Potassium ChlorideA common laboratory reagent and standard

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Potassium Chloride (CAS 7447-40-7)

Potassium Chloride | CAS 7447-40-7 is rated 5.0 out of 5 by 1.

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Application: A common laboratory reagent and standard

CAS Number: 7447-40-7

Purity: >99%

Molecular Weight: 74.55

Molecular Formula: KCl

* Refer to Certificate of Analysis for lot specific data (including water content).

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Potassium Chloride is commonly used as a laboratory reagent as a standard. It may be used as a calibration standard ionic solution for measuring electrical conductivity because KCl solutions, when prepared carefully, produce repeatable measurable properties. KCl is also a good source of ionic chloride, which should precipitate insoluble chloride salts upon addition to a solution of an appropriate metal ion. Commonly used in fertilizer.

Physical State :

Solid

Solubility :

Soluble in water (340 mg/ml at 20° C), alcohol (slightly), and ethanol (1 g/250 mL). Insoluble in ether, and acetone.

Storage :

Store at room temperature

Melting Point :

770° C (lit.)

Boiling Point :

1500° C (lit.)

Density :

1.98 g/cm³ at 25° C (lit.)

Refractive Index :

n²⁰_D 1.49

Ki Data :

CA IV: K_i= 90 µM (human); CA I: K_i= 6 mM (human); CA IX: K_i= 33 mM (human); CA V: K_i= 156 mM (human); CA II: K_i>200 mM (human)

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

WGK Germany :

1

RTECS :

TS8050000

PubChem CID :

4873

Merck Index :

14: 7621

MDL Number :

MFCD00011360

EC Number :

231-211-8

SMILES :

[Cl-].[K+]

Download SDS (MSDS)

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Certificate of Analysis

Catalog Number sc-203207 sc-203207A sc-203207B sc-203207C

Lot Number

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Potassium Chloride  Product Citations

See how others have used Potassium Chloride. Click on the entry to view the PubMed entry .

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PMID: # 19924677  Coulibaly, B. et al. 2010. J Appl Toxicol. 30: 378-380.

PMID: # 12670770  Smith, JT. et al. 2003. Sci. Total Environ. 305: 217-227.

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Rated 5 out of 5 by ET from Various publications cite the use of Potassium Various publications cite the use of Potassium Chloride as a calibration standard ionic solution for measuring electrical conductivity. It is also frequently used is the preparation of phosphate buffered saline (sc-362182). -SCBT Publication Review

Date published: 2015-02-27

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