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Sigma-Aldrich

Iron(II) sulfate hydrate

99.999% trace metals basis

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Synonym(s):
Sulfuric acid, iron(II) salt (1:1), hydrate
Linear Formula:
FeSO4 · xH2O
CAS Number:
Molecular Weight:
151.91 (anhydrous basis)
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

Quality Level

Assay

99.999% trace metals basis

form

solid

impurities

≤15.0 ppm Trace Metal Analysis

density

1.9 g/mL at 25 °C (lit.)

application(s)

battery manufacturing

SMILES string

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

InChI

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

InChI key

XBDUTCVQJHJTQZ-UHFFFAOYSA-L

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1 of 4

This Item
469130344427202924
form

solid

form

crystalline

form

powder

form

powder and chunks

impurities

≤15.0 ppm Trace Metal Analysis

impurities

≤0.001% N compounds, ≤0.005% insolubles, <50 ppm total metallic impurities

impurities

-

impurities

≤50.0 ppm Trace Metal Analysis

density

1.9 g/mL at 25 °C (lit.)

density

-

density

-

density

-

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

200

application(s)

battery manufacturing

application(s)

battery manufacturing

application(s)

-

application(s)

-

Application

Iron(II) sulfate hydrate has been used to prepare ferrous ion solution to study the influence of iron ions on the thermal decomposition behaviour of hydroxylamine/water solutions.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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