1.03792

Ammonium iron(II) sulfate hexahydrate

for analysis EMSURE^® ISO

• Synonym(s): Ammonium iron(II) sulfate hexahydrate
• Empirical Formula (Hill Notation): H₈FeN₂O₈S₂ · 6H₂O
• CAS Number: 7783-85-9
• Molecular Weight: 392.14
• MDL number: MFCD00150530
• UNSPSC Code: 12352302
• EC Index Number: 233-151-8
• NACRES: NA.21

Properties

• agency: reag. ISO
• Quality Level: 300
• product line: EMSURE^®
• assay: 99.0-101.5% (manganometric)
• form: solid
• potency: 3250 mg/kg LD₅₀, oral (Rat)
• pH: 3-5 (20 °C, 50 g/L in H₂O)
• mp: 39-41 °C (decomposition)
• solubility: 269 g/L
• density: 1.86 g/cm³ at 20 °C
• bulk density: 900 kg/m³
• anion traces: chloride (Cl^-): ≤0.001%; phosphate (PO₄^3-): ≤0.002%
• cation traces: Ca: ≤0.002%; Cu: ≤0.002%; Fe³⁺: ≤0.02%; K: ≤0.01%; Mg: ≤0.01%; Mn: ≤0.05%; Na: ≤0.01%; Pb: ≤0.001%; Zn: ≤0.003%
• storage temp.: 15-25°C
• 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+3;;;;;;;;;;/p-2
• InChI key: SHHFGSWBFZVUNE-UHFFFAOYSA-L

Description

Application

• Water-Mediated Green and Efficient Synthesis of Bis(Indolyl)methanes Using Ammonium Iron(II) Sulfate.: This research highlights the use of ammonium iron(II) sulfate hexahydrate in the green synthesis of bis(indolyl)methanes. The study demonstrates the compound′s efficiency and eco-friendliness in catalyzing reactions in water, offering a sustainable alternative in organic synthesis (Letters in Organic Chemistry, 2020).



• Determination of Ferromanganese and Ferrosilicon by Ammonium Ferrous Sulfate Titration and ICP.: This paper discusses the analytical methods for determining ferromanganese and ferrosilicon using ammonium iron(II) sulfate titration and inductively coupled plasma (ICP). The study underscores the compound′s role in precise quantitative analysis in metallurgical processes (Modern Analytical Chemistry Research, 2020).

Analysis Note

Assay (manganometric): 99.0 - 101.5 %
pH-value (5 %; water): 3.0 - 5.0
Chloride (Cl): ≤ 0.001 %
Phosphate (PO₄): ≤ 0.002 %
Iron(III)-salts (Fe³⁺): ≤ 0.02 %
Ca (Calcium): ≤ 0.002 %
Cu (Copper): ≤ 0.002 %
K (Potassium): ≤ 0.01 %
Mg (Magnesium): ≤ 0.01 %
Mn (Manganese): ≤ 0.05 %
Na (Sodium): ≤ 0.01 %
Pb (Lead): ≤ 0.001 %
Zn (Zinc): ≤ 0.003 %
Correspons to ISO

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable