229423

Aluminum oxide

powder, 99.99% trace metals basis

• Synonym(s): Alumina
• Linear Formula: Al₂O₃
• CAS Number: 1344-28-1
• Molecular Weight: 101.96
• EC Number: 215-691-6
• MDL number: MFCD00003424
• UNSPSC Code: 12352311
• eCl@ss: 38120402
• PubChem Substance ID: 329752360
• NACRES: SB.52

Properties

• Quality Level: 100
• Assay: 99.99% trace metals basis
• form: powder
• mp: 2040 °C (lit.)
• SMILES string: O=[Al]O[Al]=O
• InChI: 1S/2Al.3O
• InChI key: TWNQGVIAIRXVLR-UHFFFAOYSA-N

Description

General description

Aluminum oxide (Al₂O₃), also known as alumina. It is commonly used in various rubber, plastics, ceramics, and refractory materials for reinforcement hardening. It can also be used as a filler or component in polymer or inorganic composite materials, as a catalyst or catalyst support, as an adsorbent, etc.

Application

Aluminum oxide is used as

• Filler for plastics and a common ingredient in sunscreen and many cosmetics.
• As a catalyst for alcohol dehydration in the Claus process.
• As a catalyst in the conversion of urea to ammonia.

Features and Benefits

Aluminum oxide has:

• High porosity
• High surface area
• Acidic and basic property

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: nwg
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable