Basic aluminium (or basic aluminum) is the name of more than one
functional group
In organic chemistry, a functional group is a substituent or moiety in a molecule that causes the molecule's characteristic chemical reactions. The same functional group will undergo the same or similar chemical reactions regardless of the re ...
consisting of
aluminium
Aluminium (aluminum in American and Canadian English) is a chemical element with the symbol Al and atomic number 13. Aluminium has a density lower than those of other common metals, at approximately one third that of steel. I ...
with one or two
hydroxy groups attached.
Dihydroxyaluminium, Al(OH)
2, also known as dibasic aluminium, is monovalent, and known in these compounds:
*Dihydroxyaluminium acetate, (HO)
2AlCH
3CO
2, also known as
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 ...
, basic aluminium monoacetate, dibasic aluminium acetate
*
Dihydroxyaluminium sodium carbonate
*
Aloglutamol, tris(hydroxymethyl)aminomethanegluconate dihydroxyaluminate
*
Aluminium monostearate
*
Carafate
*
Sucralfate
Sucralfate, sold under various brand names, is a medication used to treat stomach ulcers, gastroesophageal reflux disease (GERD), radiation proctitis, and stomach inflammation and to prevent stress ulcers. Its usefulness in people infected by ...
Hydroxyaluminium, Al(OH), also known as monobasic aluminium or basic aluminium, is divalent, and known in these compounds:
*Hydroxyaluminium diacetate, HOAl(CH
3CO
2)
2, also known as
aluminium diacetate
Aluminium diacetate, also known as basic aluminium acetate, is a white powder with the chemical formula C4H7AlO5. It is one of a number of aluminium acetates and can be prepared in a reaction of sodium aluminate (NaAlO2) with acetic acid.
Medici ...
, basic aluminium diacetate, basic aluminium acetate, monobasic aluminium acetate
Aluminium, Al, is trivalent.
Aluminium triacetate
Aluminium triacetate, formally named aluminium acetate, is a chemical compound with composition . Under standard conditions it appears as a white, water-soluble solid that decomposes on heating at around 200 °C. The triacetate hydrolysis, ...
, Al(CH
3CO
2)
3, is a complete molecule without any hydroxy groups, so it is not a "basic aluminum" compound.
Aluminium hydroxide
Aluminium hydroxide, Al(OH)3, is found in nature as the mineral gibbsite (also known as hydrargillite) and its three much rarer polymorphs: bayerite, doyleite, and nordstrandite. Aluminium hydroxide is amphoteric, i.e., it has both basic an ...
, Al(OH)
3, aluminium with three hydroxy groups attached, is a complete molecule, so it is not a "basic aluminum" compound.
Aluminium acetate Aluminium acetate or aluminium ethanoate (also "aluminum ~"), sometimes abbreviated AlAc in geochemistry, can refer to a number of different salts of aluminum with acetic acid. In the solid state, three salts exist under this name: basic aluminium ...
is a name for three salts in the solid state: dihydroxyaluminium aluminium acetate, hydroxyaluminium diacetate, and
aluminium triacetate
Aluminium triacetate, formally named aluminium acetate, is a chemical compound with composition . Under standard conditions it appears as a white, water-soluble solid that decomposes on heating at around 200 °C. The triacetate hydrolysis, ...
, Al(CH
3CO
2)
3. In aqueous solution, aluminium triacetate hydrolyses to form a mixture of the other two, so all solutions of all three can be referred to simply as "aluminium acetate", as the species co-exist and inter-convert in
chemical equilibrium
In a chemical reaction, chemical equilibrium is the state in which both the Reagent, reactants and Product (chemistry), products are present in concentrations which have no further tendency to change with time, so that there is no observable chan ...
.
Aluminium compounds
Functional groups
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