A white solid compound, Mg(OH)2; trigonal; r.d. 2.36; decomposes at 350°C. Magnesium hydroxide occurs naturally as the mineral brucite and can be prepared by reacting magnesium sulphate or chloride with sodium hydroxide solution. It is used in the refining of sugar and in the processing of uranium. Medicinally it is important as an antacid (milk of magnesia) and as a laxative.
Subjects: Clinical Pharmacology and Therapeutics — Chemistry.