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Merck
CN

1.03861

Iron(II) chloride tetrahydrate

for analysis EMSURE®

Synonym(s):

Iron(II) chloride tetrahydrate, Iron dichloride

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About This Item

Empirical Formula (Hill Notation):
Cl2Fe · 4H2O
CAS Number:
Molecular Weight:
198.81
UNSPSC Code:
12352302
EC Index Number:
231-843-4
NACRES:
NA.21
MDL number:
Assay:
≥98.0% (manganometric)
Form:
solid
Solubility:
1600 g/L
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Quality Level

product line

EMSURE®

assay

≥98.0% (manganometric)

form

solid

potency

450 mg/kg LD50, oral (Rat)

impurities

≤0.05% Substances not precipitated by ammonia (as sulfates)

pH

2.5 (20 °C, 100 g/L in H2O)

mp

105-110 °C (Elimination of water of crystallisation)

solubility

1600 g/L

density

1.93 g/cm3 at 20 °C

bulk density

900 kg/m3

anion traces

sulfate (SO42-): ≤0.01%

cation traces

As: ≤0.0005%, Cu: ≤0.002%, Mn: ≤0.005%, N: ≤0.001%, Pb: ≤0.001%, Zn: ≤0.003%

storage temp.

15-25°C

SMILES string

[Fe](Cl)Cl.O.O.O.O

InChI

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

InChI key

WSSMOXHYUFMBLS-UHFFFAOYSA-L

Analysis Note

Assay (manganometric): ≥ 98.0 %
Sulfate (SO₄): ≤ 0.01 %
Total nitrogen (N): ≤ 0.001 %
As (Arsenic): ≤ 0.0005 %
Cu (Copper): ≤ 0.002 %
Mn (Manganese): ≤ 0.005 %
Pb (Lead): ≤ 0.001 %
Zn (Zinc): ≤ 0.003 %
Substances not precipitated by ammonia (as sulfates): ≤ 0.05 %

Other Notes

Replaces: FX0250; FX0250-2

Legal Information

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


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hcodes

pictograms

CorrosionExclamation mark

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

does not flash

flash_point_c

does not flash



Certificates of Analysis (COA)

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Global Trade Item Number

SKUGTIN
103861025004022536044415
103861100004022536044422
103861905004022536044439