Aluminium German Dark Powder Very Fine 1-3um - 10g

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

Explosives precursor listed in Annex II to Regulation (EU) 2019/1148 on the marketing and use of explosives precursors. All suspicious transactions and significant cases of disappearance and theft should be reported to the National Contact Point within 24 hours of recognition or discovery.