P9333 Sigma-Aldrich

Potassium chloride

BioXtra, ≥99.0%



Related Categories Biochemicals and Reagents, Biological Buffers, Buffers A to Z, Chemical Synthesis, Inorganic Salts,
product line   BioXtra
assay   ≥99.0%
impurities   ≤0.0005% Phosphorus (P)
  ≤0.1% Insoluble matter
mp   770 °C(lit.)
solubility   H2O: 1 M, clear, colorless
density   1.98 g/mL at 25 °C(lit.)
anion traces   sulfate (SO42-): ≤0.001%
cation traces   Al: ≤0.0005%
  Ca: ≤0.005%
  Cu: ≤0.0005%
  Fe: ≤0.0005%
  Mg: ≤0.001%
  NH4+: ≤0.05%
  Na: ≤0.02%
  Pb: ≤0.001%
  Zn: ≤0.0005%



May be used for the preparation of phosphate buffered saline, and for the extraction and solubilization of proteins.


1 kg in poly bottle

500 g in poly bottle

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 


Certificate of Analysis

Certificate of Origin

High Quality GMP-Buffers

Protein Stabilizer
Protocols & Articles


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