Aluminum ethoxide

Synonym: Aluminum triethoxide, Triethoxyaluminum, Aluminium Triethanolate, Al(OEt)3

CAS Number 555-75-9 | MDL Number MFCD00009658 | EC Number 209-105-8

Al(OEt)3 chemical structure

Product codeAL5759
CAS number555-75-9
Assay (purity)97%
Purity methodby titration: %Al = 16.1 -17.2 (complexometric)
Molecular weight162.16 g/mol
Melting point154-159 °C (309.2-318 °F)
Appearancewhite to grey powder or chunks
Molecular formulaC6H15AlO3
Linear formulaAl(OC2H5)3
Packagingglassware/metal containers/bubblers

Aluminum ethoxide has been applied as a precursor for the ALD deposition of Al2O3. The importance of this product as an alkoxide precursor in the tailoring of the structural and textural properties of γ-alumina was reported. It is also may be used to prepare esters from the corresponding aldehydes. See links below

Ereztech manufactures and sells this product in small and bulk volumes. Glass ampules, bottles or metal ampules or bubblers are available for packaging. For additional analytical information or details about purchasing AL5759 contact us at

Safety information

Hazardous class4.1 (8)
Packing groupII
Signal wordDANGER
Hazard statementsH228-H314-H318
Precautionary statementsP210-P240-P241-P260-P264-P280-P301 + P330 + P331-P303 + P361 + P353-P304 + P340-P305 + P351 + P338-P310-P334 + P335-P363-P370 + P378
Transport descriptionFlammable solids, corrosive, organic, n.o.s. (Aluminium triethanolate)
In TSCA registryYes

Certificates of Analysis (CoA)

If you don’t see the needed lot of Aluminum ethoxide below please contact customer support at

Lot# 026/113 Lot# 026/108 Lot# 018/169

External identifiers for Al(OEt)3

Pubchem CID16685041
IUPAC Nametriethoxyalumane
InchI IdentifierInChI=1S/3C2H5O.Al/c3*1-2-3;/h3*2H2,1H3;/q3*-1;+3

Known applications and external links

With Aluminum ethoxide other customers often ask:

Ereztech synthesizes and sells additional AL-compounds.

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