3184. Dihydroxyaluminum Sodium Carbonate

Nomenclature

CAS number: 539-68-4
[Carbonato(1-)-O]dihydroxyaluminum monosodium salt; aluminum sodium carbonate hydroxide; Kompensan (Roerig); Minicid.
CH2AlNaO5; mol wt 143.99.
C 8.34%, H 1.40%, Al 18.74%, Na 15.97%, O 55.56%.
(HO)2AlOCO2Na.

Description and references

Prepd by the reaction between an aluminum alkoxide and NaHCO3 in water: Grote, US 2783179 (1957 to Chattanooga Medicine).

Properties

Amorphous powder or poorly formed crystals. May contain 10 to 11% H2O. d 2.144. pH of water suspension: 9.7. Acid consuming power: 230 ml 0.1N HCl/gram.

Therapeutic Category

Antacid.

Keywords

Antacid