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Merck
CN

44970

Iron(II) sulfate heptahydrate

puriss. p.a., ACS reagent

Synonym(s):

Ferrous sulfate heptahydrate

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About This Item

Linear Formula:
FeSO4 · 7H2O
CAS Number:
Molecular Weight:
278.01
UNSPSC Code:
12352300
PubChem Substance ID:
EC Number:
231-753-5
MDL number:
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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, puriss. p.a.

vapor pressure

14.6 mmHg ( 25 °C)

shelf life

~2 yr

impurities

≤0.001% total nitrogen (N)

pH

3.0-4.0 (25 °C, 50 mg/mL in H2O)

density

1.898 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤10 mg/kg, phosphate (PO43-): ≤10 mg/kg

cation traces

As: ≤2 mg/kg, Ca: ≤20 mg/kg, Cd: ≤5 mg/kg, Co: ≤50 mg/kg, Cr: ≤20 mg/kg, Cu: ≤10 mg/kg, Fe3+: ≤500 mg/kg, K: ≤50 mg/kg, Mg: ≤50 mg/kg, Mn: ≤500 mg/kg, Na: ≤50 mg/kg, Ni: ≤50 mg/kg, Pb: ≤5 mg/kg, Zn: ≤10 mg/kg

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Warning

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Walter J Lukiw et al.
Journal of Alzheimer's disease & Parkinsonism, Suppl 2, 001-001 (2012-01-25)
The cellular generation of reactive oxygen species (ROS) has been implicated in contributing to the pathology of human neurological disorders including Alzheimer's disease (AD) and Parkinson's disease (PD). To further understand the triggering and participation of ROS-generating species to pro-inflammatory
Aileen I Pogue et al.
Journal of inorganic biochemistry, 105(11), 1434-1437 (2011-11-22)
Micro RNAs (miRNAs) constitute a unique class of small, non-coding ribonucleic acids (RNAs) that regulate gene expression at the post-transcriptional level. The presence of two inducible miRNAs, miRNA-125b and miRNA-146a, involved in respectively, astroglial cell proliferation and in the innate
Thermal analysis of iron (II) sulphate heptahydrate in air. V: Thermal decomposition of hydroxy and oxysulphates.
Swamy M and Prasad T.
Journal of Thermal Analysis and Calorimetry, 20(1), 107-114 (1981)
Thermal analysis of iron (II) sulphate heptahydrate in air: III. Thermal decomposition of intermediate hydrates.
Swami MSR and Prasad TP.
Journal of Thermal Analysis and Calorimetry, 19(2), 297-304 (1980)
Xiao-Kui Ma et al.
Carbohydrate polymers, 92(2), 1188-1196 (2013-02-13)
The influence of several components on exopolysaccharide (EPS) production and antioxidative activity (TEAC, Trolox-Equivalent Antioxidant Capacity) as well as their effects on the morphological development and cell viability of Phellinus sp. P0988 was determined. Rutin, FeSO(4), Tween 80 and complex

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