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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

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

Certificates of Analysis (COA)

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The Journal of Organic Chemistry, 62, 6978-6978 (1997)
Manganese(III)-Based Oxidative Free-Radical Cyclizations.
Barry B. Snider
Chemical reviews, 96(1), 339-364 (1996-02-01)
Demir, A.S. et al.
Tetrahedron, 55, 2441-2441 (1999)
Chemtracts Org. Chem., 403-403 (1991)
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
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