Potassium chloride

Basic Information

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CAS Number

7447-40-7

Molecular Formula

ClK

Molecular Weight

74.55 g/mol

Chemical Classification

Water Treatment Chemicals Disinfectants Chlorine Compounds

Basic Physical Properties

Melting Point

770 °C

Boiling Point

1420 ºC

Density

1.98 g/mL at 25 °C

Water Solubility

340 g/L (20 ºC)

Flash Point

1500°C

Solubility

H2O: soluble

Refractive Index

n20/D 1.334

SMILES

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[Cl-].[K+]

InChI

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

InChIKey

WCUXLLCKKVVCTQ-UHFFFAOYSA-M

LogP

-2.99600

Complexity

Safety Information

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GHS Hazard Pictograms

H303

Hazard Statement

H303 May be harmful if swallowed
Acute toxicity, oral

Stability

Stable. Incompatible with strong oxidizing agents, strong acids. Protect from moisture. Hygroscopic.

Sensitiveness

Hygroscopic

Synonyms & References

English

BUFFER
BORATE BUFFER
BORATE BUFFER, APHA
BORATE BUFFERED SALINE
BORATE BUFFER PACKS
BORATE BUFFER SOLUTION
BUFFER, BORATE
BUFFER (BORATE), PH 10
BUFFER BORATE, PH 9.5
BUFFER BORATE, PH 9.50
BUFFER COLOUR CODED CONCENTRATED SOLUTION PH 10 (BORATE) BLUE
BUFFER COLOUR CODED SOLUTION PH 10 (BORATE) BLUE
BUFFER CONCENTRATED SOLUTION PH 10 (BORATE)
BUFFER CONCENTRATED SOLUTION PH 8 (BORATE)
BUFFER CONCENTRATED SOLUTION PH 9.2 (BORATE)
BUFFER PH 10.0 (BORATE)
BUFFER PH 8.0 (BORATE)
BUFFER PH 9.0 (BORATE)
BUFFER PH 9.22 (BORATE)
BUFFER SOLUTION
potassium chloride
Conductivity Standards Solutions
KCL
Potassium atomic spectroscopy standard concentrate 1.00 g K
Potassium atomic spectroscopy standard concentrate 10.00 g K
Potassium chloride solution
Potassium chloride Standard
Potassium chloride,medicinal
NH4CI
147.4μs
Conductance standard solution KAPPA 11.67 mS

MDL Number

MFCD00011360

Customs Code

3104209000

FAQ

What is Potassium chloride (CAS: 7447-40-7)?

Potassium chloride (CAS: 7447-40-7) is an ionic compound composed of potassium and chlorine ions, with the chemical formula KCl. It is a white crystalline salt commonly used in various industries. Known for its high solubility in water, it has a咸味 (salty taste) and is stable under normal conditions. Potassium chloride is essential in maintaining electrolyte balance and is widely applied in agriculture, medicine, and food processing. Its properties make it a versatile chemical in both industrial and biological contexts.

What are the main uses of Potassium chloride (CAS: 7447-40-7)?

Potassium chloride (CAS: 7447-40-7) is primarily used as a fertilizer to supply potassium to crops. In pharmaceuticals, it serves as a saline solution for intravenous therapy and cough suppressants. It is also a food additive for enhancing flavor and as a potassium supplement. Industrial applications include de-icing and chemical manufacturing. Additionally, it is used in research for electrolyte studies and in flame retardants. Its versatility makes it critical across multiple sectors.

Is Potassium chloride (CAS: 7447-40-7) safe?

Potassium chloride (CAS: 7447-40-7) is generally safe when handled properly. It is non-toxic in low concentrations but can cause irritation or toxicity if ingested in large amounts. Safety standards recommend avoiding prolonged skin contact, eye exposure, and inhalation of dust. Protective measures include gloves, goggles, and proper ventilation. OSHA guidelines and safety data sheets ensure safe handling in industrial and laboratory settings.

How should Potassium chloride (CAS: 7447-40-7) be stored?

Potassium chloride (CAS: 7447-40-7) should be stored in a cool, dry place, away from moisture and light. It is stable under standard conditions but may degrade if exposed to high humidity. Keep in a sealed, airtight container to prevent clumping. Store in a ventilated area to avoid inhalation risks. Proper storage ensures longevity and safety, adhering to chemical storage best practices.