Skip to main content

Potassium Chloride

ADVERTISEMENT
Identification
Molecular formula
KCl
CAS number
7447-40-7
IUPAC name
potassium;chloride
State
State

At room temperature, potassium chloride is typically found in a solid state. It is a stable compound that does not evaporate easily.

Melting point (Celsius)
770.00
Melting point (Kelvin)
1 043.00
Boiling point (Celsius)
1 420.00
Boiling point (Kelvin)
1 693.00
General information
Molecular weight
74.55g/mol
Molar mass
74.5510g/mol
Density
1.9840g/cm3
Appearence

Potassium chloride appears as a white or colorless crystalline solid. It can also occur in the form of granules or coarse powders. In its pure form, potassium chloride is odorless and has a characteristic salty taste. It is often used in medical, food, and agricultural applications.

Comment on solubility

Solubility of Potassium Chloride (KCl)

Potassium chloride (KCl) is a highly soluble ionic compound, known for its ability to dissolve readily in water. Its solubility can be quantified with some key highlights:

  • Solubility in Water: KCl has a solubility of approximately 34 grams per 100 mL of water at room temperature (25°C).
  • Dissociation: Upon dissolving, KCl dissociates into potassium ions (K+) and chloride ions (Cl-), which facilitates its high solubility.
  • Temperature Effect: The solubility of KCl typically increases with temperature, meaning that warmer water can dissolve more of the compound.

In contrast, KCl exhibits low solubility in organic solvents, highlighting the polar nature of its ionic bonds. This substantial solubility in water makes potassium chloride an essential compound in various applications such as fertilizers and food seasoning. However, it is essential to recognize that while KCl is highly soluble in water, its interaction with other substances can vary significantly, depending on the medium and the presence of other ions.

Interesting facts

Interesting Facts About Potassium Chloride (KCl)

Potassium chloride, often represented as KCl, is a fascinating compound with several crucial roles in chemistry and various industries. Here are some intriguing aspects of this compound:

  • Essential Nutrient: KCl is a vital source of potassium, an essential nutrient for plant growth. It is widely used in fertilizers to promote healthy crops and enhance agricultural productivity.
  • Medical Applications: In medicine, KCl plays a critical role, particularly in treating potassium deficiency in patients. It is also used in electrolyte therapy and even in some formulations for cardiac patients.
  • Food Industry: This compound serves as a salt substitute, offering a low-sodium option for those seeking to reduce their salt intake without sacrificing flavor. It is commonly found in processed foods labeled as "low sodium."
  • Deicing Agent: KCl is employed as a deicing agent for roads and sidewalks in winter. It helps to melt ice effectively and is often considered more environmentally friendly compared to other deicing chemicals.
  • Laboratory Use: In the laboratory, potassium chloride is frequently used in various chemical reactions and as an ionic strength adjuster in experimental setups, making it a staple for chemists.

As a compound, potassium chloride embodies the diverse applications and importance of basic ionic compounds in both natural and industrial processes. Its widespread use across different fields signifies its role as a cornerstone in chemistry, emphasizing the *interconnectedness* of scientific knowledge and practical applications.

In the words of renowned chemist Marie Curie, "One never notices what has been done; one can only see what remains to be done." Potassium chloride exemplifies the ongoing usefulness and relevance of fundamental chemical compounds in addressing modern-day challenges.

