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450782

Sigma-Aldrich

Chromium(II) chloride

anhydrous, powder, 99.99% trace metals basis

Synonym(s):

Chromium dichloride, Chromous chloride

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About This Item

Linear Formula:
CrCl2
CAS Number:
Molecular Weight:
122.90
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.23

grade

anhydrous

Quality Level

Assay

99.99% trace metals basis

form

powder

impurities

≤150.0 ppm Trace Metal Analysis

mp

824 °C (lit.)

density

2.9 g/mL at 25 °C (lit.)

SMILES string

Cl[Cr]Cl

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.
Mediates the condensation of the aldehydes with trisubstituted chloroalkenes. Used in the synthesis of a highly active precatalyst for ethylene oligimerization.
Used to make bis(indenyl)chromium dimer and related products.
Used with iodoform and tetraethyl ethylenediamine to convert terminal olefins into trans-iodocyclopropanes in excellent yields.

accessory

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Description
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Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Acute Tox. 4 Oral

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Small, B.L., et al.
Macromolecules, 37, 4375-4375 (2004)
Journal of Organometallic Chemistry, 692, 520-520 (2007)
Falck, J.R., et al.
Tetrahedron Letters, 45, 3039-3039 (2004)
Heinemann, O. et al.
Organometallics, 15, 5462-5462 (1996)
Chan-Won Kim et al.
The Journal of nutritional biochemistry, 22(11), 1030-1034 (2011-01-11)
Excessive body weight is inversely associated with insulin sensitivity in children and adults. Chromium supplementation produces modest improvement in insulin sensitivity in adults. The aim of this study was to examine the beneficial effects of chromium supplementation on insulin sensitivity

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