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215880

Sigma-Aldrich

Manganese(III) acetate dihydrate

97%

Synonym(s):

Manganese triacetate dihydrate

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About This Item

Linear Formula:
(CH3COO)3Mn · 2H2O
CAS Number:
19513-05-4
Molecular Weight:
268.10
Beilstein:
3732626
EC Number:
213-602-5
MDL number:
MFCD00150022
UNSPSC Code:
12352103
PubChem Substance ID:
24852919
NACRES:
NA.23

Quality Level

100

Assay

97%

form

powder or chunks

reaction suitability

core: manganese

SMILES string

O.O.CC(=O)O[Mn](OC(C)=O)OC(C)=O

InChI

1S/3C2H4O2.Mn.2H2O/c3*1-2(3)4;;;/h3*1H3,(H,3,4);;2*1H2/q;;;+3;;/p-3

InChI key

ONJSLAKTVIZUQS-UHFFFAOYSA-K

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General description

Manganese(III) acetate dihydrate is a coordination compound of manganese in the +3 oxidation state, exhibiting moderate solubility in water and acetic acid. It is used as a precursor for synthesizing manganese oxides and other manganese-containing materials. These materials have applications in batteries, catalysis, and other energy-related technologies. Additionally, it is also used as a mild and selective oxidizing agent in organic synthesis.

Application

Manganese(III) acetate dihydrate can be used as:      
  • A precursor in the synthesis of manganese oxide (Mn3O4) nanostructures, which are employed as anode materials in lithium-ion batteries.
  • A manganese source in the sol-gel synthesis of Mn-doped ZnO thin films. The incorporation of manganese ions into the ZnO lattice is essential for modifying the electronic and optical properties of the films.
  • A precursor for the synthesis of manganese oxide nanoparticles using a sol-gel process. These nanoparticles are evaluated for their performance in supercapacitor applications.     
  • A mild and selective oxidizing agent. Catalyzes allylic oxidation of a variety of alkenes in the presence of tert-butylhydroperoxide. Reagent used for radical cyclizations and α-keto-acetoxylation.

Physical form

Crystallographic evidence suggests this material is an oxo-centered triangle of Mn(III) with bridging acetates having the molecular formula: Mn3O(OAc)9 · 6H2O.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000370383
0000354763
0000370383
0000354763
MKCV1841

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Chaoyun Ying et al.
Water research, 187, 116420-116420 (2020-09-26)
Manganese(IV) oxides, and more especially birnessite, rank among the most efficient metal oxides for As(III) oxidation and subsequent sorption, and thus for arsenic immobilization. Efficiency is limited however by the precipitation of low valence Mn (hydr)oxides at the birnessite surface
Ao Qian et al.
Environmental science & technology, 53(10), 5768-5777 (2019-04-12)
Dissolved Mn(III) species have recently been recognized as a significant form of Mn in redox transition zones, but their speciation, stability, and reactivity are poorly understood. Besides acting as the intermediate for Mn redox chemistry, Mn(III) can undergo disproportionation producing
Acta Crystallographica Section B, Structural Crystallography and Crystal Chemistry, 36, 2042-2042 (1980)
Tony K M Shing et al.
Organic letters, 8(14), 3149-3151 (2006-06-30)
Manganese(III) acetate catalyzed allylic oxidation of alkenes to the corresponding enones was investigated, showing excellent regioselectivity and chemoselectivity (functional group compatibility). Delta(5)-Steroids were transformed into bioactive Delta(5)-en-7-ones under a nitrogen atmosphere, whereas simple alkenes were converted into the corresponding enones
Manganese(III)-Based Oxidative Free-Radical Cyclizations.
Barry B. Snider
Chemical reviews, 96(1), 339-364 (1996-02-01)
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