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.

Raman

BruciteRS.jpg

Chemical structure

Magnesium hydroxide.jpg

Synonyms and Related Terms

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

Risks

  • Ingestion produces a laxative effect.
  • Contact may cause irritation.
  • Noncombustible.
  • Fisher Scientific: MSDS

Physical and Chemical Properties

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

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

Resources and Citations

  • 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

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