Aluminium Oxide

CAS Number
1344-28-1
EC Number
215-691-6

What is Aluminium Oxide?

Aluminium Oxide (CAS 1344-28-1), commonly known as Alumina, is an inorganic mineral sourced in multiple industrial grades for refining, abrasive, and catalytic processes.

Where is Aluminium Oxide used?

  • Petroleum refining: catalyst carrier for hydrodesulfurization and fixed-bed reactions
  • Abrasives: fused or calcined grades for grinding, polishing and lapping metals, ceramics and composites
  • Water treatment: activated Alumina removes fluoride and arsenic from drinking water
  • Electronics: high-purity Alumina as insulating substrate and thermal barrier
  • It functions as a catalyst support, abrasive medium and surface treatment agent.

Good to know: High surface area and thermal stability determine catalyst performance; consistent dielectric properties are critical to component qualification in aerospace.

Commercial specifications

  • Powder, granules and shaped pellets; particle size specified to requirements
  • Grades: activated, calcined, fused and tabular
  • Technical, refractory and high-purity grades
  • Select products meet USP or Ph. Eur. standards

Other Names (Synonyms)

dialuminum;tris(oxygen(2-))|Alumina

Contact us for supply of Aluminium Oxide

Request Quote

What are the physical properties of Aluminium Oxide?

Melting Point ~2000 °C (approx)
Boiling Point 2980 °C
Density 4.0 g/cm³ @ Temp: 20 °C
Flash Point 2980°C
Appearance Aluminum is a combustible, light, silverywhite, soft, ductile, malleable, amphoteric metal
Color White to pink
Odor Odorless
Form powder
Water Solubility INSOLUBLE
Vapor Pressure 17 mm Hg ( 20 °C)
Refractive Index 1.765
pH 7.0±0.5 ( in H2O)

How is Aluminium Oxide classified and handled safely? Learn More

Warning
GHS07· Irritant GHS08· Health Hazard

Hazard Statements

H335 May cause respiratory irritation
H372 Causes damage to organs through prolonged or repeated exposure

Precautionary Statements

P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.

Which trade and regulatory codes apply to Aluminium Oxide?

HS Code 28181010
Storage Class 11 - Combustible Solids
Call Request Quote