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  • 85 Kg Jarrycan

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CAS number: 7705-08-0, 10025-77-1 (hexahydrate)
PubChem: 24380
ChemSpider: 22792
UN number: 1773 (anhydrous) 2582 (aqueous solution)
Chebi: 30808 RTECS number: LJ9100000
Molecular formula: FeCl3
Molar mass: 162.2 g / mol (anhydrous) 270.3 g / mol (hexahydrate)
Appearance: reflected light green-black; Purple-red with transmitted light
hexahydrate: yellow solid
aq. Solutions: Brown
Odor: mild HCl
Density: 2.898 g / cm3 (anhydrous) 1.82 g / cm3 (hexahydrate)
Melting point: 306 ° C (anhydrous) 37 ° C (hexahydrate)
Boiling point: 315 ° C (anhydrous, decomp)
280 ° C (hexahydrate, Decay) (Partial decomposition for FeCl 2 Cl 2)
Solubility in water: 74.4 g / 100 mL (0 ° C)
92 g / 100 mL (hexahydrate, 20 ° C)

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General Information

The chemical formula is FeCl3 in the form of 40% solution. The active reaction with water is achieved in the range of pH 6-9. Dark brown. Iron three chloride is a dark brown chemical. As it is acidic, it is important to use plastic or stainless steel tanks during handling and storage.

Molecular Structure

     3 -1
Fe Cl Fe Cl3

Production and Reactions

It can be found in the iron and steel industry as a small particle and powdered waste.

Tufal HCl ----> Fe Cl3

Sinter furnaces can be recovered as a source of iron.

Usage areas

It is used as a coagulant in waste water treatment and drinking water production.

Iron (III) chloride Hydrometallurgy is used as a leaching agent. For example Si production. (Silgrain process)

It is used as a catalyst in most industrial applications.

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