Difference between revisions of "Potassium chloride"
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== Description == | == Description == | ||
| − | White crystals that occur in nature as the mineral sylvite. Potassium chloride is used in photography, spectroscopy, as a table salt substitute and as an [http://cameo.mfa.org/materials/fullrecord.asp?name=ice | + | White crystals that occur in nature as the mineral sylvite. Potassium chloride is used in photography, spectroscopy, as a table salt substitute and as an [http://cameo.mfa.org/materials/fullrecord.asp?name=ice%20melter ice melting salt]. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
| Line 42: | Line 42: | ||
== Authority == | == Authority == | ||
| − | * | + | * G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 631 |
* ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 7783 | * ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 7783 | ||
| − | * | + | * Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, ''Technology and Conservation'', Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985 |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Revision as of 06:23, 24 July 2013
Description
White crystals that occur in nature as the mineral sylvite. Potassium chloride is used in photography, spectroscopy, as a table salt substitute and as an ice melting salt.
Synonyms and Related Terms
potassium monochloride; chloropotassuril; febrifuge of Sylicius; muriate of potass
Other Properties
Soluble in water (pH is about 7 with saturated solution). Slightly soluble in ethanol. Insoluble in ether, acetone.
| Composition | KCl |
|---|---|
| CAS | 7447-40-7 |
| Melting Point | 773 |
| Density | 1.987 |
| Molecular Weight | mol. wt. = 74.55 |
| Boiling Point | 1500 (sublimes) |
Hazards and Safety
Noncombustible. Toxic by ingestion of large amounts.
Mallinckrodt Baker: MSDS
Authority
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 631
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 7783
- Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, Technology and Conservation, Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985