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09719

Sigma-Aldrich

Ammonium iron(II) sulfate hexahydrate

BioUltra, ≥99.0% (RT)

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:
Molecular Weight:
392.14
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.25

product line

BioUltra

Quality Level

Assay

≥99.0% (RT)

impurities

insoluble matter, passes filter test

pH

2.5-4.0 (25 °C, 0.5 M in H2O)

mp

100 °C (dec.) (lit.)

solubility

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

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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Application

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;

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

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In the arc plasma jet (APJ) method, a large amount of soot including single wall carbon nanotubes (SWNTs) can be produced in a short time. However, as-grown soot contains a lot of impurities, such as metallic particles used as catalyst
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Talanta, 66(4), 1012-1017 (2008-10-31)
A simple, accurate, sensitive and selective flow injection catalytic kinetic spectrophotometric method for rapid determination of trace amounts of selenium is proposed in this paper. The proposed method is based on the accelerating effect of Se(IV) on the reaction of
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
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

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