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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:
EC Index Number:
231-211-8

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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1 of 4

This Item
1.049336013012636
Potassium chloride for analysis EMSURE®

Supelco

1.04936

Potassium chloride

-
Potassium chloride for analysis (® ACS,ISO,Reag. Ph Eur

Supelco

1.04933

Potassium chloride

-
Potassium chloride puriss. p.a., ≥99.5% (AT)

Sigma-Aldrich

60130

Potassium chloride

-
Potassium chloride puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, E508, 99-100.5% (AT), ≤0.0001% Al

Sigma-Aldrich

12636

Potassium chloride

Essential Grade
form

solid

form

solid

form

powder or crystals

form

powder or crystals

impurities

≤0.01% In water insoluble matter

impurities

≤0.005% Insoluble matter

impurities

≤0.001% total nitrogen (N)

impurities

acidity or alkalinity, complies, organic volatile impurities, complies (GC), residual solvents, complies, ≤0.0001% Al, ≤0.0005% heavy metals (as Pb), ≤0.003% free acid (as HCl), ≤0.005% free alkali (as KOH), ≤0.02% Mg, alkaline earth metals (as Ca)

pH

5.5-8.0 (25 °C, 50 g/L in H2O)

pH

5.5-8.0 (25 °C, 50 g/L in H2O)

pH

5.5-8.0 (20 °C, 50 mg/mL in H2O)

pH

7

mp

770 °C (lit.)

mp

770 °C (lit.)

mp

770 °C (lit.)

mp

770 °C (lit.)

solubility

347 g/L

solubility

-

solubility

-

solubility

-

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

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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25G
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MMYOMAG-74K-13

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