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Sigma-Aldrich

Iron(II) chloride tetrahydrate

SAJ first grade, 98.0-102.0%

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:
329750727

grade

SAJ first grade

vapor pressure

10 mmHg ( 693 °C)

assay

98.0-102.0%

form

fine crystals

reaction suitability

reagent type: catalyst
core: iron

availability

available only in Japan

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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pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

hcodes

H302,H318

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk_germany

WGK 1

flash_point_f

does not flash

flash_point_c

does not flash

ppe

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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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.
Sofia Tresintsi et al.
Water research, 46(16), 5255-5267 (2012-07-25)
Various iron oxy-hydroxides were synthesized in a continuous flow kilogram-scale production reactor through the precipitation of FeSO(4) and FeCl(2) in the pH range 3-12 under intense oxidative conditions to serve as arsenic adsorbents. The selection of the optimum adsorbent and
Qinqin Xia et al.
The Journal of organic chemistry, 77(20), 9366-9373 (2012-10-03)
Iron-catalyzed direct C-N bond formation between azoles and amides is described. The oxidative coupling reactions of sp(3) C-H bonds adjacent to a nitrogen atom in amides and sulfonamides with the N-H bond in azoles proceeded smoothly in the presence of
Ju-Suk An et al.
Environmental technology, 35(13-16), 1668-1675 (2014-06-25)
The precipitation reaction between the orthophosphate and Fe2+ ions was studied to describe the optimum condition for the removal of orthophosphate from the aqueous solution. The effects of pH, Fe:P molar ratio, and alkalinity were evaluated for the initial orthophosphate
Jiangfei Meng et al.
Journal of food science, 77(1), C8-14 (2011-12-21)
Wines made from 3 spine grape (Vitis davidii Foex) genotypes-Junzi 1# (JZ 1#), Junzi 2# (JZ 2#), and Liantang (LT)-and Cherokee rose (Rosa laevigata Michx., CR) were evaluated for their phenolics composition and antioxidant activities by several assays, including 2,2'-azino-bis-(3-ethylbenzothiazoline-6-sulfonic
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