CAS number : 10025-77-1
Chemical Formula: FeCl3-6H2O
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Ferric Chloride Hexahydrate BP Grade Ph Eur
CAS Number: 10025-77-1
Content: 98.0 per cent to 102.0 percent.
Appearance: Crystalline mass or orange-yellow or brownish-yellow crystals, very hygroscopic.
Solubility: Very soluble in water and in ethanol (96 per cent), freely soluble in glycerol.
A. It gives reaction of chlorides.
B. It gives reaction of iron.
Solution S: Dissolve 10 g in distilled water and dilute to 100 ml with the same solvent.
Acidity: In a suitable polyethylene container, dissolve 3.0 g of potassium fluoride in 15 ml of water. Titrate with 0.1 M sodium hydroxide using 0.1 ml of PhPh solution as indicator until a pink colour is obtained. Add 10 ml of solution S and allow to stand for 3 h. Filter and use 12.5 ml of the filtrate. Not more than 0.30 ml of 0.1 M sodium hydroxide is required to change the colour of the indicator to pink.
Free chlorine: Heat 5 ml of solution S. The vapour does not turn starch iodide paper blue.
Sulphates: Maximum 100 ppm.
Ferrous ions: Maximum 50 ppm.
Heavy metals: Maximum 50 ppm.
Ferric Chloride Hexahydrate Analytical Reagent Grade
Iron(III) Chloride Hexahydrate
CAS Number: 10025-77-1
Assay: 97.0-102.0% FeCl3 . 6H2O
Insoluble matter: 0.01%
Nitrate (NO3): 0.01%
Phosphorus compounds (as PO4): 0.01%
Sulfate (SO4): 0.01%
Copper (Cu): 0.03%
Zinc (Zn): 0.03%
Ferrous iron (Fe++): Passes test
Substances not precipitated by ammonium hydroxide (as sulfates): 0.1%
Specifications of Ferric Chloride Anhydrous:
Appearance: Greenish to Black, Crystalline powder
FeCl3 Assay: 98 %
Ferrous Salt as FeCl2: 0.10 % max
Insolubles: 0.50 % max.
Specific Gravity@25°C: 2.80
Molecular weight: 162.5
Melting Point: 282°C
Solubility: miscible in water.
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