Aluminium monoacetate

Aluminium monoacetate, also known as dibasic aluminium acetate, and formally named dihydroxy aluminium acetate, is a salt of aluminium with acetic acid. It has the formula Al(OH)2(CH3COO), with aluminium in an oxidation state of +3, and appears under standard conditions as a white solid powder.[1]

Aluminium monoacetate
Names
IUPAC name
Aluminium monoacetate
Other names
Basic aluminium monoacetate Dihydroxyaluminum acetate
Identifiers
3D model (JSmol)
ChEMBL
ChemSpider
UNII
Properties
(HO)2AlCH3CO2 or C2H5AlO4
Molar mass 120.04 g/mol
Appearance White powder
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
For other aluminium acetate compounds, see aluminium acetate.

Chemistry

Aluminium monoacetate is prepared from the reaction between Al(OH)3 and dilute aqueous acetic acid.[1] It is also formed from the successive hydrolysis of aluminium triacetate.[2][3]

Al(CH3COO)3 + H2O → Al(OH)(CH3COO)2 + CH3COOH
Al(OH)(CH3COO)2 + H2O → Al(OH)2(CH3COO) + CH3COOH

Uses

Aluminium monoacetate is a dermatological agent used as an antiseptic and astringent.[4] It is used as an antiseptic to reduce the possibility of infection in minor wounds, cuts, and burns. Specifically, it treats itching, stinging of the infected skin, inflammation, and it promotes healing. It also can be used as a topical astringent to help shrink the body's tissues when applied to the skin as it acts as a protective layer on irritated and inflamed skin.

References
  1. Wade, K. (1973). The Chemistry of Aluminium, Gallium, Indium and Thallium : Comprehensive Inorganic Chemistry. Banister, A. J., Bailar, J. C., Emeléus, H. J., Nyholm, Ronald. Saint Louis: Elsevier Science. p. 1047. ISBN 978-1-4831-5322-3. OCLC 953379198.
  2. Daintith, John, ed. (2008). "Aluminium ethanoate (aluminium acetate)". A Dictionary of Chemistry (6th ed.). Oxford University Press. ISBN 9780199204632.
  3. "CharChem. Dihydroxyaluminum Acetate". easychem.org. Retrieved 2020-07-19.
  4. Triggle, David; Ganellin, C.R. (1997). Dictionary of Pharmacological Agents. Cambridge: Chapman & Hall. pp. 595, 600. ISBN 0412466309.
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