Iron(II) sulfate heptahydrate

Product Name

Iron(II) sulfate heptahydrate, ACS reagent, ≥99.0%

InChI key

SURQXAFEQWPFPV-UHFFFAOYSA-L

InChI

1S/Fe.H2O4S.7H2O/c;1-5(2,3)4;;;;;;;/h;(H2,1,2,3,4);7*1H2/q+2;;;;;;;;/p-2

SMILES string

O.O.O.O.O.O.O.[Fe++].[O-]S([O-])(=O)=O

grade

ACS reagent

vapor pressure

14.6 mmHg ( 25 °C)

assay

≥99.0%

form

powder or crystals

reaction suitability

reagent type: catalyst
core: iron

greener alternative product characteristics

Catalysis
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sustainability

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impurities

≤0.01% insolubles
≤0.05% Substances not pptd by NH₄OH

pH

3-4 (25 °C, 50 g/L)

density

1.898 g/mL at 25 °C (lit.)

anion traces

chloride (Cl^-): ≤0.001%
phosphate (PO₄^3-): ≤0.001%

cation traces

Cu: ≤0.005%
Fe³⁺: ≤0.1%
Mn: ≤0.05%
Zn: ≤0.005%

greener alternative category

Aligned

Quality Level

200