POTASSIUM CHLORIDE

Code: 60130-1KGSIG D2-231

Application

May be used for the preparation of phosphate buffered saline, and for the extraction and solubilization of proteins.

Potassium chloride may be used in the p...


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Application

May be used for the preparation of phosphate buffered saline, and for the extraction and solubilization of proteins.

Potassium chloride may be used in the preparation of fertilizer, potassium hydroxide, potassium carbonate and other potassium salts. It may be used in the calorimetric determination of enthalpy and heat capacity values during the deprotonation (loss of proton H+) of buffers. From these values temperature dependence of the pH of these buffers was calculated.

General description

Potassium chloride, an alkali metal halide, is a colorless crystalline salt. Its solubility in water is directly proportional to increase in temperature. It can be prepared from potassium hydroxide, via neutralization reaction with HCl. Calorimetric estimation of the enthalpy of solution of potassium chloride in water has been described.

anion tracesphosphate (PO43-): ≤5 mg/kg, sulfate (SO42-): ≤30 mg/kg, bromide (Br-): ≤700 mg/kg, iodide (I-): ≤20 mg/kg
assay≥99.5% (AT)
cation tracesNa: ≤200 mg/kg, Cr: ≤5 mg/kg, Mn: ≤5 mg/kg, Pb: ≤5 mg/kg, Mg: ≤10 mg/kg, Cu: ≤5 mg/kg, Fe: ≤2 mg/kg, Zn: ≤5 mg/kg, Ni: ≤5 mg/kg, Cd: ≤5 mg/kg, Ca: ≤50 mg/kg, Co: ≤5 mg/kg
density1.98 g/mL at 25 °C (lit.)
formpowder or crystals
gradepuriss. p.a.
impurities≤0.001% total nitrogen (N)
InChI keyWCUXLLCKKVVCTQ-UHFFFAOYSA-M
InChI1S/ClH.K/h1H;/q;+1/p-1
mp770 °C (lit.)
pH5.5-8.0 (20 °C, 50 mg/mL in H2O)
Quality Level200
SMILES string[Cl-].[K+]
Cas Number7447-40-7
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