Coarse powder Aluminium >99.7% Size <3 mm - 10 g

Coarse Aluminium Powder (>99.7%)
Other Names: Aluminium granules, Aluminium coarse powder

CAS Number: 7429-90-5
Sum Formula: Al
Molar Mass: 26.98 g/mol
Appearance: Silver-gray metallic granules

Coarse aluminium powder consists of irregular or rounded metallic granules with a high purity level (>99.7%). It is commonly used in metallurgical processes, pyrotechnics, and chemical manufacturing. Due to its reactive nature, especially with oxidizing agents, it is regulated as an explosives precursor under EU Regulation 2019/1148.

Chemical and Physical Properties
Density: ~2.70 g/cm³
Melting Point: 660.3°C
Boiling Point: 2470°C
Particle Size Range: 0.8 – 3.0 mm
Solubility in Water: Reacts slowly with water forming hydrogen gas (especially under alkaline conditions)
Solubility in Other Solvents: Insoluble in organic solvents
Odor: Odorless

Applications
Metallurgical Industry: Used for aluminium alloy production, steel deoxidation, and refining processes.
Chemical Industry: Employed as a reducing agent in various chemical syntheses.
Pyrotechnics and Propellants: Utilized as a fuel component in pyrotechnic mixtures and energetic materials.
Additive Manufacturing: Studied for incorporation into metal-based composites and powder metallurgy.
Coatings and Surface Treatments: Used for production of metallic paints and corrosion-resistant coatings.

Safety

Signal Word: Danger

Handling and Storage
Storage Conditions: Store in a tightly closed container in a dry, cool, and well-ventilated area. Protect from moisture, strong oxidizers, acids, and ignition sources.
Handling Precautions: Handle under dry conditions only. Use appropriate PPE to prevent inhalation of dust and minimize static discharge risks.

Regulatory Information:
Explosives Precursor Regulation (EU) 2019/1148:
All suspicious transactions, significant disappearances, or thefts must be reported immediately to the National Contact Point within 24 hours.