Potassium Ferrocyanide, also known as Potassium Hexacyanoferrate(II), Tetrapotassium
Ferrocyanide Trihydrate, and Yellow Prussiate, is often available as Trihydrate of Potassium
Hexacyanoferrate(II) having the chemical formula K4Fe(CN)6-3H2O or C6H6FeK4N6O3. It appears
as odorless lemon-yellow crystalline granules or powder and is soluble in Water at ambient
conditions. When heated to decomposition it emits toxic fumes of Nitrogen Oxides (NOx), Carbon
Monoxide (CO), Carbon Dioxide (CO2), Hydrogen Cyanide (Hydrocyanic Acid), and Heavy
metals. It can be produced on an industrial scale by reacting Hydrogen Cyanide, Ferrous Chloride,
and Calcium Hydroxide. This leads to the formation of Ca2[Fe(CN)6]-11H2O, which is then
combined with Potassium salts to precipitate the mixed Calcium-Potassium salt CaK2[Fe(CN)6].
This salt is finally treated with Potassium Carbonate to give the final product. Reagent Grade
chemicals have high purity and are best suited for analytical applications. They're important in
research because of their reliable, dependable, and repeatable results. Lab Alley sells its high-
quality Potassium Hexacyanoferrate Trihydrate, Reagent Grade or Potassium Ferrocyanide
Trihydrate, Reagent Grade online at laballey.com in the United States of America (USA). This
Lab Alley product is highly recommended for research labs and commercial uses due to its high
purity.
Please contact us to request a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for Potassium Ferrocyanide Reagent.
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This chemical will only be shipped to addresses that are:
Businesses
Schools and Universities
Laboratories
If you use a residential address during checkout, we will automatically remove this item from your order prior to shipping.
If your order includes more than 1 lb of mercury, it must be shipped to a commercial address, lab, or school.
Please note that we’re unable to ship mercury—of any amount—to apartments or shipping/parcel stores.
Ineligible orders will be automatically canceled.
If you are purchasing SDA in 5 gallons or more, you are required to provide a TTB permit showing how much of the product you are allowed to purchase per year. Please email your TTB permit to customercare@laballey and include your Order Number.
