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Merck
CN

31110

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
UNSPSC Code:
12352300
PubChem Substance ID:
24858837
EC Number:
233-151-8
MDL number:
MFCD00150530

Key Documents

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InChI key

MQLVWQSVRZVNIP-UHFFFAOYSA-L

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

SMILES string

N.N.O.O.O.O.O.O.[Fe++].OS([O-])(=O)=O.OS([O-])(=O)=O

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

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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

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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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Xianwen Mi et al.
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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
S Brindha et al.
Physics in medicine and biology, 47(11), N153-N158 (2002-07-11)
Radiation dosimetry deals with the determination of absorbed dose to the medium exposed to ionizing radiation. Chemical dosimetry depends on oxidation or reduction of chemicals by ionizing radiation. A ferrous ammonium sulfate benzoic acid xyelenol orange (FBX) dosimeter based on
Cinzia Signorini et al.
Pediatric research, 63(3), 287-291 (2008-02-22)
Nonprotein-bound iron (NPBI) and F2-isoprostanes, reliable markers of oxidative stress, are increased in plasma of newborns and inversely correlated to the gestational age. Because NPBI represents a pro-oxidant stimulus in plasma, we test the hypothesis that the entity of lipid
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