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Key Documents

328146

Sigma-Aldrich

Manganese(II) chloride

beads, 98%

Synonyma:

Manganese dichloride, Sacchite

Přihlásitk zobrazení cen stanovených pro organizaci a smluvních cen


About This Item

Lineární vzorec:
MnCl2
Číslo CAS:
Molekulová hmotnost:
125.84
MDL number:
UNSPSC Code:
12161600
PubChem Substance ID:
NACRES:
NA.22

assay

98%

form

beads

reaction suitability

core: manganese
reagent type: catalyst

mp

652 °C (lit.)

density

2.98 g/mL at 25 °C (lit.)

SMILES string

Cl[Mn]Cl

InChI

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

InChI key

GLFNIEUTAYBVOC-UHFFFAOYSA-L

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Application

A novel high-spin hexanuclear Mn(III) cluster, [NaMn6(OMe)12(dbm)6]+, was synthesized via MnCl2 oxidation with simultaneous NaOMe promoted aggregation. This cluster has an unprecedented cyclic structure and 24 unpaired electrons in its ground state. Also used in the formation of an active Mn(0) speciesuseful for radical cyclization reactions.
Starting material for preparation of organomanganese chloride reagents; catalyst for reduction of vinyl and aryl halides, stereoselective coupling of vinyl iodides, and alkylation of enol triflates; also used for Mn-Cu-catalyzed conjugate addition of RMgX to enones and for Mn-catalyzed acylation of RMgX by acyl chlorides; in combination with NaBH4 is diastereoselective reducing agent; starting material for the preparation of Mn enolates regio- and stereo-selectively.

signalword

Danger

Hazard Classifications

Acute Tox. 3 Oral - Eye Dam. 1 - STOT RE 2

target_organs

Brain

Storage Class

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves


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Navštívit knihovnu dokumentů

Abbati, G.L. et al.
Inorganic Chemistry, 37, 1430-1430 (1998)
Tang, J. et al.
Tetrahedron, 55, 1893-1893 (1999)
Geoffrey J Topping et al.
Medical physics, 40(4), 042502-042502 (2013-04-06)
Manganese(II) is employed as a contrast agent with magnetic resonance imaging (MRI) for study of neuronal activation in rats and mice. However, at the concentrations required for MRI, Mn may induce pharmacological or toxic effects. Positron emission tomography (PET) imaging
Jerome A Roth et al.
Neurotoxicology, 35, 121-128 (2013-01-15)
Chronic exposure to Mn results in the development of a neurological disorder known as manganism characterized by neurological deficits resembling that seen in Parkinsonism. Although dopaminergic neurons within the nigrostriatal pathway appear intact, Mn-induced irregularities in DA transmission have been
Marta Sidoryk-Wegrzynowicz et al.
Journal of neurochemistry, 122(4), 856-867 (2012-06-20)
Manganese (Mn) has been implicated in the impairment of the glutamate-glutamine cycling (GGC) by deregulation of Glu and glutamine (Gln) turnover in astrocytes. Here, we have examined possible mechanisms involved in the Mn(II)-mediated disruption of Glu turnover, including those related

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