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M3634

Sigma-Aldrich

Manganese(II) chloride tetrahydrate

ReagentPlus®, ≥99%

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About This Item

Linear Formula:
MnCl2 · 4H2O
CAS Number:
13446-34-9
Molecular Weight:
197.91
EC Number:
231-869-6
MDL number:
MFCD00149792
UNSPSC Code:
12352302
PubChem Substance ID:
329817977
NACRES:
NA.21
Assay:
≥99%
form:
powder
Pricing and availability is not currently available.

Quality Level

200

product line

ReagentPlus®

Assay

≥99%

form

powder

pH

3.5-6 (25 °C, 50 g/L)

mp

58 °C (lit.)

SMILES string

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

InChI key

CNFDGXZLMLFIJV-UHFFFAOYSA-L

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General description

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.

Legal Information

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

Signal Word

Danger

Hazard Statements

H301,H318,H373

Hazard Classifications

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

Target Organs

Brain

Storage Class Code

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

WGK

WGK 2

Flash Point(F)

does not flash

Flash Point(C)

does not flash

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Certificates of Analysis (COA)

Lot/Batch Number
WXBF4965V
WXBF3488V
WXBF3989V
WXBF2969V
WXBF1659V

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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
A G Kanthasamy et al.
Toxicology letters, 214(3), 288-295 (2012-09-22)
The role of normal cellular prion protein (PrP) remains to be fully elucidated; however, the protein is crucial for the infection and progression of prion diseases. Recent evidence indicates that PrP is a metalloprotein since the octapeptide repeat sequences in
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Questions

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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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