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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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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
Ubon Cha'on et al.
Toxicological sciences : an official journal of the Society of Toxicology, 96(1), 194-201 (2006-12-19)
The aim of this study is to identify the biochemical mechanism of phosphine toxicity and resistance, using Caenorhabditis elegans as a model organism. To date, the precise mode of phosphine action is unclear. In this report, we demonstrate the following
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
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