Potassium chloride

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Potassium chloride
aka Sylvite
Chemical formula KCl
OTP appearance white crystal 
Molar Mass(g/mol) 74.5513 
Melting Point(°C) 770 
Boiling Point(°C) 1420 
Solubility in water(g/L) 344
NFPA 704
NFPA704.png
0
1
0
 

Uses

Primary

  • Pharm: essential electrolyte on WHO LEM
  • Production of potassium compounds from sodium analogues.

Natural occurrence

  • Potassium chloride is present in small amounts in salt water
  • Potassium chloride occurs naturally as the mineral sylvite.

Hazards

  • Overconsumption can be fatal LD50(rat,oral) 2.6g/kg

Production

Synthesis

  • Combine potassium hydroxide and hydrochloric acid
    KOH + HCl → KCl + H2O

Purification

Testing

Storage

Disposal

See Also

References

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