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  2. Supelco® Iron(II) sulfate heptahydrate, for analysis EMSURE® ACS,ISO,Reag. Ph Eur

Supelco® Iron(II) sulfate heptahydrate, for analysis EMSURE® ACS,ISO,Reag. Ph Eur

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Empirical Formula (Hill Notation):  FeO4S · 7H2O

CAS Number:  7782-63-0

Molecular Weight:  278.01

MDL number:  MFCD00149719

UNSPSC Code:  12352302

EC Index Number:  231-753-5

NACRES:  NA.21

Assay:  99.5-102.0% (manganometric)

Grade:  ACS reagent

Form:  solid

Grade:  ACS reagent

Quality Level:  300

Agency:

reag. ISO

reag. Ph. Eur.

product line:  EMSURE®

Assay:  99.5-102.0% (manganometric)

Form:  solid

Potency:  319 mg/kg LD50, oral (Rat)

greener alternative product characteristics:

Design for Energy Efficiency

Learn more about the Principles of Green Chemistry.

Sustainability:  Greener Alternative Product

Impurities:  ≤0.01% Insoluble matter

pH:  3-4 (20 °C, 50 g/L in H2O)

mp:  >60 °C (Elimination of water of crystallisation)

density:  1.89 g/cm3 at 20 °C

bulk density:  600 kg/m3

anion traces:

chloride (Cl-): ≤0.0005%

phosphate (PO43-): ≤0.001%

cation traces:

As: ≤0.0002%

Ca: ≤0.005%

Co: ≤0.0025%

Cr: ≤0.0050%

Cu: ≤0.001%

Fe3+: ≤0.02%

K: ≤0.002%

Mg: ≤0.002%

Mn: ≤0.05%

N: ≤0.001%

Na: ≤0.02%

Ni: ≤0.0050%

Pb: ≤0.0005%

Zn: ≤0.0050%

heavy metals (as Pb): ≤0.005%

greener alternative category:  Enabling

storage temp.:  15-25°C

SMILES string:  [Fe+2].[S](=O)(=O)([O-])[O-].O.O.O.O.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

General description

We are committed to bringing you Greener Alternative Products, which belong to one of the four categories of greener alternatives. IRON(II) SULFATE HEPTAHYDRATE is essential for developing greener energy solutions, particularly in iron-based lithium-ion batteries. Its eco-friendly properties enhance energy storage efficiency, reduce reliance on harmful materials, and support the advancement of sustainable technologies. Click here for more information.

Analysis Note

Assay (manganometric): 99.5 - 102.0 %

Identity: passes test

Appearance of solution: passes test

Insoluble matter: ≤ 0.01 %

pH-value (5 %; water): 3.0 - 4.0

Chloride (Cl): ≤ 0.0005 %

Phosphate (PO₄): ≤ 0.001 %

Total nitrogen (N): ≤ 0.001 %

Heavy metals as Pb: ≤ 0.005 %

As (Arsenic): ≤ 0.0002 %

Ca (Calcium): ≤ 0.005 %

Cr (Chromium): ≤ 0.0050 %

Cu (Copper): ≤ 0.001 %

Fe III (Iron III): ≤ 0.02 %

K (Potassium): ≤ 0.002 %

Mg (Magnesium): ≤ 0.002 %

Mn (Manganese): ≤ 0.05 %

Na (Sodium): ≤ 0.02 %

Ni (Nickel): ≤ 0.0050 %

Pb (Lead): ≤ 0.0005 %

Zn (Zinc): ≤ 0.0050 %

Co (Cobalt): ≤ 0.0025 %

Substance not precipitated by ammonium hydroxide: ≤ 0.1 %

Corresponds to ACS,ISO,Reag. Ph Eur

Other Notes

Replaces: FX0260-1

Legal Information

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