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
Soluble in water (pH is about 7 with saturated solution). Slightly soluble in ethanol. Insoluble in ether, acetone.
|Molecular Weight||mol. wt. = 74.55|
|Boiling Point||1500 (sublimes)|
Hazards and Safety
Noncombustible. Toxic by ingestion of large amounts.
Mallinckrodt Baker: MSDS
Sources Checked for Data in Record
- 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