IRON(II) SULFATE HEPTAHYDRATE

Code: 12354-250GSIG D2-231

Application

Iron(II) sulfate heptahydrate (FeSO4.7H2O) may be used in the synthesis of maghemite nanoparticles.

Caution

ten...


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Application

Iron(II) sulfate heptahydrate (FeSO4.7H2O) may be used in the synthesis of maghemite nanoparticles.

Caution

tends to oxidation by air

General description

Iron(II) sulfate heptahydrate is a heptahydrate of iron(II) sulfate. It undergoes thermal degradation to afford hydrosulfate and oxysulfate of iron(III). Isothermal and dynamic thermal analysis methods have been proposed to study its thermal decomposition in air.

Packaging

bottled under inert gas

anion traceschloride (Cl-): ≤100 mg/kg
assay99.5-104.5% (manganometric)
cation tracesMg: ≤200 mg/kg, Na: ≤100 mg/kg, Zn: ≤20 mg/kg, Cu: ≤30 mg/kg, Pb: ≤2 mg/kg, K: ≤20 mg/kg, Cr: ≤50 mg/kg, Ca: ≤200 mg/kg, Mn: ≤1000 mg/kg, Hg: ≤1 mg/kg, As: ≤2 mg/kg, Fe3+: ≤2000 mg/kg, Ni: ≤50 mg/kg
density1.898 g/mL at 25 °C (lit.)
formcrystals
gradepuriss.
impurities≤0.005% heavy metals (as Pb), organic volatile impurities, complies (GC), residual solvents, complies
InChI keySURQXAFEQWPFPV-UHFFFAOYSA-L
InChI1S/Fe.H2O4S.7H2O/c;1-5(2,3)4;;;;;;;/h;(H2,1,2,3,4);7*1H2/q+2;;;;;;;;/p-2
pH3-4 (20 °C, 5%)
Quality Level200
qualitymeets analytical specification of Ph. Eur., BP, USP, FCC
reaction suitabilityreagent type: catalystcore: iron
shelf lifeShelf life is limited
SMILES stringO.O.O.O.O.O.O.[Fe++].[O-]S([O-])(=O)=O
suitabilitycomplies for appearance of solution
vapor pressure14.6 mmHg ( 25 °C)
Cas Number7782-63-0
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