ପୋଟାସିଅମ କ୍ଲୋରାଇଡ

ଉଇକିପିଡ଼ିଆ ରୁ
ସିଧାସଳଖ ଯିବେ ଦିଗବାରେଣିକୁ, ଖୋଜିବେ
ପୋଟାସିଅମ କ୍ଲୋରାଇଡ
Potassium chloride.jpg
Other names
Muriate of potash
CAS number 7447-40-7 YesY
PubChem 4873
ChemSpider 4707 YesY
UNII 660YQ98I10 YesY
KEGG D02060 YesY
ChEBI CHEBI:32588 YesY
RTECS number TS8050000
Jmol-3D images Image 1
Molecular formula KCl
Molar mass 74.5513 g·mol−1
Appearance white crystalline solid
Odor odorless
Density 1.984 g/cm3
Melting point ୭୭୦ °C (୧,୪୨୦ °F; ୧,୦୪୦ K)
Boiling point ୧,୪୨୦ °C (୨,୫୯୦ °F; ୧,୬୯୦ K)
Solubility in water 21.74% (0 °C)
25.39% (20 °C)
36.05% (100 °C)
Solubility Soluble in glycerol, alkalies
Slightly soluble in alcohol Insoluble in ether[୧]
Acidity (pKa) ~7
−39.0·10−6 cm3/mol
1.4902 (589 nm)
face centered cubic
Fm3m, No. 225
a = 629.2 pm [୨]
Octahedral (K+)
Octahedral (Cl)
83 J·mol−1·K−1[୩]
−436 kJ·mol−1[୩]
A12BA01 (WHO) B05XA01
  • US: C (Risk not ruled out)
Oral, IV, IM
Renal: 90%; Fecal: 10% [୪]
NFPA 704
Flammability code 0: Will not burn. E.g., water Health code 1: Exposure would cause irritation but only minor residual injury. E.g., turpentine Reactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g., liquid nitrogen Special hazards (white): no codeNFPA 704 four-colored diamond
Flash point
Lethal dose or concentration (LD, LC):
Related compounds
Other anions
Potassium fluoride
Potassium bromide
Potassium iodide
Potassium astatide
Other cations
Lithium chloride
Sodium chloride
Rubidium chloride
Caesium chloride
Francium chloride
Related compounds
Potassium chlorate
Potassium perchlorate
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
 N (verify) (what is: YesY/N?)
Infobox references


  1. "Potassium chloride (PIM 430)". International Programme on Chemical Safety. 3.3.1 Properties of the substance. Retrieved 2011-01-17. 
  2. D.B. Sirdeshmukh; L. Sirdeshmukh; K.G. Subhadra. Alkali Halides: A Handbook of Physical Properties. 
  3. ୩.୦ ୩.୧ Zumdahl, Steven S. (୨୦୦୯). Chemical Principles ୬th Ed. Houghton Mifflin Company. p. A୨୨. ISBN ୦-୬୧୮-୯୪୬୯୦-X. 
  4. "Compound Summary for CID 4873". Retrieved 17 October 2015. 
  5. http://chem.sis.nlm.nih.gov/chemidplus/rn/7447-40-7[full citation needed]