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Merck
CN

31110

Sigma-Aldrich

Ammonium iron(II) sulfate hexahydrate

puriss. p.a., reag. ISO, reag. Ph. Eur., ≥99% (manganometric)

Synonym(s):

Ammonium ferrous sulfate hexahydrate, Ammonium iron(II) sulfate, Mohr’s salt

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About This Item

Linear Formula:
(NH4)2Fe(SO4)2 · 6H2O
CAS Number:
7783-85-9
Molecular Weight:
392.14
EC Number:
233-151-8
MDL number:
MFCD00150530
UNSPSC Code:
12352300
PubChem Substance ID:
24858837

Key Documents

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Agency

reag. ISO
reag. Ph. Eur.

grade

puriss. p.a.

Assay

≥99% (manganometric)

shelf life

Shelf life is limited

pH

3-5 (20 °C, 5%)

mp

100 °C (dec.) (lit.)

anion traces

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

cation traces

Ca: ≤20 mg/kg
Cu: ≤20 mg/kg
Fe3+: ≤200 mg/kg
K: ≤100 mg/kg
Mg: ≤100 mg/kg
Mn: ≤500 mg/kg
Na: ≤100 mg/kg
Pb: ≤10 mg/kg
Zn: ≤30 mg/kg

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

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Packaging

bottled under inert gas

Other Notes

A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

Disclaimer

tends to oxidation by air

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
SZE92660
SZBC3320V
C3320
SZBC3260V
C3260

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Kazumasa Kumamoto et al.
Free radical research, 39(9), 987-993 (2005-08-10)
Identification of free radicals was performed for the reaction mixtures of autoxidized 1,2-dilinoleoylphosphatidylcholine (DLPC) with ferrous ions (or DLPC hydroperoxide with ferrous ions) and of DLPC with soybean lipoxygenase using electron spin resonance (ESR), high performance liquid chromatography (HPLC)--ESR and
Yu-Jung Chang et al.
Nutrition (Burbank, Los Angeles County, Calif.), 21(4), 520-524 (2005-04-07)
This study examined whether iron accumulated in ferritin-producing recombinant microbes is bioavailable to rats with iron deficiency. Rats induced with iron deficiency were treated with iron preparations of ferrous ammonium sulfate, horse spleen ferritin, control yeast, and ferritin-producing recombinant yeast
Xianwen Mi et al.
Analytical chemistry, 84(2), 939-946 (2011-12-07)
The key factors that control the spread and mortality rate of tuberculosis (TB) are rapid detection and diagnosis. However, the current detection of Mycobacterium tuberculosis (M. tuberculosis) cannot meet the recommended requirements for clinical diagnosis in turnaround time. In this
Mayara Marinovic Baccan et al.
Journal of inorganic biochemistry, 107(1), 34-39 (2011-12-17)
The antioxidant activity of flavonoids may involve their ability to complex body iron in non-redox-active forms. In this study, it was found that the catechol flavonoids rutin and quercetin are able to suppress redox-active labile plasma iron (LPI) in both
Ashish Pathak et al.
Journal of hazardous materials, 171(1-3), 273-278 (2009-07-10)
The potential of indigenous iron-oxidizing microorganisms enriched at initial neutral pH of the sewage sludge for bioleaching of heavy metals was investigated at initial neutral pH of the sludge using ammonium ferrous sulfate (FAS) and ferrous sulfate (FS) as an
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