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Merck
CN

310700

Sigma-Aldrich

二氧化锰

10 μm, reagent grade, ≥90%

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别名:
二氧化锰
经验公式(希尔记法):
MnO2
CAS号:
分子量:
86.94
EC 号:
MDL编号:
UNSPSC代码:
12352303
PubChem化学物质编号:
NACRES:
NA.55

等级

reagent grade

质量水平

检测方案

≥90%

形式

powder

粒径

10 μm

mp

535 °C (dec.) (lit.)

SMILES字符串

O=[Mn]=O

InChI

1S/Mn.2O

InChI key

NUJOXMJBOLGQSY-UHFFFAOYSA-N

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一般描述

氧化锰(IV)是一种氧化试剂,可用于将丙炔醇、苯基或杂环醇、饱和醇、1,2-二醇、烯丙醇氧化为 α, β-乙烯醛或酮,并将胺氧化为醛、亚胺、酰胺和重氮化合物。它也可用于将烯丙醇转化成 α, β乙烯酯或酰胺,将腈水转化成酰胺,也可用于脱氢和芳构化反应

应用


  • 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).


象形图

Health hazardExclamation mark

警示用语:

Warning

危险声明

危险分类

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

靶器官

Brain

WGK

WGK 2

闪点(°F)

does not flash

闪点(°C)

does not flash


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

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