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MilliporeSigma

310700

Sigma-Aldrich

Manganese(IV) oxide

10 μm, reagent grade, ≥90%

Sinónimos:

Manganese dioxide

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About This Item

Fórmula empírica (notación de Hill):
MnO2
Número de CAS:
Peso molecular:
86.94
EC Number:
MDL number:
UNSPSC Code:
12352303
PubChem Substance ID:
NACRES:
NA.55
assay:
≥90%
grade:
reagent grade
form:
powder

grade

reagent grade

Quality Level

assay

≥90%

form

powder

particle size

10 μm

mp

535 °C (dec.) (lit.)

SMILES string

O=[Mn]=O

InChI

1S/Mn.2O

InChI key

NUJOXMJBOLGQSY-UHFFFAOYSA-N

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General description

Manganese(IV) oxide is an oxidizing reagent that can be used for the oxidation of propargylic alcohols, benzylic or heterocyclic alcohols, saturated alcohols, 1,2-diols, allylic alcohols to α, β-ethylenic aldehydes or ketones, and amines to aldehydes, imines, amides, and diazo compounds. It can also be used for the conversion of allylic alcohols to α, β-ethylenic esters or amides, hydration of nitriles to amides, dehydrogenation and aromatization reactions.

Application


  • High-oxidation-state 3d metal complexes: Explores the catalytic properties of manganese(IV) oxide within high-oxidation-state complexes for advanced organic synthesis, demonstrating its critical role in accelerating chemical reactions and enhancing yield efficiencies, beneficial for pharmaceutical and chemical industries (Cheng J et al., 2018).


  • Synthesis and properties of manganese complexes: Details the synthesis of new manganese complexes that demonstrate unique redox properties, useful for understanding electron transfer processes in various chemical and environmental contexts (Baffert C et al., 2002).


pictograms

Health hazardExclamation mark

signalword

Warning

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - STOT RE 2 Inhalation

target_organs

Brain

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 2

flash_point_f

does not flash

flash_point_c

does not flash


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Journal of hazardous materials, 239-240, 152-159 (2012-09-25)
This study examined the reaction of methylene blue (MB) with tunneled manganese oxide pyrolusite regarding pH and reaction time. MB was cleaved through N-demethylation, in which reaction azure B (AB), azure A (AA), azure C (AC), and thionin (TH) were
Heng Lai et al.
ACS applied materials & interfaces, 4(5), 2325-2328 (2012-05-02)
MnO(2) nanoflakes coated on carbon nanohorns (CNHs) has been synthesized via a facile solution method and evaluated as anode for lithium-ion batteries. By using CNHs as buffer carrier, MnO(2)/CNH composite displays an excellent capacity of 565 mA h/g measured at
Xihong Lu et al.
Advanced materials (Deerfield Beach, Fla.), 24(7), 938-944 (2012-03-10)
WO3–x@Au@MnO2 core–shell nanowires (NWs) are synthesized on a flexible carbon fabric and show outstanding electrochemical performance in supercapacitors such as high specific capacitance, good cyclic stability, high energy density, and high power density. These results suggest that the WO3–x@Au@MnO2 NWs
Y Wang et al.
Journal of colloid and interface science, 380(1), 8-15 (2012-06-02)
Bio-inspired chemical approach has been developed for the surface modification and electrophoretic deposition of manganese dioxide and zirconia nanoparticles, prepared by chemical precipitation methods. Caffeic acid, trans-cinnamic acid, p-coumaric acid, and 2,4-dihydroxycinnamic acid were investigated for the surface modification of

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