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Iron(II) chloride  (Synonyms: Ferrofloc)

Cat. No.: HY-W019888 Purity: 99.99%
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Iron (II) chloride (Ferrofloc) is an active radical polymerization initiator, which is a transition metal chloride composed of Fe2+ and Cl− ions. The ion association constant logKFeCl2 of Iron (II) chloride is −0.89. In acidic aqueous solutions, Iron (II) chloride forms solvated Fe2++2Cl− ions as well as FeCl++Cl− ion pairs. Without the addition of aluminum compounds, Iron (II) chloride drives the living radical polymerization of methyl methacrylate by generating transient radical growing species through homolytic reversible cleavage of the carbon-halogen end groups of organic halide initiators.

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Iron(II) chloride

Iron(II) chloride Chemical Structure

CAS No. : 7758-94-3

Size Price Stock Quantity
Solid + Solvent (Highly Recommended)
10 mM * 1 mL in DMSO
ready for reconstitution
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Description

Iron (II) chloride (Ferrofloc) is an active radical polymerization initiator, which is a transition metal chloride composed of Fe2+ and Cl− ions. The ion association constant logKFeCl2 of Iron (II) chloride is −0.89. In acidic aqueous solutions, Iron (II) chloride forms solvated Fe2++2Cl− ions as well as FeCl++Cl− ion pairs. Without the addition of aluminum compounds, Iron (II) chloride drives the living radical polymerization of methyl methacrylate by generating transient radical growing species through homolytic reversible cleavage of the carbon-halogen end groups of organic halide initiators[1][2].

Molecular Weight

126.75

Formula

FeCl2
CAS No.
Appearance

Solid

SMILES

Cl[Fe]Cl
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

4°C, stored under nitrogen

*In solvent : -80°C, 6 months; -20°C, 1 month (stored under nitrogen)

Solvent & Solubility
In Vitro: 

DMSO : 50 mg/mL (394.48 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 7.8895 mL 39.4477 mL 78.8955 mL
5 mM 1.5779 mL 7.8895 mL 15.7791 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (stored under nitrogen). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

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Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

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Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

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In Vivo Dissolution Calculator
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Working solution concentration: mg/mL
Purity & Documentation

Purity: 99.99%

SDS (614 KB)

COA (313 KB)

Handling Instructions (2659 KB)
References

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (stored under nitrogen). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 7.8895 mL 39.4477 mL 78.8955 mL 197.2387 mL
5 mM 1.5779 mL 7.8895 mL 15.7791 mL 39.4477 mL
10 mM 0.7890 mL 3.9448 mL 7.8895 mL 19.7239 mL
15 mM 0.5260 mL 2.6298 mL 5.2597 mL 13.1492 mL
20 mM 0.3945 mL 1.9724 mL 3.9448 mL 9.8619 mL
25 mM 0.3156 mL 1.5779 mL 3.1558 mL 7.8895 mL
30 mM 0.2630 mL 1.3149 mL 2.6298 mL 6.5746 mL
40 mM 0.1972 mL 0.9862 mL 1.9724 mL 4.9310 mL
50 mM 0.1578 mL 0.7890 mL 1.5779 mL 3.9448 mL
60 mM 0.1315 mL 0.6575 mL 1.3149 mL 3.2873 mL
80 mM 0.0986 mL 0.4931 mL 0.9862 mL 2.4655 mL
100 mM 0.0789 mL 0.3945 mL 0.7890 mL 1.9724 mL
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Iron(II) chloride Related Classifications

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Keywords:

Iron(II)7758-94-3FerroflocEnvironmental PollutantsEnvironmental ContaminantsCl -organic halide initiatorcarbon-halogen terminalsTHz/FIR absorption spectroscopymethyl methacrylatecontact ion pairliving radical polymerizationFe 2+FeCl +transition metal chloride salt
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