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1.04936

Supelco

Potassium chloride

for analysis EMSURE®

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Linear Formula:
KCl
CAS Number:
Molecular Weight:
74.55
MDL number:
UNSPSC Code:
12352302
EC Index Number:
231-211-8
NACRES:
NA.21

Quality Level

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

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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

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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A complete SEC-UV workflow for quantifying monoclonal antibody fragments, monomers, and aggregates, including procedure for a system suitability test and heat stressing of antibodies.

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