Ammonium iron(II) sulfate hexahydrate

BioUltra, ≥99.0% (RT)

Mohr’s salt, Ammonium iron(II) sulfate, Ammonium ferrous sulfate hexahydrate
Linear Formula:
(NH4)2Fe(SO4)2 · 6H2O
CAS Number:
Molecular Weight:
EC Number:
MDL number:
PubChem Substance ID:

product line


Quality Level


≥99.0% (RT)


insoluble matter, passes filter test


2.5-4.0 (25 °C, 0.5 M in H2O)


100 °C (dec.) (lit.)


H2O: 0.5 M at 20 °C, clear, faintly yellow-green

anion traces

chloride (Cl-): ≤10 mg/kg
phosphate (PO43-): ≤20 mg/kg

cation traces

Cd: ≤5 mg/kg
Co: ≤50 mg/kg
Cr: ≤50 mg/kg
Cu: ≤5 mg/kg
Fe3+: ≤50 mg/kg
K: ≤50 mg/kg
Mg: ≤100 mg/kg
Mn: ≤500 mg/kg
Na: ≤50 mg/kg
Ni: ≤100 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

SMILES string




InChI key


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Ammonium iron(II) sulfate hexahydrate has been used in a study to assess the catalytic effect of different forms of iron in purification of single-walled carbon nanotubes. Ammonium iron(II) sulfate hexahydrate has also been used in a study to determine trace amounts of Se(IV) in seawater.
In culture media for the detection of sulfate-reducing bacteria;


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Hazard Statements

Target Organs

Respiratory system

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

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