Potassium Chloride – CAS 7447-40-7

Potassium Chloride (CAS 7447-40-7) is supplied by Rexar as an analytical chemical for laboratory and technical applications. The compound is commonly used as a reference material, calibration standard component and reagent within controlled laboratory environments.

This material is supplied for analytical, technical and research purposes only.

Rexar Analytical Chemical Datasheet (PDF)

Safety Data Sheet (SDS)

PubChem Compound Information

Technical Information

• Chemical name: Potassium Chloride
• CAS Number: 7447-40-7
• EC Number: 231-211-8
• Molecular formula: KCl
• Molecular weight: 74.56 g/mol
• Density: 1.984 g/cm³
• Melting point: 770 °C
• Boiling point: 1413 °C
• Solubility: 330 g/L (H₂O, 20 °C)
• Water hazard class (WGK): 1

Laboratory Use

Potassium Chloride is widely used in analytical chemistry, quality control procedures, calibration applications and laboratory research. The material is supplied in sealed laboratory packaging and intended exclusively for professional, technical and scientific use.