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Merck
CN

208000

Sigma-Aldrich

Potassium chloride

≥99.0%, ACS reagent

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About This Item

Linear Formula:
KCl
CAS Number:
7447-40-7
Molecular Weight:
74.55
EC Number:
231-211-8
MDL number:
MFCD00011360
UNSPSC Code:
12352300
PubChem Substance ID:
329752034

Key Documents

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grade

ACS reagent

Assay

≥99.0%
99.0-100.5%

impurities

≤0.005% Ca ppt.
≤0.005% Mg ppt.
≤0.005% R2O3 ppt.
≤0.005% insolubles

pH

5.4-8.6

mp

770 °C (lit.)

density

1.98 g/mL at 25 °C (lit.)

anion traces

ClO3- and NO3-: ≤0.003%
bromide (Br-): passes test
iodide (I-): ≤0.002%
phosphate (PO43-): ≤5 ppm
sulfate (SO42-): ≤0.001%

cation traces

Ba:, passes test (limit about 0.001%)
Fe: ≤3 ppm
Na: ≤0.005%
heavy metals: ≤5 ppm

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.

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
12819DW
06405AV
19909AO
18030KI
13406BZ

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