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Al2O3 Aluminium Oxide CAS 1344-28-1

Aluminum oxide commonly known as bauxite, chemical formula Al2O3, a refractory and insoluble in water white powder. Melting point of 2015 ℃, boiling point of 2980 ℃, relative density of 4.0, Mohs hardness of 8.8, with different crystal type, mainly α and γ two variants. Aluminum hydroxide can be obtained by heating and dehydration of aluminum oxide. Alpha-type alumina exists in nature, known as corundum, the hardness is second only to diamond, mixed with a small amount of impurities can make corundum with a variety of colors, known as gemstones, such as ruby (containing a small amount of Cr3 +) and sapphire (containing Ti3 + and Fe2 +, Fe3 +), and now can be used in the artificial crystallization of fused alumina to manufacture gemstones.
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  • 1344-28-1

  • bosschem

  • 1344-28-1

Aluminum oxide

CAS 1344-28-1

Alias:Al2O3;Aluminum Oxide, Neutral, Brockmann Activity Grade

Molecular formula:Al2O3

Molecular weight:101.96

Structural formula:

氧化铝 结构式

1.Performance and use

Diversification of alumina properties make it has a wide range of uses, but more than 90% is used for the production of metal aluminum, the rest is used as a filler for plastics and other polymer products, adsorbents and catalysts, pharmaceuticals, cosmetics and chemical raw materials, ceramics, abrasives and refractory materials and so on. China is used to call it special alumina or multi-species alumina. Its varieties and needs have a growing trend.

Used in electronic ceramics, vacuum tube shells, spark plugs, textile ceramic parts, wear-resistant ceramic parts, water valve piece, perm plate, etc.

2.Technical indicators

Product name
Aluminum oxide
The total impurity max 0.2%
The Single impurity max 0.1%
Loss on drying max 0.05%
Residue on ignition max 0.03%
Storage Temp Store below +30°C


3. Packaging and storage  

Packaging specification: 25kg/cardbord drum.

During transportation, it is necessary to protect against sunlight, rain, and high temperatures.

The product should be stored in a cool, dark, ventilated place, away from sources of fire.

4. Safety protection

Pay attention to labor protection when handling it and avoid contact with skin, eyes, etc.

After contact, rinse immediately with plenty of water


Related keywords:

Electronic ceramics

Al2O3

al2o3 aluminum oxide

aluminum oxide ceramic



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