Magnesium hydroxide

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brucite

Description

A white amorphous powder that occurs in nature as the mineral Brucite. An aqueous slurry of magnesium hydroxide produces a solution with a pH of 10. Magnesium hydroxide is used as an antacid and laxative. It is also used in the manufacture of paper pulp.

Synonyms and Related Terms

magnesium hydrate; milk of magnesia; magnesia magma; Magnesiumhydroxid (Deut.); hidróxido de magnesio (Esp.)

Raman

BruciteRS.jpg

Chemical structure

Magnesium hydroxide.jpg


Other Properties

Soluble in dilute acids and ammonium salt solutions. Insoluble in water.

Composition Mg(OH)2
CAS 1309-42-8
Melting Point 350 (dec)
Density 2.36
Molecular Weight mol. wt. = 58.34

Hazards and Safety

Ingestion produces a laxative effect. Contact may cause irritation. Noncombustible.

Mallinckrodt Baker: MSDS

Sources Checked for Data in Record

  • Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982
  • The Merck Index, Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996 Comment: entry 5706
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993