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Aluminum Oxide CAS#1344-28-1

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Chemical Name：Aluminum Oxide

CAS No.:1344-28-1

Molecular Formula：Al2O3

Molecular weight:101.96

Sample: Available

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Aluminum Oxide CAS#1344-28-1

The oxide of aluminum is Al2O3. The natural crystalline mineral is called corundum, but the synthetic crystals used for abrasives are designated usually as aluminum oxide or marketed under trade names. For other uses and as a powder, it is generally called alumina. It is widely distributed in nature in combination with silica and other minerals and is an important constituent of the clays for making porcelain, bricks, pottery, and refractories.

Aluminum Oxide CAS#1344-28-1

Melting point	2040 °C(lit.)
Boiling point	2980°C
density	3.97
vapor pressure	17 mm Hg ( 20 °C)
refractive index	1.765
Fp	2980°C
storage temp.	Sealed in dry,Room Temperature
solubility	Miscible with ethanol.
form	powder
color	White to pink
Specific Gravity	3.97
Odor	Odorless
PH Range	3.5 - 4.5
PH	7.0±0.5 ( in H2O)
Water Solubility	INSOLUBLE
Crystal Structure	Trigonal
crystal system	Three sides
Merck	14,356
Space group	R3c
Lattice constant	a/nmb/nmc/nmα/oβ/oγ/oV/nm30.475890.475891.299190901200.2548
Exposure limits	ACGIH: TWA 1 mg/m3 OSHA: TWA 15 mg/m3; TWA 5 mg/m3
Dielectric constant	4.5（Ambient）
InChIKey	PNEYBMLMFCGWSK-UHFFFAOYSA-N
CAS DataBase Reference	1344-28-1(CAS DataBase Reference)
NIST Chemistry Reference	Aluminum oxide(1344-28-1)
EPA Substance Registry System	Alumina (1344-28-1)