Synonyms
potassium chloride
7447-40-7
Enseal
Klotrix
Sylvite
Klor-Con
Neobakasal
Muriate of potash
Slow-K
Chlorvescent
Acronitol
Kalitabs
Kaochlor
Potavescent
Kloren
Pfiklor
Potassium monochloride
Rekawan
Chloropotassuril
Klor-Lyte
KCl-retard Zyma
K-Contin
Kay Ciel
Monopotassium chloride
K-Lease
Kaon Cl
Kaon-Cl
Micro-K
Steropotassium
Kalcorid
Kaleorid
Kaliduron
Kaliglutol
Kalilente
Kalinorm
Kaliolite
Klorvess
Miopotasio
Potasion
Celeka
Chloride of potash
Durekal
Durules
Enpott
Kadalex
Kalipor
Kalipoz
Keylyte
Potasol
Kalium Duriles
Kalium Durules
Kalium Retard
Kalium-Durettes
Rekawan Retard
K-Lyte/Cl
Lento-Kalium
K-Lor
K-Tab
Kay-EM
Peter-kal
Ten-K
Kalitrans Retard
Potassium muriate
Durules-K
Kalium-R
Kay-Ciel
Repone K
Kalium SR
Diffu-K
K-Predne-Dome
Kalinor-Retard P
KCL Retard
Lento-K
Potassium chloride (KCl)
Super K
Ultra K Chlor
Ultra-K-Chlor
Addi-K
Cena-K
K-Care
K-Grad
Kaliumchlorid
Span-K
Kayciel
Clor-K-Zaf
Micro-K Extentcaps
Plus Kalium Retard
Kali muriaticum
K-Lyte Cl
Kay-Cee-L
Apo-K
K Tab
K-Dur
K-Sol
Leo-K
Micro-K LS
Micro-Kalium Retard
Rum-K
Emplets potassium chloride
Slow-K tablets
Kalinorm Depottab
Nu-K
potassium;chloride
Kaon-Cl 10
Tripotassium trichloride
Super K (salt)
K-SR
Kaon-Cl TABS
Kalium S.R.
Chlorid draselny
Potassium Cl
Potassiumchloride
Klor-Con M20
Kaon Cl-10
Micro-K 10
KCL
Epiklor
Sylvine
Klor-Con M10
Klor-Con M15
Caswell No. 686
Kali Chloratum
Kali Chloridum
Potassium chloride (K3Cl3)
Potassii Chloridum
Sylvite (KCl)
Klor-Con 10
CCRIS 1962
Chloride (as potassium)
Kalii chloridum
HSDB 1252
K+10
K-10
EINECS 231-211-8
MFCD00011360
NSC 77368
NSC-77368
Potassium Chloride 10meq in Plastic Container
EPA Pesticide Chemical Code 013904
Potassium Chloride in Plastic Container
INS NO.508
Potassium chloride,AR,99.5%
UNII-660YQ98I10
CHEBI:32588
INS-508
Potassium (as chloride)
Potassium chloride 30meq in plastic container
Potassium chloride 40meq in plastic container
[KCl]
Natural sylvite
Kato
660YQ98I10
POTASSIUM(I) CHLORIDE
K-Norm
Potassium chloride [USP:JAN]
14336-88-0
K+8
Potassium chloride, ACS reagent
DTXSID5021178
E 508
E-508
Infalyte
Potassium chloride 20meq in plastic container
EC 231-211-8
NSC77368
Potassium chloride, ACS, 99.0%
Potassium chloride, for cell culture
Chlorid draselny [Czech]
Potassium chloride, for molecular biology
THAM-E COMPONENT POTASSIUM CHLORIDE
(KCl)
B1653
Potassium chloride, United States Pharmacopeia (USP) Reference Standard
HALFLYTELY COMPONENT POTASSIUM CHLORIDE
TIS-U-SOL COMPONENT POTASSIUM CHLORIDE
Potassium chloride [JAN]
Chloride, Potassium
Potassium chloride (USP:JAN)
POTASSIUM CHLORIDE (MART.)
POTASSIUM CHLORIDE [MART.]
POTASSIUM CHLORIDE (USP-RS)
POTASSIUM CHLORIDE [USP-RS]
Potassium chloride, inverted exclamation markY99.99% trace metals basis
POTASSIUM CHLORIDE (EP MONOGRAPH)
POTASSIUM CHLORIDE [EP MONOGRAPH]
POTASSIUM CHLORIDE (USP MONOGRAPH)
POTASSIUM CHLORIDE [USP MONOGRAPH]
Potassium chloride, meets analytical specification of Ph. Eur., BP, USP, FCC, E508, inverted exclamation markU0.0001% Al
Klotrix (TN)
Klor-con (TN)
Kaon-Cl (TN)
K-dur (TN)
Potassium thallium chloride (KTlCl)
KCL (TN)
Netimist
Potasalan
Potassium chloride, FCC grade
Kali Mur
Klor-con Sprinkle
Klor-con M
Micro-K Extencaps
Slow K
Kali Mur 3X
Kali Mur 6X
Potassium ChlorideER
CHLOROVESCENT
Kali Mur 12X
Kali Mur 30X
POTASH MURIATE
Potassium Chloride ER
ENSEAL KCL
potassium chloride salt
Neti Mist Sinus Spray
Homeopathic Sinus Spray
Kali Mur 200X
SLOW-K-TABLETS
Potassium Chloride E-R
Micro-K 10 Extencaps
Potassium Chloride,(S)
Potassium chloride; KCl
TONICPET 5
Klor-ConExtended-release
