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220299

Sigma-Aldrich

Iron(II) chloride tetrahydrate

ReagentPlus®, 98%

Synonym(s):

Ferrous chloride tetrahydrate

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About This Item

Linear Formula:
FeCl2 · 4H2O
CAS Number:
13478-10-9
Molecular Weight:
198.81
EC Number:
231-843-4
MDL number:
MFCD00149709
UNSPSC Code:
12352302
PubChem Substance ID:
329752236
NACRES:
NA.21

vapor pressure

10 mmHg ( 693 °C)

Quality Level

200

product line

ReagentPlus®

Assay

98%

form

powder, crystals or chunks

pH

2.5 (20 °C, 100 g/L)

SMILES string

O.O.O.O.Cl[Fe]Cl

InChI

1S/2ClH.Fe.4H2O/h2*1H;;4*1H2/q;;+2;;;;/p-2

InChI key

WSSMOXHYUFMBLS-UHFFFAOYSA-L

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Application

A variety of organically templated iron phosphates, of interest because of their rich crystal chemistry and their ability to absorb large molecules in their micropores,were prepared using this compound.

Legal Information

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

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H302,H318

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1

Storage Class Code

8B - Non-combustible corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

does not flash

Flash Point(C)

does not flash

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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Chromium removal by combining the magnetic properties of iron oxide with adsorption properties of carbon nanotubes.
Gupta VK, et al.
Water Research, 45(6), 2207-2212 (2011)
The crystal structure of iron (II) chloride tetrahydrate.
Penfold BR and Grigor JA.
Acta Crystallographica, 12(11), 850854-850854 (1959)
Preparation and characterization of magnetic chitosan nanospheres.
Hritcu D, et al.
Turkish Journal of Chemistry, 33, 785-796 (2009)
Lii, K-H. et al.
Chemistry of Materials, 10, 2599-2599 (1998)
Angéla Hajdú et al.
Colloids and surfaces. B, Biointerfaces, 94, 242-249 (2012-03-01)
Magnetite nanoparticles (MNPs) were prepared by alkaline hydrolysis of Fe(II) and Fe(III) chlorides. Adsorption of polyacrylic acid (PAA) on MNPs was measured at pH=6.5±0.3 and I=0.01 M (NaCl) to find the optimal PAA amount for MNP stabilization under physiological conditions.
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