Ferric Sulphate/ Ferric Sulfate Water Treatment CAS 10028-22-5

Description

The Ferric sulfate with CAS registry number of 10028-22-5 is also known as Diiron(3+) sulfate. The IUPAC name is Iron(3+) trisulfate. Its EINECS registry number is 233-072-9. In addition, the formula is Fe₂O₁₂S₃ and the molecular weight is 399.88. This chemical is a yellow crystalline solid or a grayish-white powder that soluble in water and slightly soluble in ethanol. It should be sealed in ventilated and dry place at room temperature without light. This chemical is used as an astringent and styptic, a coagulant for industrial wastes, a mordant in dyeing. Besides, it is also used in pigments, and in pickling baths for aluminum and steel.

Physical properties about Ferric sulfate are: (1)ACD/LogP: -1.03; (2)ACD/LogD (pH 5.5): -5.53; (3)ACD/LogD (pH 7.4): -5.53; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)#H bond acceptors: 4; (7)#H bond donors: 2; (8)Enthalpy of Vaporization: 62.94 kJ/mol; (9)Boiling Point: 330 °C at 760 mmHg; (10)Vapour Pressure: 3.35E-05 mmHg at 25 °C.

Preparation of Ferric sulfate. Firstly, ferrous sulfate is dissolved in water, heated to 70 °C. Slowly adding sulfuric acid and nitric acid to solution for oxidation reaction at the temperature of 95-100 °C. When the oxidation reaction is complete, reactant is filtered and adding a small amount of sulfuric acid to the filtrate. Then product is obtained by evaporation, condensation, cooling and filtering out the crystals.

2 FeSO₄ + H₂SO₄ + 2 HNO₃ = Fe(SO4)₃ + 2NO₂ + 2 H₂O

When you are using this chemical, please be cautious about it. As a chemical, it is harmful if swallowed and irritating to eyes or respiratory system. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
1. Canonical SMILES: [O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Fe+3].[Fe+3]
2. InChI: InChI=1S/2Fe.3H2O4S/c;;3*1-5(2,3)4/h;;3*(H2,1,2,3,4)/q2*+3;;;/p-6
3. InChIKey: RUTXIHLAWFEWGM-UHFFFAOYSA-H

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