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09730

Sigma-Aldrich

Ammonium iron(III) sulfate dodecahydrate

puriss. p.a., ACS reagent, ≥99.0% (RT)

Synonym(s):

Ammonium ferric sulfate dodecahydrate

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About This Item

Linear Formula:
NH4Fe(SO4)2 · 12H2O
CAS Number:
7783-83-7
Molecular Weight:
482.19
EC Number:
233-382-4
MDL number:
MFCD00150004
UNSPSC Code:
12352300
PubChem Substance ID:
329748811

grade

ACS reagent
puriss. p.a.

Assay

≥99.0% (RT)

mp

39-41 °C (lit.)

solubility

H2O: soluble 482.2 g/L at 20 °C

anion traces

chloride (Cl-): ≤5 mg/kg
nitrate (NO3-): ≤100 mg/kg
phosphate (PO43-): ≤30 mg/kg

cation traces

Ca: ≤20 mg/kg
Cd: ≤5 mg/kg
Co: ≤10 mg/kg
Cr: ≤50 mg/kg
Cu: ≤5 mg/kg
Fe2+: ≤10 mg/kg
K: ≤50 mg/kg
Mg: ≤10 mg/kg
Mn: ≤50 mg/kg
Na: ≤50 mg/kg
Ni: ≤10 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

SMILES string

N.O.O.O.O.O.O.O.O.O.O.O.O.[Fe+3].OS([O-])(=O)=O.[O-]S([O-])(=O)=O

InChI

1S/Fe.H3N.2H2O4S.12H2O/c;;2*1-5(2,3)4;;;;;;;;;;;;/h;1H3;2*(H2,1,2,3,4);12*1H2/q+3;;;;;;;;;;;;;;;/p-3

InChI key

LCPUDZUWZDSKMX-UHFFFAOYSA-K

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R Săndulescu et al.
Journal of pharmaceutical and biomedical analysis, 14(8-10), 951-958 (1996-06-01)
The method is based upon the reaction between fluoride ions and the coloured complex of Fe(III) with methyl salicylate to form the stable, colourless hexaflouride complex of iron. The conditions of the method (pH, time and combination ratio) were studied
J G Reinhold et al.
The Journal of nutrition, 116(6), 1007-1017 (1986-06-01)
The effects of pH, ascorbate, citrate and dietary fiber on retention of ferrous and ferric iron by jejuno-ileal segments of rat intestine were examined in vivo. Iron was introduced in an isosmotic solution of sodium chloride and dextrose buffered by
I Wittmann et al.
Chemico-biological interactions, 138(2), 171-187 (2001-10-24)
Diabetes mellitus is characterized by increased methylglyoxal (MG) production. The aim of the present study was to investigate the role of iron in the cellular and molecular effects of MG. A red blood cell (RBC) model and L-arginine were used
H S Kwak et al.
Journal of agricultural and food chemistry, 51(26), 7770-7774 (2003-12-11)
This study was designed to develop a microencapsulated iron that could be used to fortify milk and to determine the sensory properties of milk fortified with microencapsulated iron. Coating material was polyglycerol monostearate (PGMS), and selected core material was ferric
Andrew J Ghio et al.
American journal of physiology. Lung cellular and molecular physiology, 283(3), L563-L572 (2002-08-10)
The iron chelator deferoxamine has been reported to inhibit both xanthine oxidase (XO) and xanthine dehydrogenase activity, but the relationship of this effect to the availability of iron in the cellular and tissue environment remains unexplored. XO and total xanthine
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