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CAS 1344-28-1

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Alumina

Description:
Alumina, chemically known as aluminum oxide, is a white, odorless powder with the formula Al₂O₃. It is a key component in various industrial applications, primarily due to its hardness and thermal stability. Alumina exhibits excellent electrical insulation properties and is chemically inert, making it resistant to corrosion and degradation in harsh environments. It has a high melting point, which contributes to its use in refractory materials. In addition to its structural applications, alumina is also utilized as an abrasive and in the production of aluminum metal through the Bayer process. The substance exists in several crystalline forms, including alpha (α-Al₂O₃) and gamma (γ-Al₂O₃), each with distinct properties and uses. Furthermore, alumina is commonly used as a catalyst support in chemical reactions and in the manufacture of ceramics and glass. Its biocompatibility also allows for applications in medical devices and implants. Overall, alumina is a versatile material with significant importance across various industries.
Formula:Al2O3
InChI:InChI=1/2Al.3O/q2*+3;3*-2
Synonyms:
  • 0.1Cr
  • 1067-2M
  • 132Dl
  • 1330Dl
  • 201P2
  • 202P1
  • 24A
  • 26N0811Upa
  • 272La-A5
  • 2N
  • See more synonyms
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products per page.Found 109 products.
  • Aluminum(III) Oxide, AEROXIDE® Alu C

    CAS:
    Formula:Al2O3
    Color and Shape:White to Almost white powder to crystal
    Molecular weight:101.96

    Ref: 3B-A3546

    100g
    58.00€
  • Aluminum oxide, activated, neutral, γ-phase, 99.9% (metals basis)

    CAS:
    <p>Aluminum oxide is used as an adsorbent, desiccating agent and in the manufacture of dental cements and refractories. It is used in protein extraction as a component in the preparation of tissues and in bushings, spindles, lapping, polishing, refractory coating for investment casting shells, decorat</p>
    Formula:Al2O3
    Purity:99.9%
    Molecular weight:101.96

    Ref: 02-043266

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  • Aluminum oxide, basic, HPLC Flash Grade

    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>
    Formula:Al2O3
    Molecular weight:101.96

    Ref: 02-046071

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  • Aluminum oxide, γ-phase, nanopowder, 99+%

    CAS:
    <p>Aluminum oxide is used in protein extraction as a component in the preparation of tissues. It is also used as a grinding or blending agent. It can act as a catalyst in a variety of reactions such as the Claus process. It is used in the production of aluminum, manufacture of abrasives, refractories, </p>
    Formula:Al2O3
    Purity:99+%
    Color and Shape:White, Powder
    Molecular weight:101.96

    Ref: 02-044757

    25g
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    100g
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  • Aluminum oxide, fused, insulating powder, 99.7+%

    CAS:
    <p>Form: approx. 180 micron</p>
    Formula:Al2O3
    Purity:99.7+%
    Molecular weight:101.96

    Ref: 02-033199

    1kg
    99.00€
    5kg
    315.00€
  • Aluminum oxide, γ phase, Catalyst support, High surface area, Bimodal

    CAS:
    <p>Aluminum oxide finds applications in catalyst support, chemical sensors, as an absorbent for gases and water vapors, manufacturing of abrasives, refractories, ceramics, electrical insulators and resistors, paper, crucibles, as chromatographic matrix, in fluxes, light bulbs and heat-resistant fiber. </p>
    Formula:Al2O3
    Color and Shape:White, Pellets
    Molecular weight:101.96

    Ref: 02-043832

    1kg
    282.00€
    50g
    39.00€
    5kg
    1,091.00€
    250g
    93.00€
  • Aluminum oxide, 20% in H{2}O, colloidal dispersion

    CAS:
    <p>Effective in high temperature refractories as a stable binder</p>
    Formula:Al2O3
    Molecular weight:101.96

    Ref: 02-012733

    1kg
    52.00€
    2x2.5kg
    184.00€
  • Aluminum oxide, activated, neutral, Brockmann Grade II

    CAS:
    <p>Aluminum oxide is used as an abrasive, dosimeter, filler of choice for plastics, ingredient in sunscreen and cosmetics. Aluminum oxide flakes are also used in paint for providing reflective decorative effects. In laboratories it is widely used as a medium for chromatographic purifications. It is use</p>
    Formula:Al2O3
    Color and Shape:White to pale cream, Powder
    Molecular weight:101.96

    Ref: 02-A17141

    500g
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    2500g
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  • Aluminum oxide, Drysphere∣r desiccant, without indicator

    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>
    Formula:Al2O3
    Molecular weight:101.96

