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746436

Potassium chloride

Name: Potassium chloride
Brand: SIGALD

anhydrous, free-flowing, Redi-Dri^™, ACS reagent, ≥99%

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About This Item

Linear Formula:

KCl

CAS Number:

7447-40-7

Molecular Weight:

74.55

NACRES:

NA.21

PubChem Substance ID:

329765767

UNSPSC Code:

12352302

EC Number:

231-211-8

MDL number:

MFCD00011360

Assay:

≥99%

Grade:

ACS reagent, anhydrous

Form:

powder

Solubility:

water: soluble ((355 g/l at 25 °C (77 °F))

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Properties

Quality Segment

100

grade

ACS reagent, anhydrous

product line

Redi-Dri^™

assay

≥99%

form

powder

quality

free-flowing

impurities

≤0.005% Insoluble matter

pH

5.4-8.6 (25 °C, 5% in solution)

mp

770 °C (lit.)

solubility

water: soluble ((355 g/l at 25 °C (77 °F))

density

1.98 g/mL at 25 °C (lit.)

anion traces

bromide (Br^-): ≤0.01%, chlorate, nitrate (as NO₃^-): ≤0.003%, iodide (I^-): ≤0.002%, phosphate (PO₄^3-): ≤5 ppm, sulfate (SO₄^2-): ≤0.001%

cation traces

Ba:, passes test (limit about 0.001%), Ca: ≤0.002%, Fe: ≤3 ppm, Mg: ≤0.001%, Na: ≤0.005%, heavy metals (as Pb): ≤5 ppm

SMILES string

[Cl-].[K+]

InChI

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

InChI key

WCUXLLCKKVVCTQ-UHFFFAOYSA-M

Description

General description

Potassium chloride is an inorganic salt commonly used in fertilizer industry. Its generation via chlorination of microcline has been reported. The intrinsic and extrinsic conductivity of KCl crystals have been measured. The impact of KCl on the activity of mitochondrial membrane, cristae and matrix proteins has been investigated. It facilitates the preparation of isoxazolines in aqueous medium.

Application

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

Potassium chloride may be used for the preparation of phosphate buffered saline, and for the extraction and solubilization of proteins.

It has been used in the preparation of the following:

Amorphous calcium phosphate (ACP) deposition solution, used for ACP coating on Ti coupons
Modified methylene blue (MB) solution, utilized in the MB two-phase titration method
4-(2-Hydroxyethyl)-1-piperazineethanesulfonic acid (HEPES)-containing artificial cerebrospinal fluid (ACSF) solutions
Artificial sea water

Features and Benefits

Increased efficiency – Eliminate time and effort of loosening hardened powders
Safety – Avoid risks of using tools of force to break up clumps
Economy – Faster preparation and solvation increase productivity and reduce costs
Assured quality – Excellent, expert-tested quality with no anti-caking agents
Flexible volumes – Available from research amounts to scale-up quantities

Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

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Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c