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Ferric sulfate

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Ferric sulfate

EINECS 233-072-9
CAS No. 10028-22-5 Density 3.097 g/cm3
PSA 265.92000 LogP -0.77660
Solubility Slightly soluble in water Melting Point 480 °C
Formula Fe2O12S3 Boiling Point 330 °C at 760 mmHg
Molecular Weight 399.88 Flash Point N/A
Transport Information UN 9121 Appearance Yellow crystalline solid or a grayish-white powder
Safety 26 Risk Codes 22-36/37
Molecular Structure Molecular Structure of 10028-22-5 (Ferric sulfate) Hazard Symbols HarmfulXn

Ironsulfate (Fe2(SO4)3) (7CI);Amersep 5320;Diiron trisulfate;Diiron(3+) sulfate;FS-Pix;Iron persulfate;Iron sesquisulfate;Iron sulfate(2:3);Iron(3+) sulfate;Iron(III) sulfate;PIX 115;ViscoStat;


Ferric sulfate Specification

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

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 168mg/kg (168mg/kg)   Comptes Rendus Hebdomadaires des Seances, Academie des Sciences. Vol. 256, Pg. 1043, 1963.

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