FX0245

Ferrous Ammonium Sulfate, Hexahydrate

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

• Synonym(s): Ferrous Ammonium Sulfate, Hexahydrate, Ammonium Iron(II) Sulfate, Hexahydrate, Ammonium Iron (II) Sulfate
• Linear Formula: Fe(NH₄)₂(SO₄)₂ · 6H₂O
• CAS Number: 7783-85-9
• MDL number: MFCD00150530
• UNSPSC Code: 12352302
• EC Index Number: 233-151-8

Properties

• Quality Level: 200
• Assay: 98.5-101.5%
• form: crystals
• impurities: ≤0.01% Insoluble matter
• color: blue-green
• pH: 3-5 (20 °C, 50 g/L in H₂O)
• mp: 39-41 °C (Elimination of water of crystallisation)
• solubility: 269 g/L
• anion traces: phosphate (PO₄^3-): ≤0.003%
• cation traces: Ca: ≤0.005%; Cu: ≤0.003%; Fe³⁺: ≤0.01%; K: ≤0.002%; Mg: ≤0.002%; Mn: ≤0.01%; Na: ≤0.02%; Zn: ≤0.003%
• shipped in: ambient
• storage temp.: room temp
• SMILES string: [Fe+3].[S](=O)(=O)([O-])[O-].[S](=O)(=O)([O-])[O-].[N+H4].[N+H4].O.O.O.O.O.O
• InChI: 1S/Fe.2H3N.2H2O4S.6H2O/c;;;2*1-5(2,3)4;;;;;;/h;2*1H3;2*(H2,1,2,3,4);6*1H2/q+3;;;;;;;;;;/p-2
• InChI key: SHHFGSWBFZVUNE-UHFFFAOYSA-L

Description

Analysis Note

Assay: 98.5-101.5%
Calcium (Ca): 0.005% max
Color: Blue-green (no yellow)
Copper (Cu): 0.003% max
Ferric iron (Fe+++): 0.01% max
Form: Crystals
Insoluble matter: 0.01% max
Magnesium (Mg): 0.002% max
Manganese (Mn): 0.01% max
Phosphate (PO4): 0.003% max
Potassium (K): 0.002% max
Sodium (Na): 0.02% max
Zinc (Zn): 0.003% max

Safety Information

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable