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M3634

Sigma-Aldrich

Manganese(II) chloride tetrahydrate

ReagentPlus®, ≥99%

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Linear Formula:
MnCl2 · 4H2O
CAS Number:
Molecular Weight:
197.91
EC Number:
MDL number:
PubChem Substance ID:

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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This Item
M5005221279M8054
Manganese(II) chloride tetrahydrate BioReagent, suitable for insect cell culture

Sigma-Aldrich

M5005

Manganese(II) chloride tetrahydrate

Essential+ Grade
Manganese(II) chloride tetrahydrate ACS reagent, ≥98%

Sigma-Aldrich

221279

Manganese(II) chloride tetrahydrate

Essential Grade
form

powder

form

-

form

crystals

form

flakes

pH

3.5-6 (25 °C, 50 g/L)

pH

-

pH

3.5-6.0 (25 °C, 5%)

pH

-

mp

58 °C (lit.)

mp

58 °C (lit.)

mp

58 °C (lit.)

mp

58 °C (lit.)

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

300

product line

ReagentPlus®

product line

BioReagent

product line

-

product line

-

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

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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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
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