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Merck
CN

P9333

Potassium chloride

BioXtra, ≥99.0%

Synonym(s):

KCl

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About This Item

Linear Formula:
KCl
CAS Number:
7447-40-7
Molecular Weight:
74.55
NACRES:
NA.25
PubChem Substance ID:
24899027
UNSPSC Code:
12352302
EC Number:
231-211-8
MDL number:
MFCD00011360
Assay:
≥99.0%
Form:
crystalline powder
Solubility:
H2O: 1 M, clear, colorless

Key Documents

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Product Name

Potassium chloride, BioXtra, ≥99.0%

InChI key

WCUXLLCKKVVCTQ-UHFFFAOYSA-M

InChI

1S/ClH.K/h1H;/q;+1/p-1

SMILES string

[Cl-].[K+]

product line

BioXtra

assay

≥99.0%

Quality Level

200

form

crystalline powder

impurities

≤0.0005% Phosphorus (P)
≤0.1% Insoluble matter

mp

770 °C (lit.)

solubility

H2O: 1 M, clear, colorless

density

1.98 g/mL at 25 °C (lit.)

anion traces

sulfate (SO42-): ≤0.003%

cation traces

Al: ≤0.0005%
Ca: ≤0.005%
Cu: ≤0.0005%
Fe: ≤0.0005%
Mg: ≤0.001%
NH4+: ≤0.05%
Na: ≤0.02%
Pb: ≤0.001%
Zn: ≤0.0005%

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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 has been used:
  • to prepare phosphate buffer saline for phosphate calcium transfection
  • as a component of lysis buffer used for the isolation of cytosolic and nuclear proteins
  • to prepare phosphate buffer saline used for protein isolation from gram-positive bacteria

General description

Potassium chloride (KCl) is useful in studies of ion transport and potassium channels. KCl is known to be used in the crystallization of histone core octamers.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN2336
BCCM4685
BCCK0001
BCCJ2325
SLCN2862

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