    Ref: 02-046172

    100g
    To inquire
  • Aluminum oxide, Drysphere∣r desiccant, without indicator

    CAS:
    <p>Aluminum oxide, Drysphere desiccant, without indicator</p>
    Formula:Al2O3
    Color and Shape:Spheres, White to pale gray
    Molecular weight:101.96

    Ref: 02-046093

    1kg
    111.00€
    250g
    43.00€
  • Aluminum oxide desiccant, regular

    CAS:
    <p>Aluminum oxide is used in dessicators ceramics, coating material and electrical insulators. It is an ingredient in sunscreen, sometimes present in cosmetics such as blush, lipstick, and nail polish. Aluminum oxide is the catalyst in the Claus process in hydro desulfurization and some Ziegler-Natta p</p>
    Formula:Al2O3
    Molecular weight:101.96

    Ref: 02-044018

    2kg
    239.00€
    100g
    40.00€
    500g
    107.00€
  • Aluminum oxide, α-phase, γ-phase, 99.99% (metals basis)

    CAS:
    <p>It is used in stainless steel coating and in microwave applications. It is used as an adsorbent, desiccating agent, grinding or blending agent, abrasive agent and catalyst, and in the manufacture of dental cements and refractories. Industrial applications include electrical and electronic products, </p>
    Formula:Al2O3
    Purity:99.99%
    Molecular weight:101.96

    Ref: 02-014558

    25g
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    100g
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    500g
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  • Aluminum oxide, 5016-A, Basic, Brockmann Grade I

    CAS:
    <p>Aluminum oxide is used as an abrasive, dosimeter, filler of choice for plastics, ingredient in sunscreen and cosmetics. Aluminum oxide flakes are also used in paint for providing reflective decorative effects. In laboratories it is widely used as a medium for chromatographic purifications. It is use</p>
    Formula:Al2O3
    Molecular weight:101.96

    Ref: 02-011503

    1kg
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    5kg
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    250g
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  • Aluminum oxide, super activated, basic, Grade I

    CAS:
    <p>Aluminum oxide is used as an abrasive, dosimeter, filler of choice for plastics, ingredient in sunscreen and cosmetics. Aluminum oxide flakes are also used in paint for providing reflective decorative effects. In laboratories it is widely used as a medium for chromatographic purifications. It is use</p>
    Formula:Al2O3
    Molecular weight:101.96

    Ref: 02-045886

    1kg
    To inquire
    250g
    To inquire
  • Aluminum oxide, 99% (metals basis)

    CAS:
    <p>It finds applications in catalyst support, chemical sensors, as absorbent for gases and water vapors, manufacturing of abrasives, refractories, ceramics, electrical insulators and resistors, paper, crucibles, as chromatographic matrix, in fluxes, light bulbs, heat-resistant fiber. Heavy quantity of </p>
    Formula:Al2O3
    Purity:99%
    Molecular weight:101.96

    Ref: 02-012553

    2kg
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    500g
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  • Aluminum oxide, α-phase, 99.99% (metals basis)

    CAS:
    <p>Aluminum oxide is widely used in a variety of plastics, rubber, ceramics, refractory products for reinforcement toughening. It is also useful to produce artificial ruby, sapphire, yttrium aluminum garnet. It is useful in the field of fiber fabric products and high pressure sodium lamp as far-infrare</p>
    Formula:Al2O3
    Purity:99.99%
    Molecular weight:101.96

    Ref: 02-036341

    25g
    96.00€
    100g
    299.00€
  • Aluminum oxide, Aerosol Refractory Brushable Paint

    CAS:
    <p>Provides protective high temperature Al2O3 coating on ceramic, graphite, or metal</p>
    Formula:Al2O3
    Molecular weight:101.94782

    Ref: 02-043119

    1kg
    553.00€
    250g
    To inquire
  • Aluminum oxide, acidic, HPLC Flash Grade

    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>
    Formula:Al2O3
    Color and Shape:White to pale pink, Powder
    Molecular weight:101.96

    Ref: 02-045956

    100g
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    500g
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  • Aluminum oxide, γ-phase, 99.97% (metals basis)

    CAS:
    <p>Aluminum oxide, is useful to produce aluminum metal. It has many uses in pharmaceutical and industrial manufacturing processes as an adsorbent, desiccating agent, and catalyst, and in the manufacture of dental cements, available in toothpaste, as a dispersing agent food additive, and for uses in he</p>
    Formula:Al2O3
    Purity:99.97%
    Molecular weight:101.96

    Ref: 02-039812

    25g
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    100g
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    500g
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  • Aluminum oxide, single crystal

    CAS:
    <p>Aluminum oxide, single crystal</p>
    Formula:Al2O3
    Molecular weight:101.96

    Ref: 02-040261

    1pc
    68.00€
    5pc
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