Potassium chloride powder
Kali Muriaticum Kit Refill
WLN: KA G
Chlorure de potassium Proamp
KALIUM MURIATICUM 6X
POTASSIUM CHLORIDE KC
B1653 [LANGUAL]
KALI MURIATICUM [HPUS]
DTXCID601178
ENSEAL POTASSIUM CHLORIDE
POTASSIUM CHLORIDE [II]
POTASSIUM CHLORIDE [MI]
CHEMBL1200731
POTASSIUM CHLORIDE [FCC]
POTASSIUM CHLORIDE 10MEQ
POTASSIUM CHLORIDE 20MEQ
POTASSIUM CHLORIDE 40MEQ
Potassium chloride solution, 1M
HY-Y0537B
HY-Y0537C
HY-Y0537E
HY-Y0537I
HY-Y0537J
HY-Y0537K
Potassium chloride (JP17/USP)
POTASSIUM CHLORIDE [HSDB]
Potassium chloride, Optical Grade
Potassium ChlorideExtended-Release
POTASSIUM CHLORIDE [VANDF]
Potassium chloride, LR, >=99%
Potassium Chloride Extended Release
Potassium Chloride Extended-release
CS-B1714
HY-Y0537
POTASSIUM CHLORIDE [WHO-DD]
POTASSIUM CHLORIDE [WHO-IP]
Potassium chloride, ACS, 99.5%
STR03715
MultiBic component potassium chloride
Potassium chloride, AR, >=99.5%
AKOS015902779
AKOS024438069
AKOS024457458
DB00761
FK30574
KALII CHLORIDUM [WHO-IP LATIN]
POTASSIUM CHLORIDE [ORANGE BOOK]
CHLORIDE (AS POTASSIUM) [VANDF]
POTASSIUM (AS CHLORIDE) [VANDF]
Potassium chloride solution , 0.075 M
Potassium chloride, BioXtra, >=99.0%
Potassium chloride, BP, Ph. Eur. grade
POTASSIUM CHLORIDEEXTENDED RELEASE
E508
Potassium chloride Biochemical Grade = 99%
CS-0376113
CS-0376114
CS-0909810
CS-0909812
CS-0909813
CS-1170399
D-125
NS00076322
P1757
Potassium chloride, ACS reagent, >=99.0%
Potassium chloride, p.a., 99.0-100.5%
POTASSIUM CHLORIDE COMPONENT OF THAM-E
D02060
Potassium chloride, BioUltra, >=99.5% (AT)
Potassium chloride, ReagentPlus(R), >=99.0%
POTASSIUM CHLORIDE COMPONENT OF HALFLYTELY
POTASSIUM CHLORIDE COMPONENT OF TIS-U-SOL
Potassium chloride, 99.999% trace metals basis
Potassium chloride, SAJ first grade, >=99.0%
Potassium chloride, tested according to Ph.Eur.
Potassium chloride, Trace metals grade 99.99%
Potassium chloride, >=99.99% trace metals basis
Potassium chloride, ACS reagent, 99.0-100.5%
Potassium chloride, JIS special grade, >=99.5%
Potassium chloride, Spectroscopy Grade, Ultrapure
Potassium chloride, USP special, 99.0-100.5%
Potassium chloride, Vetec(TM) reagent grade, 99%
Q184630
Potassium chloride, 0.005M, Conductivity Standard
Potassium chloride, 0.010M, Conductivity Standard
Potassium chloride, 0.0145M, Conductivity Standard
Potassium chloride, 0.0765M, Conductivity Standard
Potassium chloride, 0.117M, Conductivity Standard
Potassium chloride, puriss. p.a., >=99.5% (AT)
Potassium chloride, 0.00017M, Conductivity Standard
Potassium chloride, 0.00068M, Conductivity Standard
Potassium chloride, for molecular biology, >=99.0%
Potassium chloride, meets EP, USP testing specifications
Potassium chloride, BioUltra, for molecular biology, >=99.5% (AT)
Potassium standard for AAS, ready-to-use, traceable to BAM, in H2O
Potassium chloride crystal optic disc, 25mm x 4mm, polished both sides
Potassium chloride, anhydrous, beads, -10 mesh, 99.99% trace metals basis
Potassium chloride, anhydrous, beads, -10 mesh, 99.999% trace metals basis
Potassium chloride, anhydrous, free-flowing, Redi-Dri(TM), ACS reagent, >=99%
Potassium chloride, anhydrous, free-flowing, Redi-Dri(TM), ReagentPlus(R), >=99%
Potassium Chloride, Pharmaceutical Secondary Standard; Certified Reference Material
Potassium chloride, puriss. p.a., reag. ISO, reag. Ph. Eur., 99.5-100.5%
231-211-8
Potassium chloride, powder, BioReagent, suitable for cell culture, suitable for insect cell culture, >=99.0%
Potassium chloride, puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, E508, 99-100.5% (AT), <=0.0001% Al