Aluminum Carboxylates

Abstract

Aluminum salts of carboxylic acids, aluminum carboxylates, may occur as aluminum tricarboxylates (normal aluminum carboxylates), Al(OOCR) 3 ; monohydroxy (monobasic) aluminum dicarboxylates, (RCOO) 2 Al(OH); and dihydroxy (dibasic) aluminum monocarboxylates, RCOOAl(OH) 2 . Aluminum carboxylates are used in three general areas: textiles, gelling, and pharmaceuticals. Derivatives of low molecular weight carboxylic acids have been mainly associated with textile applications; those of fatty carboxylic acids are associated with gelling salts; and more complex carboxylates find applications in pharmaceuticals. Commercial products can be combinations of mono‐, di‐, and tricarboxylates and not just the individual species. Some aluminum carboxylates of commercial interest are monobasic aluminum acetate, C 4 H 7 AlO 5 ; dihydroxyaluminum aminoacetate, C 2 H 6 AlNO 4 ; aluminum monostearate, C 18 H 37 AlO 4 ; aluminum distearate, C 36 H 71 AlO 5 ; and aluminum tristearate, C 54 H 108 AlO 6 .

Aldehyde Self-Condensation Catalysis by Aluminum Aminoterephthalate Metal–Organic Frameworks Modified with Aluminum Isopropoxide

“…Analogous reactions of Al-i-Pro with carboxylic and amino acids leading to the formation of aluminum carboxylates are well-documented and are a source of a variety of important pharmaceuticals and other products. 28,29 Further, a similar quantitative reaction between carboxylic acid and aluminum and titanium alkoxides has been reported for carboxylated polymers, which results in the formation of multifunctional networks. 30 The above experiments provide an explanation for the stability of the MOF/Al-i-Pro materials as catalysts.…”