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Merck
CN

12304

Sigma-Aldrich

Ammonium iron(II) sulfate hexahydrate

puriss., ≥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:
12352302
PubChem Substance ID:
329749695
NACRES:
NA.55
Assay:
≥99% (manganometric)
Form:
solid

Key Documents

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grade

puriss.

Assay

≥99% (manganometric)

form

solid

shelf life

Shelf life is limited

reaction suitability

reagent type: catalyst
core: iron

pH

3-5 (20 °C, 50 g/L)

mp

100 °C (dec.) (lit.)

anion traces

chloride (Cl-): ≤50 mg/kg

cation traces

Ca: ≤200 mg/kg
Cu: ≤20 mg/kg
Fe3+: ≤500 mg/kg
K: ≤100 mg/kg
Mg: ≤200 mg/kg
Na: ≤100 mg/kg
Zn: ≤100 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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Disclaimer

will be oxidized by air

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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The crystal structure of Tutton's salts. VI. Vanadium (II), iron (II) and cobalt (II) ammonium sulfate hexahydrates.
Montgomery H, et al.
Acta Crystallographica, 22(6), 775-780 (1967)
Mixed ligand complexes of iron (II) and (III) with cyanide and aromatic di-imines.
Schilt AA.
Journal of the American Chemical Society, 82(12), 3000-3005 (1960)
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
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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
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