Sigma-Aldrich 12354 Iron(II) sulfate heptahydrate puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, 99.5-104.5% (manganometric) 2.5 kg
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LB.SA.12354-2.5KG
Kısa Bilgi
Synonym(s): Ferrous sulfate heptahydrate Linear Formula: FeSO4 · 7H2O CAS Number: 7782-63-0 Molecular Weight: 278.01 EC Number: 231-753-5 MDL number: MFCD00149719 PubChem Substance ID: 329749721 NACRES: NA.21
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CAS Number: 7782-63-0
| Sigma-Aldrich 12354 Iron(II) sulfate heptahydrate puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, 99.5-104.5% (manganometric) |
| Synonym(s): Ferrous sulfate heptahydrate Linear Formula: FeSO4 · 7H2O CAS Number: 7782-63-0 Molecular Weight: 278.01 EC Number: 231-753-5 MDL number: MFCD00149719 PubChem Substance ID: 329749721 NACRES: NA.21 |
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PROPERTIES
vapor pressure 14.6 mmHg ( 25 °C)
Quality Level 200 grade puriss. Assay 99.5-104.5% (manganometric) form crystals quality meets analytical specification of Ph. Eur., BP, USP, FCC shelf life Shelf life is limited reaction suitability reagent type: catalyst core: iron impurities organic volatile impurities, complies (GC) residual solvents, complies ≤0.005% heavy metals (as Pb) pH 3-4 (20 °C, 5%) density 1.898 g/mL at 25 °C (lit.) anion traces chloride (Cl-): ≤100 mg/kg cation traces As: ≤2 mg/kg Ca: ≤200 mg/kg Cr: ≤50 mg/kg Cu: ≤30 mg/kg Fe3+: ≤2000 mg/kg Hg: ≤1 mg/kg K: ≤20 mg/kg Mg: ≤200 mg/kg Mn: ≤1000 mg/kg Na: ≤100 mg/kg Ni: ≤50 mg/kg Pb: ≤2 mg/kg Zn: ≤20 mg/kg suitability complies for appearance of solution SMILES string O.O.O.O.O.O.O.[Fe++].[O-]S([O-])(=O)=O InChI 1S/Fe.H2O4S.7H2O/c;1-5(2,3)4;;;;;;;/h;(H2,1,2,3,4);7*1H2/q+2;;;;;;;;/p-2 InChI key SURQXAFEQWPFPV-UHFFFAOYSA-L DESCRIPTION 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).[1] Isothermal and dynamic thermal analysis methods have been proposed to study its thermal decomposition in air.[2] Application Iron(II) sulfate heptahydrate (FeSO4.7H2O) may be used in the synthesis of maghemite nanoparticles.[3] Packaging bottled under inert gas Caution tends to oxidation by air |
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