Sulphuric Acid Iron Salt
[CAS# 10124-49-9]

Identification

• Name: Sulphuric Acid Iron Salt
• Synonyms: Diferric Trisulfate; Sulfuric Acid, Iron(3+) Salt (3:2); Sulfuric Acid, Iron(3+) Salt
• Molecular Formula: Fe₂O₁₂S₃
• Molecular Weight: 399.87
• CAS Registry Number: 10124-49-9
• EINECS: 233-336-3
• SMILES: O=[S]([O-])([O-])=O.[O-][S]([O-])(=O)=O.[O-][S]([O-])(=O)=O.[Fe+3].[Fe+3]
• InChI: 1S/2Fe.3H2O4S/c;;3*1-5(2,3)4/h;;3*(H2,1,2,3,4)/q2*+3;;;/p-6
• InChIKey: RUTXIHLAWFEWGM-UHFFFAOYSA-H

Properties

• Density: 3.097 (Expl.)
• Melting point: 480°C (Expl.)
• solubility: Slightly soluble in water

Safety Data

• Safety Code: S26;S37
• Risk Code: R36/37/38
• Hazard Symbol: X
• Safety Description: WARNING: Causes GI injury, skin and eye irritation

References

• (1): Jacqueline A. Whitehead, Geoffrey A. Lawrance and Adam McCluskey. ‘Green’ leaching: recyclable and selective leaching of gold-bearing ore in an ionic liquid, Green Chem., 2004, 6, 313.