217646
Manganese(IV) oxide
activated, ~85%, <10 μm
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:
12352302
PubChem Substance ID:
NACRES:
NA.21
assay:
~85%
form:
powder
Productos recomendados
Quality Level
assay
~85%
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 a low cost, low toxic and easy handling inorganic compound widely used as a mild oxidant in organic chemistry. It is mainly used for the selective oxidation of activated alcohols to form α, β-unsaturated aldehydes and ketones.
Application
Manganese (IV) oxide can be used as selective oxidizing agent:
- In conversion of allylic alcohols to α, β-ethylenic esters or amides.
- In oxidation of allylic alcohols to α,β-ethylenic aldehydes or ketones.
- In oxidation of propargylic alcohols, saturated alcohols and benzylic or heterocyclic alcohols.
- Manganese (IV) oxide can also be used:,In hydration of nitriles to amides.
signalword
Warning
hcodes
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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Self-assembly of 1:1:2 M
Water dispersible conducting nanocomposites of poly (N-vinylcarbazole), polypyrrole and polyaniline with nanodimensional manganese (IV) oxide.
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Synthetic Metals, 105(2), 99-105 (1999)
Synthesis, characterization, and supercapacitor studies of manganese (IV) oxide nanowires.
Yousefi T, et al.
Materials Science in Semiconductor Processing, 16(3), 868-876 (2013)
Mohammad Mahdi Najafpour
Dalton transactions (Cambridge, England : 2003), 40(15), 3805-3807 (2011-03-02)
A soluble form of colloidal manganese(IV) oxide showed efficient oxygen evolution or water oxidation in presence of oxone, H(2)O(2), cerium(IV) ammonium nitrate and tris(2,2'-bipyridyl)ruthenium(III).
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
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