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1344-28-1

Basic Information
CAS No.: 1344-28-1
Name: Aluminum oxide
Article Data: 1267
Cas Database
Molecular Structure:
Molecular Structure of 1344-28-1 (Aluminum oxide)
Formula: Al2O3
Molecular Weight: 101.961
Synonyms: AD 998;AES 11C;AES 22S;AES-T;AF 115;AFL 204AB3;AG 507C;AGX (oxide);AHP 200(oxide);AKP 008;AKP 100;AKP 20;AKP 28;AKP 48 (oxide);AKP 53;AKP 700;AKP-G;AKP-G005;AKP-G 020;AKP-G 030;AKP-HP;AL 15-1;AL 15-2;AL 160SG-III;AL 160SG3;AL 160SG4;AL 200;AL 203-05;AL 203C;AL 20SD;AL23;AL 23 (oxide);AL31-03;AL 33;AL 3945E;AL 41;activated alumina;1067-2M;202P1;24A;272LA-A5;A 12 (metal oxide);A 12-4;A 1203C;A 13;A 13M;A 14 (alumina);A 152GR;A 152SG;A16;A 16SG;A 16UG;AA 03;AA 10;AA 2;AA 3;AA 400G;AC 11;AC 11K;AC 11R;Aluminium Hydroxide;
EINECS: 215-691-6
Density: 3.95-4.1 g/cm3
Melting Point: 2040 °C
Boiling Point: 2980 °C
Flash Point: 2980°C
Solubility: insoluble in water
Appearance: white odorless crystalline powder
Hazard Symbols: IrritantXi,FlammableF
Risk Codes: 36/37/38-67-36/38-11
Safety: 26-24/25-16-7-36
Transport Information: UN 1950
PSA: 0.00000
LogP: 0.31860
Synthetic route

aluminum trihydroxide

aluminium oxide

κ-alumina

1344-28-1

alumina

Conditions
ConditionsYield
In neat (no solvent) heating (990°C);
In neat (no solvent) heating (920°C);A n/a
B <1
C n/a

aluminum trihydroxide

aluminium oxide

κ-alumina

1344-28-1

alumina

aluminum oxide

Conditions
ConditionsYield
In neat (no solvent) heating (1060°C);A n/a
B n/a
C n/a
D <1

aluminum trihydroxide

aluminium oxide

aluminum(III) oxide

1344-28-1

alumina

Conditions
ConditionsYield
In neat (no solvent, solid phase) byproducts: H2O; heated at 400°C for 24 h; X-ray powder diffraction;

aluminum trihydroxide

aluminium oxide

1344-28-1

alumina

Conditions
ConditionsYield
In neat (no solvent) heating (750 - 900°C);

gibbsite

1344-28-1

alumina

Conditions
ConditionsYield
heating at 600°C;

aluminium trichloride hexahydrate

aluminium oxide

1344-28-1

alumina

Conditions
ConditionsYield
In neat (no solvent) 1070 K; high temp. XRD; DTA; TG; electron microscopy;

aluminium hydroxide

1344-28-1

alumina

Conditions
ConditionsYield
calcination at 500°C;
7446-70-0

aluminium trichloride

1344-28-1

alumina

Conditions
ConditionsYield
With air In solid direct thermal decompn., evacuated at 600°C for 3 h; X-ray diffraction analysis;

gibbsite

1344-28-1

alumina

Conditions
ConditionsYield
In neat (no solvent) electron beam irradiation;

aluminum trihydroxide

1344-28-1

alumina

Conditions
ConditionsYield
heating;
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    Aluminum oxide

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    Product Name Aluminum oxide Synonyms Aluminum oxide, alpha-phase;Alumina mat , sheet;Alumina powder (Al2O3);Alumina powder , ball-like (Al2O3);Alumina powder , sphere (Al2O3);Alumina sphere;Alumina substrate;Alumina supporte

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  • Aluminum oxideCAS NO.: 1344-28-1

  • Casno:

