
    Forma y color:Gray, cube, typically 6.35mm (0.25in) square.
    Peso molecular:52.00

    Ref: 02-042310

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    50g
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  • Chromium pieces, electrolytic, 6mm & down, Puratronic™, 99.997% (metals basis)

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    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
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    Pureza:99.997%
    Forma y color:Metallic grey, Pieces, ≤6 mm
    Peso molecular:52.00

    Ref: 02-010151

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  • Chromium powder, -60 mesh, 99.95% (metals basis)

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    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
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    Peso molecular:52.00

    Ref: 02-044556

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  • Chromium sputtering target, 76.2mm (3.0in) dia x 6.35mm (0.250in) thick, 99.95% (metals basis)

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    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
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    Pureza:99.95%
    Forma y color: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 powder, -100+325 mesh, 99.97% (metals basis)

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    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
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  • Chromium powder, APS <10 micron, 99.2% (metals basis)

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    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
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    Peso molecular:52.00

    Ref: 02-041797

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  • Chromium cubes, 12.5mm (0.492in) square, 99.97% (metals basis)

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    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
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    Pureza:99.97%
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    Peso molecular:52.00

    Ref: 02-010149

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  • Chromium sputtering target, 50.8mm (2.0in) dia x 3.18mm (0.125in) thick, 99.95% (metals basis)

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    Magnetron sputtering source
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  • Chromium powder, -325 mesh, 99% (metals basis)

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    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
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    Forma y color:Powder, -325 mesh
    Peso molecular:52.00

    Ref: 02-010148

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    286,00€
  • Chromium chunks, 2-15mm (0.08-0.59in), 99.996% (metals basis)

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    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%
    Forma y color:Chunks, 2-15 mm (0.08-0.59 in.)
    Peso molecular:52.00

    Ref: 02-044565

    10g
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    50g
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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
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    Ref: 02-043066

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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
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    250g
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  • Chromium powder, -100 mesh, 99% (metals basis)

    CAS:
    Apparent density 2.0-3.0g/cm3
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    Pureza:99%
    Forma y color:Powder, -100 mesh
    Peso molecular:52.00

    Ref: 02-010147

    10g
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    100g
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    500g
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    2kg
    1.208,00€
  • 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%
    Forma y color:Metallic grey, 2-3 mm along the width, broken plate irregular pieces
    Peso molecular:52.00

    Ref: 02-038494

    50g
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    250g
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