Potassium chloride
Revision as of 06:23, 24 July 2013 by (username removed)
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