350. Aluminum Magnesium Silicate

Nomenclature

CAS number: 12511-31-8
Silicic acid (H4SiO4) aluminum magnesium salt (2:2:1); magnesium aluminum silicate.
Al2MgO8Si2; mol wt 262.43.
Al 20.56%, Mg 9.26%, O 48.77%, Si 21.40%.
MgAl2(SiO4)2.

Description and references

Occurs in nature in the minerals: colerainite, leuchtenbergite, pyrope, saponite, sapphirine, sheridanite, zebedassite. Prepn: GB 834517 (1960 to Fuji Chem.)

Derivative

Hydrate.

Nomenclature

Ervasil (Gdecke).

Use

As suspending agent, thickening agent.

Therapeutic Category

Antacid.

Keywords

Antacid