Aluminum Lactate
Title: Aluminum Lactate
CAS Registry Number: 18917-91-4
CAS Name: Tris[2-(hydroxy-kO)propanoato-kO]aluminum
Additional Names: Al(lact)3
Molecular Formula: C9H15AlO9
Molecular Weight: 294.19
Percent Composition: C 36.74%, H 5.14%, Al 9.17%, O 48.95%
Literature References: Prepn from lactic acid and aluminum isopropoxide or aluminum chloride: A. K. Rai et al., J. Prakt. Chem. 20, 105 (1963); from lactic acid and aluminum foil: R. W. Jones, J. E. Cluskey, Cereal Chem. 40, 589 (1963). Partition coefficients: A. Tapparo, M. Perazzolo, Int. J. Environ. Anal. Chem. 36, 13 (1989). Molecular structure: G. G. Bombi et al., Inorg. Chim. Acta 171, 79 (1990). Stability and NMR spectra: B. Corain et al., J. Chem. Soc. Dalton Trans. 1992, 169. Optical rotation isotherms: I. G. Bratu et al., COFrRoCA 2002, Actes Colloq. Fr.-Roum. Chim Appl. 2, 157 (2002). Reactant in sol-gel synthesis of aluminophosphate glass: L. Zhang et al., Chem. Mater. 15, 2702 (2003). Inhibition of the biological effects of silica quartz: R. Bégin et al., Exp. Lung Res. 10, 385 (1986); R. Duffin et al., Toxicol. Appl. Pharmacol. 176, 10 (2001). Clinical evaluation as antiseptic throat spray: W. Klingbeil, Fortschr. Med. 100, 146 (1982); in dental hypersensitivity: Y. Higuchi et al., J. Clin. Dent. 7, 9 (1996).
Properties: White powder. [a]36620 +48.31°; [a]43620 +33.37°; [a]57820 +10.20° (c= 0.1 M). [a]366 25 +48.40°; [a]43625 +31.36°; [a]57825 +10.22° (c = 0.1 M). Partition coefficient (n-octanol/water): 0.0037-0.0127. Soly in water (25°): 0.70 ±0.01 mol dm-3. pH of saturated soln: 2.9.
Optical Rotation: [a]36620 +48.31°; [a]43620 +33.37°; [a]57820 +10.20° (c= 0.1 M); [a]366 25 +48.40°; [a]43625 +31.36°; [a]57825 +10.22° (c = 0.1 M)
Log P: Partition coefficient (n-octanol/water): 0.0037-0.0127
Use: As a reagent in biological activity studies of aluminum; in sol-gel processing.
Therap-Cat: Antiseptic.
Keywords: Antiseptic/Disinfectant.

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