Chemical & Physical Properties

• Chemical Formula: (C₂H₅)₃Al

• Molecular Weight: ~114.17 g/mol

• Appearance: Clear, colorless to slightly yellow liquid

• Density: ~0.835 g/cm³ at 20°C

• Boiling Point: ~194°C

• Melting Point: ~−52°C

• Flash Point: Pyrophoric (ignites spontaneously in air)

• Solubility: Reacts violently with water

Purity & Composition

• Purity: ≥ 95% (Typical: 98-99%)

• Aluminium Content: ~22-24%

• Hydrocarbon Content: Balance (Ethane, Higher Alkanes)

• Impurities:

  • Trialkylaluminium Halides: ≤ 0.05%

  • Heavy Metals (Fe, Ni, etc.): ≤ 10 ppm

Packaging & Storage

• Packaging: Supplied in steel cylinders or drums under inert gas (nitrogen/argon)

• Storage: Must be stored under an inert atmosphere, away from moisture and oxidizers

• Handling: Requires specialized equipment; highly reactive and pyrophoric

Applications

• Catalyst in Ziegler-Natta polymerization

• Reducing Agent in organic synthesis

• Co-catalyst in olefin polymerization

• Precursor in semiconductor & chemical vapor deposition (CVD) processes

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