762873

Sigma-Aldrich

Chromium(II) chloride

AnhydroBeads, −10 mesh, 99.99% trace metals basis

Synonym(s):
Chromium dichloride, Chromous chloride
Linear Formula:
CrCl2
CAS Number:
Molecular Weight:
122.90
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23
Pricing and availability is not currently available.

product line

AnhydroBeads

assay

99.99% trace metals basis

particle size

−10 mesh

mp

824 °C (lit.)

density

2.9 g/mL at 25 °C (lit.)

SMILES string

ClCrCl

InChI

1S/2ClH.Cr/h2*1H;/q;;+2/p-2

InChI key

XBWRJSSJWDOUSJ-UHFFFAOYSA-L

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Application

The vapor-phase co-reductions with other metal halides by hydrogen results in finely divided intermetallics with applications as structural materials or compounds with useful thermoelectric, magnetic, and oxidation-resistance properties.
Anhydrous chromium chloride is an important precursor for the low temperature synthesis of anhydrous metal sulfides, nitrides, phosphides, etc. It is also an important precursor for the synthesis of chromium containing mixed metal complexes; example lithium chromium chloride (Li2CrCl4), which shows rapid lithium ion conduction.

Anhydrous chromium chloride finds applications as catalysts, chromizing ferrous metals, steel, etc. The vapor-phase co-reductions with other metal halides by hydrogen results in finely divided intermetallics with applications as structural materials or compounds with useful thermoelectric, magnetic, and oxidation-resistance properties.

Chromium chloride powder is air and water sensitive. Beads have lower surface area and pour easily.

Packaging

5 g in ampule

Legal Information

AnhydroBeads is a trademark of Sigma-Aldrich Co. LLC

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Codes

Xn

Risk Statement

22-36/37/38

Safety Statement

26-36

RIDADR

UN 3077 9 / PGIII

WGK Germany

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis
Certificate of Origin
Martin, M. J.; et al.
Inorganic Chemistry, 27, 2804-2804 (1988)
Liliana Viciu et al.
Inorganic chemistry, 41(13), 3385-3388 (2002-06-25)
A new series of transition-metal oxyhalides (MCl)LaNb(2)O(7) (M = Cr, Mn, Fe, Co) have been prepared by a simple topochemical route. Layered perovskite hosts (ALaNb(2)O(7), A = Li, Na, K or Rb) were reacted with the corresponding anhydrous metal halides...
Zehui Zhang et al.
Bioresource technology, 102(4), 3970-3972 (2010-12-28)
Production of 5-hydroxymethylfurfural (HMF) from glucose was studied in ionic liquids in the presence of hydroxyapatite supported chromium chloride (Cr-HAP) using oil-bath heating and microwave irradiation (MI). Compared with oil-bath heating, the MI way obviously increased HMF yield and reduced...
R Ia Iskra et al.
Biomeditsinskaia khimiia, 58(4), 418-428 (2013-02-19)
The supplementation of a standart vivarium food with 200 mg/kg CrCl3 x 6H2O caused an increase in chromium content and a decrease in hydroperoxide and TBARS in most tissues examined. Also in all organs and tissues of rats the activity...
Zhongshun Yuan et al.
Carbohydrate research, 346(13), 2019-2023 (2011-07-09)
Efficient conversion of glucose to 5-hydroxymethyl furfural (5-HMF), a platform chemical for fuels and materials, was achieved using CrCl(2) or CrCl(3) as the catalysts with inexpensive co-catalysts and solvents including halide salts in dimethyl sulfoxide (DMSO) and several ionic liquids....

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