CAS 7758-94-3 Iron(II) chloride - Materials / Alfa Chemistry

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Iron(II) chloride

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Catalog Number

ACM7758943

CAS Number

7758-94-3

Product Name

Iron(II) chloride

Structure

Category

Electrolytes

Synonyms

Ferrous chloride
Iron(II) chloride
7758-94-3
Dichloroiron
FeCl2
Iron(2+) chloride
Iron (II) chloride
Iron(II)chloridetetrahydrate
Iron(II) chloride, anhydrous
Ferrous dichloride
Iron protochloride
Iron chloride (FeCl2)
Iron(II) chloride (1:2)
Fe(II) chloride
iron (11) chloride

Description

Iron(II) chloride, also known as ferrous chloride, is the chemical compound of formula FeCl2. It is a paramagnetic solid with a high melting point. The compound is white, but typical samples are often off-white.

IUPAC Name

Dichloroiron

Molecular Weight

126.75

Molecular Formula

FeCl2

Canonical SMILES

Cl[Fe]Cl

InChI

InChI=1S/2ClH.Fe/h2*1H;/q;+2/p-2

InChI Key

NMCUIPGRVMDVDB-UHFFFAOYSA-L

Boiling Point

1023 °C

Melting Point

677 °C

Flash Point

1023ºC

Purity

99%+

Density

3.16 g/mL at 25 °C (lit.)

Solubility

Soluble in water, alcohol and acetone

Appearance

Greenish white crystalline solid

Application

Ferrous chloride (FeCl2) is used in pharmaceutical preparations, for sewage treatment, and as a mordant (which fixes dyes so that they will not run) in textiles.Aside from use in the laboratory synthesis of iron complexes, ferrous chloride serves as a coagulation and flocculation agent in wastewater treatment, especially for wastes containing chromate or sulfides.It is used for odor control in wastewater treatment. It is used as a precursor to make various grades of hematite that can be used in a variety of pigments. It is the precursor to hydrated iron(III) oxides that are magnetic pigments. FeCl2 finds some use as a reagent in organic synthesis.

Complexity

2.8

Covalently-Bonded Unit Count

Defined Atom Stereocenter Count

Defined Bond Stereocenter Count

Exact Mass

125.872641

Formal Charge

Hazard Statements

C:Corrosive

Heavy Atom Count

Hydrogen Bond Acceptor Count

Hydrogen Bond Donor Count

Isotope Atom Count

Monoisotopic Mass

125.872641

Odor

Odorless

Rotatable Bond Count

Safety Description

S26-S36/37/39-S45

Topological Polar Surface Area

0 Å²

Undefined Atom Stereocenter Count

Undefined Bond Stereocenter Count

MSDS

Download MSDS

COA

Download COA

Spec Sheet

Download Spec Sheet

Case Study

Preparation of Iron-Diphosphine Complexes from Iron(II) Chloride for Catalytic Suzuki-Miyaura Coupling

Hatakeyama, Takuji, et al. Journal of the American Chemical Society, 2010, 132.31, 10674-10676.

The transition-metal-catalyzed cross-coupling reaction of organoboron compounds, known as Suzuki-Miyaura coupling, is one of the most prevalent organic synthetic reactions for the production of functional molecules, such as drug intermediates and organic electronic materials. In the presence of iron(II) chloride-diphosphine complexes and magnesium bromide, lithium arylborates react with primary and secondary alkyl halides to give the corresponding coupling products in good to excellent yields.
Iron(II) chloride-diphosphine complexes
· The iron(II) chloride-diphosphine complexes bear one o-phenylene-tethered diphosphine ligand possessing bulky substituents at the 3 and 5 positions of the diphenylphoshino groups.
· The bulky substituents were expected to introduce peripheral steric bulk around the iron center, preventing the formation of coordinatively saturated octahedral iron complexes.

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