Potassium Chloride
Title: Potassium Chloride
CAS Registry Number: 7447-40-7
Trademarks: Diffu-K (UCB); Kaleorid (Leo Pharm); Kalitabs (Leo Pharm); Kaon-Cl (Altana); Kay-Cee-L (Geistlich); K-Contin (Mundipharma); K-Dur (Schering-Plough); Lento-Kalium (Teofarma); Potassiject (Vetus); Slow-K (Alliance); Span-K (Aspen)
Molecular Formula: ClK
Molecular Weight: 74.55
Percent Composition: Cl 47.56%, K 52.45%
Line Formula: KCl
Literature References: Occurs in nature as the mineral sylvine or sylvite. Industrial prepns: Faith, Keyes & Clark's Industrial Chemicals, F. A. Lowenheim, M. K. Moran, Eds. (Wiley-Interscience, New York, 4th ed., 1975) pp 666-673.
Properties: White crystals or crystalline powder. d 1.98. mp 773°. One gram dissolves in 2.8 ml water, 1.8 ml boiling water, 14 ml glycerol, about 250 ml alcohol. Insol in ether, acetone. Hydrochloric acid, sodium or magnesium chlorides diminish its soly in water. d of saturated aq soln at 15° is 1.172. pH: about 7.
Melting point: mp 773°
Density: d 1.98; d of saturated aq soln at 15° is 1.172
CAUTION: Large doses by mouth can cause G.I. irritation, purging, weakness and circulatory disturbances.
Use: In photography. In buffer solns, electrode cells.
Therap-Cat: Electrolyte replenisher.
Therap-Cat-Vet: Potassium supplement.
Keywords: Replenishers/Supplements; Electrolyte.

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