Merck Potassium chloride

Quality Level:  300

product line:  EMSURE®

Assay:  ≥99.5% (silver nitrate titration)

Form:  solid

Potency:  2600 mg/kg LD50, oral (Rat)

Impurities:  ≤0.01% In water insoluble matter

pH:  5.5-8.0 (25 °C, 50 g/L in H2O)

bp:  1413 °C/1013 hPa

mp:  770 °C (lit.)

solubility:  347 g/L

density:  1.98 g/mL at 25 °C (lit.)

bulk density:  1000 kg/m3

anion traces:

bromide (Br-): ≤0.05%

iodide (I-): ≤0.002%

phosphate (PO43-): ≤0.0005%

sulfate (SO42-): ≤0.005%

cation traces:

Ba: ≤0.001%

Ca: ≤0.001%

Fe: ≤0.0003%

Mg: ≤0.002%

N: ≤0.001%

Na: ≤0.02%

heavy metals (as Pb): ≤0.0005%

storage temp.:  2-30°C

SMILES string:  [Cl-].[K+]

InChI:  1S/ClH.K/h1H;/q;+1/p-1

InChI key:   WCUXLLCKKVVCTQ-UHFFFAOYSA-M

Application

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

Analysis Note

Assay (argentometric): ≥ 99.5 %

In water insoluble matter: ≤ 0.01 %

pH-value (5 %; water): 5.5 - 8.0

Bromide (Br): ≤ 0.05 %

Iodide (I): ≤ 0.002 %

Phosphate (PO₄): ≤ 0.0005 %

Sulfate (SO₄): ≤ 0.005 %

Total nitrogen (N): ≤ 0.001 %

Heavy metals (as Pb): ≤ 0.0005 %

Ba (Barium): ≤ 0.001 %

Ca (Calcium): ≤ 0.001 %

Fe (Iron): ≤ 0.0003 %

Mg (Magnesium): ≤ 0.002 %

Na (Sodium): ≤ 0.02 %

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany