Potassium chloride Cell culture 1KG Go Back


: 7447-40-7

Molecular Formula

: KCl

Molecular Weight

: 74.56
Description: Small white crystals / crystalline powder.
Solubility: Freely soluble in water, practically insoluble in anhydrous ethanol and diethyl ether.
Assay(argentometric): 99.0% - 100.5%
Identification (Chloride a): A white curdled precipitate which dissolves easily in ammonia should form
Identification (Chloride b): The paper should turn violet red
Identification (Potassium a): A white crystalline precipitate should form
Identification (Potassium b): A yellow or orange yellow precipitate should form immediately
Identification (Potassium): A white crystalline precipitate that soluble in 6N ammonium hydroxide and solutions of alkali hydroxides and carbonates should form
Appearance of solution: Clear and colorless solution
Free acid/Alkali: NMT 0.5ml of 0.01M hydrochloric acid or of 0.01M sodium hydroxide should require to change the color of indicator
Acidity or Alkalinity: A pink color should produce
Bromide (Br): NMT 0.1%
Iodide(I): The substance should not show blue color
Sulfate (SO4): NMT 0.01%
Heavy metals (as Pb): NMT 0.0005%
Aluminium (Al): NMT 0.00001%
Arsenic (As): NMT 0.0001%
Iron (Fe): NMT 0.001%
Sodium (Na): NMT 0.05%
Lead (Pb): NMT 0.0002%
Calcium(Ca)& Magnesium(Mg): No turbidity should produce within 5 min.
Magnesium and alkaline earth metals: NMT 0.02%
Loss on drying at 130°C: NMT 0.5%
Total aerobic microbial count: NMT 100 CFU/gm
Total Yeast and mold count: NMT 100 CFU/gm
Bacterial endotoxins: NMT 2.5 IU/gm
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