Aluminum Oxide

Al₂O₃

IUPAC: Aluminium oxide

CAS: 1344-28-1

개요

Aluminum oxide (alumina) is an extremely hard ceramic material. Natural corundum, rubies, and sapphires are crystalline forms of Al₂O₃.

구성

원소 기호 원자 원자 질량
Oxygen O 3 15.9990
Aluminum Al 2 26.9820

원소 구성

O
Oxygen ×3
47.1%
Al
Aluminum ×2
52.9%

용도

  • • Aluminum production
  • • Abrasives
  • • Ceramic insulators
  • • Gemstones

흥미로운 사실

  • ✦ Rubies and sapphires are Al₂O₃ crystals colored by trace impurities — chromium for rubies, iron/titanium for sapphires

Structure

SMILES

[O-2].[O-2].[O-2].[Al+3].[Al+3]

성질

유형
oxide
상태
solid
몰 질량
101.96 g/mol
밀도
3.9500 g/cm³
녹는점
2072.0 °C
끓는점
2977.0 °C
용해도
Insoluble

Molecular Descriptors

Exact Mass
101.9478
TPSA
3.0 Ų
H-Bond Donors
0
H-Bond Acceptors
3
Rotatable Bonds
0
Heavy Atoms
5
Complexity
0.0

관련 화합물

Bismuth(III) Oxide

Bi₂O₃

Carbon Monoxide

CO

Chromium Trioxide

CrO₃

Cobalt(II) Oxide

CoO

Copper(I) Oxide

Cu₂O

Lithium Nickel Manganese Cobalt Oxide

LiNi₀.₃₃Mn₀.₃₃Co₀.₃₃O₂

Gallium(III) Oxide

Ga₂O₃

Antimony Trioxide

Sb₂O₃

Beryllium Oxide

BeO

Cadmium Oxide

CdO

Frequently Asked Questions

What is Aluminum Oxide?
Aluminum Oxide (Al₂O₃) is a oxide compound with the IUPAC name Aluminium oxide.
What is the molecular weight of Aluminum Oxide?
Aluminum Oxide has a molar mass of 101.96 g/mol.
What state is Aluminum Oxide at room temperature?
Aluminum Oxide is a solid at room temperature.
Is Aluminum Oxide organic or inorganic?
Aluminum Oxide is classified as an inorganic compound.
What elements make up Aluminum Oxide?
Aluminum Oxide (Al₂O₃) is composed of Oxygen (O), Aluminum (Al).