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104936 Potassium chloride, for analysis EMSURE, Merck

104936

Potassium chloride (EMSURE grade) is a high-purity analytical reagent that meets the highest international quality standards. It is a universal reagent used in laboratories for a wide range of applications, from buffer preparation to complex protein analysis.

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Potassium chloride (1.04936) is an inorganic salt of premium quality, characterized by its high assay (≥ 99.5%) and strictly controlled impurity profile. As part of the EMSURE® product line, it is optimized for regulated applications and demanding analytical procedures, ensuring high reproducibility and reliability of results. In laboratory settings, it is a key component for preparing Phosphate Buffered Saline (PBS), which is essential for cell culture and biochemistry. I3t is also widely used in the extraction and solubilization of proteins, as well as in electrochemical applications as an electrolyte in salt bridges and reference electrodes.

Advantages

  • High Purity: Guaranteed assay of ≥ 99.5% with extremely low levels of trace metals and anions.
  • EMSURE® Quality: Complies with international standards, making it suitable for use in regulated environments and complex analyses.
  • Versatile Application: Essential for life sciences (PBS preparation, protein extraction) and analytical chemistry.
  • Reliability: Excellent batch-to-batch consistency for standardized laboratory protocols.
  • Safety and Compliance: Detailed documentation, including Certificates of Analysis (CoA), is readily available to ensure traceability.

Technical specifications

Catalogue number 104936
Product name Potassium chloride
Brand Supelco® / Merck / EMSURE®
CAS number 7447-40-7
Assay (argentometric) ≥ 99.5 %
Molecular weight 74.55 g/mol
pH Value 5.5 – 8.0 
Solubility 347 g/l in water (20 °C)
Storage temperature +15 °C to +25 °C

Available packaging options

Catalogue Number Pack Size / Container
1.04936.0250 250 g (Plastic bottle)
1.04936.0500 500 g (Plastic bottle)
1.04936.1000 1 kg (Plastic bottle)
1.04936.5000 5 kg (Plastic bottle)
1.04936.9010 10 kg (Plastic container)
1.04936.9050 50 kg (Fibre drum)