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12353

Sigma-Aldrich

Iron(II) sulfate hydrate

puriss., meets analytical specification of Ph. Eur., BP, exsiccated, 86.0-89.0% FeSO4 basis

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About This Item

Linear Formula:
FeSO4 · aq
CAS Number:
Molecular Weight:
151.91 (anhydrous basis)
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:

grade

puriss.

Quality Level

assay

86.0-89.0% FeSO4 basis

form

solid

quality

exsiccated
meets analytical specification of Ph. Eur., BP

shelf life

Shelf life is limited

reaction suitability

core: iron
reagent type: catalyst

impurities

residual solvents, complies
≤0.005% heavy metals (as Pb)
≤0.05% insoluble matter

pH

3.0-4.0 (20 °C, 5%)

anion traces

chloride (Cl-): ≤300 mg/kg

cation traces

As: ≤2 mg/kg
Ca: ≤200 mg/kg
Cr: ≤100 mg/kg
Cu: ≤20 mg/kg
Fe3+: ≤4000 mg/kg
Hg: ≤1 mg/kg
K: ≤100 mg/kg
Mg: ≤100 mg/kg
Mn: ≤1000 mg/kg
Na: ≤200 mg/kg
Ni: ≤100 mg/kg
Pb: ≤2 mg/kg
Zn: ≤50 mg/kg

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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Packaging

bottled under inert gas

Caution

tends to oxidation by air

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

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

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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