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CAS 7440-69-9

:

Wismut

Beschreibung:
Wismut, mit dem chemischen Symbol Bi und der CAS-Nummer 7440-69-9, ist ein Post-Übergangsmetall, das für seine einzigartigen Eigenschaften bekannt ist. Es hat eine relativ niedrige Dichte und eine hohe Atommasse, was es zu einem der schwersten stabilen Elemente macht. Wismut zeichnet sich durch seine spröde Natur und sein glänzendes, silber-weißes Aussehen mit einem leichten rosafarbenen Schimmer aus. Es zeigt eine niedrige Wärmeleitfähigkeit und ist im Vergleich zu anderen Metallen ein schlechter Leiter von Elektrizität. Wismut hat einen hohen Schmelzpunkt und dehnt sich beim Erstarren aus, was für Metalle ungewöhnlich ist. Chemisch ist es relativ inert, zeigt Widerstand gegen Oxidation und Korrosion und reagiert nicht mit Wasser oder verdünnten Säuren. Wismut-Verbindungen, wie Wismut-Subsalicylat, werden in der Medizin verwendet, insbesondere bei gastrointestinalen Problemen. Darüber hinaus ist Wismut im Vergleich zu anderen Schwermetallen ungiftig, was es zu einer sichereren Alternative in verschiedenen Anwendungen, einschließlich Kosmetika und Pharmazeutika, macht. Seine einzigartigen Eigenschaften und die geringe Toxizität haben zu einem gestiegenen Interesse an seiner Verwendung in verschiedenen industriellen und medizinischen Anwendungen geführt.
Formel:Bi
InChl:InChI=1S/Bi
InChI Key:InChIKey=JCXGWMGPZLAOME-UHFFFAOYSA-N
SMILES:[Bi]
Synonyme:
  • Bie11Pb
  • Bismut
  • Bismuth Powder [KP]
  • Bismuth element
  • Bismuth metal powder
  • Bismuth, elemental
  • Bismuth-209
  • Bismuto
  • Wismut
  • Bismuth
  • MeSH ID: D001729
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Produkte pro Seite.51 Produkte.
  • Bismuth rod, Puratronic™, 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: 02-047229

    1pc
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  • Bismuth shot, 1-5mm (0.04-0.20in), 99.999% (metal 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:Bi
    Reinheit:99.999%
    Molekulargewicht:208.98

    Ref: 02-038619

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  • Bismuth rod, 12.7mm (0.5in) dia, 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:Bi
    Reinheit:99.9%
    Farbe und Form:Rod, 12.7mm (0.5in) diameter., Silvery red
    Molekulargewicht:208.98

    Ref: 02-000915

    1kg
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  • Bismuth rod, 12.7mm (0.5in) 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:Bi
    Reinheit:99.999+%
    Farbe und Form:Silvery gray, Rod, 12.7mm (0.5in) diameter.
    Molekulargewicht:208.98

    Ref: 02-035854

    25g
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  • Bismuth powder, -200 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:Bi
    Reinheit:99.999%
    Farbe und Form:Gray
    Molekulargewicht:208.98

    Ref: 02-010766

    5g
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  • Bismuth granules, 1-2mm (0.04-0.08in), 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>
    Formel:Bi
    Reinheit:99.997%
    Molekulargewicht:208.98

    Ref: 02-044807

    100g
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    500g
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  • Bismuth polycrystalline lump, Puratronic&trade;, 99.998% (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:Bi
    Reinheit:99.998%
    Molekulargewicht:208.98

    Ref: 02-014442

    2kg
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  • Bismuth foil, 2.0mm (0.08 in.) 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:Bi
    Reinheit:99.999%
    Farbe und Form:Silver, Foil, 2.0mm (0.08in) thick.
    Molekulargewicht:208.98

    Ref: 02-041637

    25x25mm
    Nachfragen
  • Bismuth ingot/button, ^=36mm (1.4in) dia x 8mm (0.3in) thick, 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:Bi
    Reinheit:99.9%
    Farbe und Form:Ingot/button
    Molekulargewicht:208.98

    Ref: 02-045102

    1pc
    Nachfragen
  • Bismuth rod, 11mm (0.43in) dia, 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>
    Formel:Bi
    Reinheit:99.99%
    Molekulargewicht:208.98

    Ref: 02-041534

    25g
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  • Bismuth pieces, 10cm (3.9in) &amp; down, 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>
    Formel:Bi
    Reinheit:99.99%
    Farbe und Form:Gray, Pieces.
    Molekulargewicht:208.98

    Ref: 02-012208

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    250g
    Nachfragen
  • Bismuth foil, 1.0mm (0.04in) thick, 99.999% (metals basis)

    CAS:
    <p>Form: Approx. 6.1g/25 x 25mm</p>
    Reinheit:99.999%

    Ref: 02-041636

    25x25mm
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  • Bismuth powder, -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:Bi
    Reinheit:99.5%
    Farbe und Form:Off-white to grey, Powder, -325 mesh
    Molekulargewicht:208.98

    Ref: 02-010111

    100g
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  • Bismuth needles, 1-5cm (0.4-2in) long, 99.998% (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:Bi
    Reinheit:99.998%
    Molekulargewicht:208.98

    Ref: 02-010109

    2kg
    Nachfragen
    100g
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  • Bismuth needles, 99.99% (metals basis)

    CAS:
    <p>Form: Approx. 1.5-3.0mm diameter; Various lengths</p>
    Formel:Bi
    Reinheit:99.99%
    Molekulargewicht:208.98

    Ref: 02-041485

    2kg
    Nachfragen
    100g
    Nachfragen
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    Nachfragen
  • Bismuth powder, -100 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:Bi
    Reinheit:99.5%
    Molekulargewicht:208.98

    Ref: 02-010110

    2kg
    Nachfragen
    100g
    Nachfragen
    500g
    Nachfragen
  • Bismuth powder (99.5%)

    CAS:
    <p>Bismuth powder (99.5%)</p>
    Formel:Bi
    Reinheit:(99.5%)
    Farbe und Form:-200 mesh
    Molekulargewicht:208.98

    Ref: 08-93-8345

    100g
    56,00€
    500g
    236,00€
  • Bismuth shot (99.99%)

    CAS:
    <p>Bismuth shot, elongated (99.99%)</p>
    Formel:Bi
    Reinheit:(99.99%)
    Farbe und Form:~1.5-2mm dia. x 3-4mm long
    Molekulargewicht:208.98

    Ref: 08-93-8346

    100g
    82,00€
    500g
    302,00€
  • Bismuth powder (99.9%)

    CAS:
    <p>Bismuth powder (99.9%)</p>
    Formel:Bi
    Reinheit:(99.9%)
    Farbe und Form:-200 mesh
    Molekulargewicht:208.98

    Ref: 08-93-8347

    50g
    34,00€
    250g
    124,00€
  • Bismuth granules (99.9999%)

    CAS:
    <p>Bismuth granules (99.9999%)</p>
    Formel:Bi
    Reinheit:(99.9999%)
    Farbe und Form:1-3 mm
    Molekulargewicht:208.98

    Ref: 08-83-0050

    10g
    144,00€
    50g
    517,00€
    250g
    2.029,00€