triethylaluminum

Also known as triethylalumane

Triethylaluminium is one of the simplest examples of an organoaluminium compound. Despite its name, the compound has the formula Al2(C2H5)6 (abbreviated as Al2Et6 or TEA). This colorless liquid is pyrophoric. It is an industrially important compound, closely related to trimethylaluminium.

Chemical data

Formula: C6H15Al
Molecular weight: 114.16 g/mol
IUPAC name: triethylalumane
SMILES: CC[Al](CC)CC
InChIKey: VOITXYVAKOUIBA-UHFFFAOYSA-N
Polar surface area: 0 Å²
H-bond donors: 0
H-bond acceptors: 0
Formal charge: 0

via PubChem

Wikidata facts

Subclass of: chemical compound
Has part: hydrogen
Mass: 114.099

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canonical SMILES: CC[Al](CC)CC
chemical formula: C₆H₁₅Al
Commons category: Triethylaluminium

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Encyclopedic overview

10 sections

Contents

Structure and bonding
Synthesis and reactions
Reactivity
Applications
Precursors to fatty alcohols
Co-catalysts in olefin polymerization
Reagent in organic and organometallic chemistry
Pyrophoric agent
See also
References

== Structure and bonding == The structure and bonding in Al2R6 and diborane are analogous (R = alkyl). Referring to Al2Me6, the Al-C(terminal) and Al-C(bridging) distances are 1.97 and 2.14 Å, respectively. The Al center is tetrahedral. The carbon atoms of the bridging ethyl groups are each surrounded by five neighbors: carbon, two hydrogen atoms and two aluminium atoms. The ethyl groups interchange readily intramolecularly. At higher temperatures, the dimer cracks into monomeric AlEt3.

Excerpted from Wikipedia’s “triethylaluminum” article, available under the CC BY-SA 4.0 licence.

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