Difference between revisions of "Magnesium hydroxide"
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A white amorphous powder that occurs in nature as the mineral [[brucite|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. | A white amorphous powder that occurs in nature as the mineral [[brucite|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. | ||
| − | + | [[[SliderGallery rightalign|bruciteRS.jpg~Raman|magnesium hydroxide.jpg~Chemical structure]]] | |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
magnesium hydrate; milk of magnesia; magnesia magma; Magnesiumhydroxid (Deut.); hidróxido de magnesio (Esp.) | 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: [https://fscimage.fishersci.com/msds/13405.htm#:~:text=MSDS%20Name%3A%20Magnesium%20Hydroxide%20Catalog%20Numbers%3A%20S80064%2C%20S93293%2C,Synonyms%3A%20Magnesia%20magma%3B%20Magnesium%20Hydrate%2C%20Milk%20of%20Magnesia. MSDS] | ||
| + | ==Physical and Chemical Properties== | ||
Soluble in dilute acids and ammonium salt solutions. Insoluble in water. | Soluble in dilute acids and ammonium salt solutions. Insoluble in water. | ||
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! scope="row"| Melting Point | ! scope="row"| Melting Point | ||
| − | | 350 (dec) | + | | 350 C (dec) |
|- | |- | ||
! scope="row"| Density | ! scope="row"| Density | ||
| − | | 2.36 | + | | 2.36 g/ml |
|- | |- | ||
! scope="row"| Molecular Weight | ! scope="row"| Molecular Weight | ||
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| − | == | + | ==Resources and Citations== |
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* Matt Roberts, Don Etherington, ''Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology'', U.S. Government Printing Office, Washington DC, 1982 | * Matt Roberts, Don Etherington, ''Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology'', U.S. Government Printing Office, Washington DC, 1982 | ||
Latest revision as of 12:42, 16 October 2022
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.)
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