Date published: 2026-4-3

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Potassium Chloride (CAS 7447-40-7)

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Alternate Names:
Potassium Chloride is also known as KCl.
Application:
Potassium Chloride is a common laboratory reagent and calibration standard for measuring electrical conducivity.
CAS Number:
7447-40-7
Purity:
>99%
Molecular Weight:
74.55
Molecular Formula:
KCl
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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


Potassium Chloride (CAS 7447-40-7) References

  1. Effect of short-term supplementation of potassium chloride and potassium citrate on blood pressure in hypertensives.  |  He, FJ., et al. 2005. Hypertension. 45: 571-4. PMID: 15723964
  2. Lethal injection of potassium chloride: first description of the pathological appearance of organs.  |  Coulibaly, B., et al. 2010. J Appl Toxicol. 30: 378-80. PMID: 19924677
  3. Potassium chloride injection mix-up.  |  Cohen, MR. 1990. Am J Hosp Pharm. 47: 2457-8. PMID: 2278249
  4. The inhibitory effects of potassium chloride versus potassium silicate application on (137)Cs uptake by rice.  |  Fujimura, S., et al. 2016. J Environ Radioact. 153: 188-194. PMID: 26773513
  5. Clinical features and management of poisoning due to potassium chloride.  |  Saxena, K. 1989. Med Toxicol Adverse Drug Exp. 4: 429-43. PMID: 2689836
  6. A Simplified Extemporaneously Prepared Potassium Chloride Oral Solution.  |  Tannous, E., et al. 2016. Int J Pharm Compd. 20: 438-439. PMID: 28339380
  7. Salt microspheres and potassium chloride usage for sodium reduction: Case study with sushi.  |  Đorđević, Đ., et al. 2018. Food Sci Technol Int. 24: 3-14. PMID: 28675105
  8. Potassium chloride mixture may maintain hypokalaemia and hypertension.  |  Mandoe, MJ., et al. 2018. BMJ Case Rep. 11: PMID: 30567256
  9. Improving the safety of high-concentration potassium chloride injection.  |  Nakatani, K., et al. 2019. BMJ Open Qual. 8: e000666. PMID: 31259289
  10. Oral Liquid Potassium Chloride Dosing Pathway in a Tertiary Care Veteran Affairs Academic Medical Center.  |  Benge, CD. and Burka, AT. 2020. Crit Pathw Cardiol. 19: 18-21. PMID: 31478945
  11. Impaired Absorption of Extended-Release Potassium Chloride in a Patient With a High-Output Ileostomy.  |  Burka, AT. and Benge, CD. J Wound Ostomy Continence Nurs. 48: 431-433. PMID: 34495934
  12. The effect of chloride-containing potassium supplements on chloride titrator estimates of dietary sodium intake.  |  Luft, FC., et al. 1985. J Am Coll Nutr. 4: 233-9. PMID: 4040538
  13. Potassium chloride and the color black.  |  Wong, DH. and Mohseni, I. 1997. Anesth Analg. 85: 945-6. PMID: 9322488

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Potassium Chloride, 500 g

sc-203207
500 g
$55.00

Potassium Chloride, 2 kg

sc-203207A
2 kg
$155.00

Potassium Chloride, 5 kg

sc-203207B
5 kg
$285.00

Potassium Chloride, 10 kg

sc-203207C
10 kg
$455.00