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Potassium Ferrocyanide NOT FOR SALE

Product Code: RXSOL-60-5126-025

Categories: Lab Chemical-60
Product Short Description: Potassium Ferrocyanide
Product Description:

Potassium Ferricyanide laboratory grade manufacturer, supplier and exporter.

NOT FOR SALE, EDUCATIONAL PURPOSES ONLY

Product Application:

Potassium ferricyanide is also one of two compounds present in ferroxyl indicator solution (along with phenolphthalein) which turns blue (Prussian blue) in the presence of Fe2+ ions, and which can therefore be used to detect metal oxidation that will lead to rust. It is possible to calculate the number of moles of Fe2+ ions by using a colorimeter, because of the very intense color of Prussian blue Fe4[Fe(CN)6]3.

 

SAFETY :

Potassium ferricyanide has very low toxicity, its main hazard being that it is a mild irritant to the eyes and skin. However, under very strongly acidic conditions, highly toxic hydrogen cyanide gas is evolved, according to the equation:

6 H+ + [Fe(CN)6]3− → 6 HCN + Fe3+[9]

The reaction with hydrochloric acid is as follows:

6 HCl + K3[Fe(CN)6] → 6 HCN + FeCl3 + 3 KCl


 

Product Dose:

You may click here to know more about passivation liquid , other methods for PASSIVATION TEST

Do you know A-A-A methods for Passivation ?  click here............

Product Note:

IUPAC name  :  Potassium Hexacyanidoferrate(II)
 
Identifiers
CAS number 13943-58-3 
PubChem 26250
RTECS number LJ8225000
 

Properties
Molecular formula C6N6FeK4
Molar mass     368.35 g/mol
Appearance   deep red crystals
Density           1.85 g/cm3, solid
Melting point   300 °C, 573 K, 572 °F
 
Boiling point :  decomp.
 
Solubility in water 330 g/L ("cold water")
464 g/L (20°C)
775 g/L ("hot water")[1]
Solubility slightly soluble in alcohol
soluble in acid
soluble in water

Remarks:

Detecting free Iron :   Spray the surface with a solution of potassium ferricyanide. If free iron is present, a blue color will appear. This test is extremely sensitive and often gives false positive results, that is, it gives an indication of iron being present when it really is not. The ferroxyl solution must be made fresh each day by addition with Nitric acid. The ferroxyl tests are described in ASTM A380.

Product Tag Identification:

The potassium and sodium ferrocyanides are also used in the purification of tin and the separation of copper from molybdenum ores. Potassium ferrocyanide is used in the production of wine and citric acid.

It can also be used in animal feed.

In the laboratory, potassium ferrocyanide is used to determine the concentration of potassium permanganate, a compound often used in titrations based on redox reactions.

Thus it is used as an identifying reagent for iron in labs.

Product Useful Area:

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Packaging Size

Supply Location

NOT FOR SALE, EDUCATIONAL PURPOSES ONLY

Free Delivery / Supply Locations

Oman, Bahrain, Abu Dhabi, Ajman, Al Ain, Dubai, Ras Al-Khaimah, Fujairah, Sharjah, Umm Al Quwain, Ruwais, Mina Zayed, Khalifa Port, Kizad, Jebel Ali, Port Rashid, Khor Fakkan, Sharjah Creek, Port of Hamriyah, Mussafah Port, Saqr Port, Dibba Port, Jebel Dhanna, Mina Al Hamriya, and all major UAE ports.