Aluminium German Dark Powder Very Fine 1-3um - 5000g

Aluminium German Dark Powder

Synonyms: German Dark Aluminium, Pyro Aluminium Powder
CAS Number: 7429-90-5
EC Number: 231-072-3
Chemical Formula: Al
Molar Mass: 26.98 g/mol
Appearance: Fine dark gray to black metallic powder
Particle Size: 1–3 µm (microns)
Purity: Typically >99.7%

Chemical and Physical Properties

• Density: ~2.70 g/cm³

• Melting Point: 660 °C

• Boiling Point: 2,470 °C

• Solubility: Insoluble in water; reacts with strong acids and bases

• Surface Area: High, due to ultra-fine particle size

• Reactivity: Reacts with air, moisture, and oxidizing agents

Applications

• Pyrotechnics: Used in flash powder, star compositions, and thermite mixtures

• Metallurgy: Acts as a reducing agent and alloying component

• Chemical Synthesis: Employed in reactions requiring highly reactive aluminium

• Paints and Coatings: Used in specialty pigments (non-aqueous systems)

• Additive Manufacturing: Sometimes used in energetic formulations or material modification

⚠️ This product is not intended for food, pharmaceutical, or cosmetic applications.

Safety Information

Signal Word: ⚠️ Danger

Hazard Statements

• H228: Flammable solid

• H261: In contact with water releases flammable gases

• H315: Causes skin irritation

• H319: Causes serious eye irritation

• H410: Very toxic to aquatic life with long lasting effects

Precautionary Statements

• P210: Keep away from heat, sparks, open flames, hot surfaces – No smoking

• P223: Keep away from water

• P273: Avoid release to the environment

• P280: Wear protective gloves/eye protection/face protection

• P305+P351+P338: IF IN EYES: Rinse cautiously with water. Remove contact lenses if easy to do. Continue rinsing

• P501: Dispose of contents/container in accordance with local regulations

Handling and Storage

• Handling: Avoid friction, impact, and dust generation. Use spark-proof tools

• Storage: Store in a tightly sealed container in a cool, dry, inert atmosphere. Keep away from water and oxidizers