09719

Sigma-Aldrich

Ammonium iron(II) sulfate hexahydrate

BioUltra, ≥99.0% (RT)

Synonym(s):
Mohr’s salt, Ammonium iron(II) sulfate, Ammonium ferrous sulfate hexahydrate
Linear Formula:
(NH4)2Fe(SO4)2 · 6H2O
CAS Number:
Molecular Weight:
392.14
EC Number:
MDL number:
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;

pictograms

Exclamation mark

signalword

Warning

hazcat

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

storage_class_code

13 - Non Combustible Solids

WGK Germany

WGK 1

Flash Point F

Not applicable

Flash Point C

Not applicable

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Certificate of Analysis

Certificate of Origin

Tomoko Suzuki et al.
Journal of nanoscience and nanotechnology, 10(6), 3924-3928 (2010-04-02)
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...
Gong Zhengjun et al.
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...
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...
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...

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