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M3634

Sigma-Aldrich

Manganese(II) chloride tetrahydrate

ReagentPlus®, ≥99%

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About This Item

Formule linéaire :
MnCl2 · 4H2O
Numéro CAS:
13446-34-9
Poids moléculaire :
197.91
Numéro CE :
231-869-6
Numéro MDL:
MFCD00149792
Code UNSPSC :
12352302
ID de substance PubChem :
329817977
Nomenclature NACRES :
NA.21

Niveau de qualité

200

Gamme de produits

ReagentPlus®

Pureté

≥99%

Forme

powder

pH

3.5-6 (25 °C, 50 g/L)

Pf

58 °C (lit.)

Chaîne SMILES 

Cl[Mn]Cl.[H]O[H].[H]O[H].[H]O[H].[H]O[H]

InChI

1S/2ClH.Mn.4H2O/h2*1H;;4*1H2/q;;+2;;;;/p-2

Clé InChI

CNFDGXZLMLFIJV-UHFFFAOYSA-L

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Description générale

Manganese(II) chloride tetrahydrate is the tetrahydrate form of manganese(II) chloride. It is used in the preparation of manganese-based hybrid compounds.

Application

Manganese(II) chloride tetrahydrate can be used:      
  • As a promoter to synthesize dihydropyrimidin-2(1H)-ones by the condensation of aldehyde, β-dicarbonyl compounds, and urea under microwave conditions.      
  • As a catalyst to synthesize dihydro-2-oxypyrrole derivatives via one-pot four-component domino condensation of dialkyl acetylenedicarboxylate, formaldehyde, and amines.     
  • To synthesize active manganese oxide with potential application as an oxidant in organic synthesis.

Informations légales

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictogrammes

Skull and crossbonesHealth hazardCorrosion
GHS06,GHS08,GHS05

Mention d'avertissement

Danger

Mentions de danger

H301,H318,H373

Classification des risques

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

Organes cibles

Brain

Code de la classe de stockage

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

Classe de danger pour l'eau (WGK)

WGK 2

Point d'éclair (°F)

does not flash

Point d'éclair (°C)

does not flash

Certificats d'analyse (COA)

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Seong-Uk Jin et al.
Magnetic resonance imaging, 31(7), 1143-1149 (2013-05-11)
The cochlear plays a vital role in the sense and sensitivity of hearing; however, there is currently a lack of knowledge regarding the relationships between mechanical transduction of sound at different intensities and frequencies in the cochlear and the neurochemical
Lisha Luo et al.
NMR in biomedicine, 25(12), 1360-1368 (2012-05-11)
The aim of this study was to provide data on the dose dependence of manganese-enhanced MRI (MEMRI) in the visual pathway of experimental rats and to study the toxicity of MnCl₂ to the retina. Sprague-Dawley rats were intravitreally injected with
Anne Bertrand et al.
NeuroImage, 64, 693-702 (2012-09-11)
The impairment of axonal transport by overexpression or hyperphosphorylation of tau is well documented for in vitro conditions; however, only a few studies on this phenomenon have been conducted in vivo, using invasive procedures, and with contradictory results. Here we
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
Tameshwar Ganesh et al.
Journal of magnetic resonance imaging : JMRI, 41(3), 806-813 (2014-03-05)
To investigate the potential of manganese (Mn)-enhanced MRI for sensitive detection and delineation of tumors that demonstrate little enhancement on Gd-DTPA. Eighteen nude rats bearing 1 to 2 cm in diameter orthotopic breast tumors (ZR75 and LM2) were imaged on
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