Aluminium

Aluminum
Other Names: Aluminium, Aluminium metal powder, Atomized aluminum

CAS Number: 7429-90-5
Sum Formula: Al
Molar Mass: 26.98 g/mol
Appearance: Silvery-gray to gray metallic dust

Aluminum in dust form is a fine particulate metallic powder widely used in metallurgical, energetic, and chemical processes. This grade, with approximately 95% purity, is suitable for industrial applications requiring high surface area and reactivity, such as coatings, metal alloys, and exothermic reactions.

Chemical and Physical Properties
Purity: 95%
Density: 2.70 g/cm³
Melting Point: 660.3°C
Boiling Point: 2519°C
Solubility in Water: Insoluble
Solubility in Other Solvents: Reacts with strong acids and alkalis
Odor: Odorless
Coverage Area: 7800–8500 cm²/g (high surface area)

Applications
Metallurgy: Used as an alloying component and in aluminothermic reactions (e.g., thermite).
Chemical Industry: Acts as a reducing agent in the synthesis of various compounds.
Paints and Coatings: Used in metallic pigments and corrosion-resistant coatings.
Pyrotechnics: Component in some energetic compositions requiring controlled reactivity.
Sintering and Powder Metallurgy: Employed in manufacturing lightweight metal parts.

Safety

Signal Word: Danger

Handling and Storage
Storage Conditions: Store in a tightly sealed, dry container in a cool, well-ventilated area. Keep away from moisture, acids, and oxidizing agents.
Handling Precautions: Avoid dust formation. Use non-sparking tools. Handle with care under controlled conditions, ideally in an inert atmosphere. Employ explosion-proof equipment and proper PPE.