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Merck

310700

Manganese(IV) oxide

10 μm, reagent grade, ≥90%

Synonym(s):

Manganese dioxide

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About This Item

Empirical Formula (Hill Notation):
MnO2
CAS Number:
1313-13-9
Molecular Weight:
86.94
NACRES:
NA.55
PubChem Substance ID:
329753639
UNSPSC Code:
12352303
EC Number:
215-202-6
MDL number:
MFCD00003463
Assay:
≥90%
Grade:
reagent grade
Form:
powder

Key Documents

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InChI key

NUJOXMJBOLGQSY-UHFFFAOYSA-N

InChI

1S/Mn.2O

SMILES string

O=[Mn]=O

grade

reagent grade

assay

≥90%

form

powder

particle size

10 μm

mp

535 °C (dec.) (lit.)

Quality Level

200

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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
GHS08,GHS07

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

WGK 2

flash_point_f

does not flash

flash_point_c

does not flash

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Class I Designated Chemical Substances

prtr

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

310700-500G:4548173936673 + 310700-VAR: + 310700-2.5KG:4548173936666 + 310700-BULK:

jan

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Manganese dioxide
Cahiez G, et al.
e-EROS Encyclopedia of Reagents for Organic Synthesis (2001)
Wen-Hui Kuan et al.
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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