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    Aluminum oxideCAS NO.: 1344-28-1

    Min.Order: 1 Gram

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    Aluminumoxide

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  • Aluminum oxide 150 basic(Type T).99%

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    1344-28-1

    Aluminum oxide 150 basic(Type T).99%

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    Aluminium Oxide

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  • High Purity Aluminum Oxide

  • Casno:

    1344-28-1

    High Purity Aluminum Oxide

    Min.Order: 1 Kilogram

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    Product name: Aluminum Oxide CAS No.:1344-28-1 Molecule Formula:Al2O3 Molecule Weight:101.96 Purity: 98.6% Package: 25kg/bag Description:White powder Manufacture Standards:Enterprise Standard Testing Items

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Specification

Aluminium oxide is a chemical compound of aluminium and oxygen with the chemical formula Al2O3. With the CAS registry number 1344-28-1, it is also named as Activated aluminum oxide. The product's categories are Industrial / Fine Chemicals; Inorganics; Alumina & Aluminum Hydroxide TLC Adsorbents; Bulk Adsorbents for TLC; Thin Layer Chromatography (TLC); Al; Aluminum Materials Science; Nanomaterials Materials Science; Metal and Ceramic Science; Nanoparticles: Oxides, Nitrides, and Other Ceramics Nanomaterials; Oxides, and the other registry numbers are 107462-07-7; 107874-14-6; 122784-35-4; 12522-88-2; 127361-04-0; 12737-16-5; 131689-14-0; 135152-65-7; 135667-70-8; 138361-58-7; etc. Besides, it is white odorless crystalline powder, which should be stored in dry, ventilated warehouse. In addition, its molecular formula is Al2O3 and molecular weight is 101.96.

The other characteristics of Aluminum oxide can be summarized as: (1)EINECS: 215-691-6; (2)Refractive index: 1.765; (3)H-Bond Donor: 0; (4)H-Bond Acceptor: 3; (5)Rotatable Bond Count: 0; (6)Exact Mass: 101.947821; (7)MonoIsotopic Mass: 101.947821; (8)Topological Polar Surface Area: 43.4; (9)Heavy Atom Count: 5; (10)Complexity: 34.2; (11)Density: 3.95-4.1 g/cm3; (12)Melting point: 2072 °C; (13)Boiling point: 2977 °C; (14)Flash Point: 2980 °C; (15)Vapor pressure: 17 mm Hg ( 20 °C).

Preparation of Aluminum oxide: Aluminum oxide can be prepared by calcining of bauxite.
2 Al(OH)3 → Al2O3 + 3 H2O
The reaction consists several phases of alumina rather than solely corundum.

Uses of Aluminum oxide: Aluminum oxide is used as a filler that is a common ingredient in sunscreen. It is also used as a catalyst and catalyst support for the manufacture of many industrial catalysts. What's more, it is used to remove water from gas streams. And it can be used as a coarse or fine abrasive. In dentistry, it is also used as a polishing agent to remove stains. It is used as a material in hip replacements in health and medical applications. Furthermore, it can be used as a medium for chromatography,  a dosimeter for radiation protection and therapy applications for its optically stimulated luminescence properties in laboratory. And it is used in the fabrication of superconducting devices. Similarly, it can be used to purify Bauxite.
Al2O3 + 3 H2O → 2 Al(OH)3

When you are using Aluminum oxide, please be cautious about it as the following: it is highly flammable. Please keep away from sources of ignition. Moreover, it is irritating to eyes, respiratory system and skin. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. And you should wear suitable protective clothing to avoid contact with skin and eyes. Additionally, its apours may cause drowsiness and dizziness. Please keep container tightly closed.  

You can still convert the following datas into molecular structure:
(1)SMILES: [O-2].[O-2].[O-2].[Al+3].[Al+3];
(2)InChI: InChI=1/2Al.3O/q2*+3;3*-2 ;
(3)InChIKey: PNEYBMLMFCGWSK-UHFFFAOYAC;