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Aluminum Oxide (Corundum) (Al₂O₃) — Properties, Uses & Safety

⚙️ Metal Compounds & Salts

Overview

Corundum in pure form; ruby and sapphire are colored varieties. Used as an abrasive, refractory material, and in ceramics.

IUPAC Name: aluminum oxide
CAS Number: 1344-28-1
PubChem CID: 9989226
Molecular Formula: Al₂O₃
Molar Mass: 101.961 g/mol
State at STP: solid
Appearance: White powder to crystalline solid; ruby/sapphire are colored forms

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