Ammonium iron(II) sulfate hexahydrate

grade

ACS reagent

Quality Level

200

Assay

98.5-101.5%
99%

form

powder or crystals

reaction suitability

reagent type: catalyst
core: iron

impurities

≤0.01% insolubles
≤0.05% Not NH₄OH pptd.

pH

3-5 (20 °C 50 g/L)

mp

100 °C (dec.) (lit.)

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%

SMILES string

N.N.O.O.O.O.O.O.[Fe++].OS([O-])(=O)=O.OS([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+2;;;;;;;;;;/p-2

InChI key

MQLVWQSVRZVNIP-UHFFFAOYSA-L