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227749

Sigma-Aldrich

Bis(acetylacetonato)dioxomolybdenum(VI)

Synonym(s):

MoO2(acac)2, Molybdenum diacetylacetonate dioxide, Molybdenum dioxide bis(acetylacetonate), Molybdenum dioxydiacetylacetonate, Molybdenyl acetylacetonate

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About This Item

Linear Formula:
[CH3COCH=C(O-)CH3]2MoO2
CAS Number:
17524-05-9
Molecular Weight:
326.15
EC Number:
241-522-0
MDL number:
MFCD00011506
UNSPSC Code:
12161600
PubChem Substance ID:
24853651
NACRES:
NA.22

form

powder

reaction suitability

core: molybdenum
reagent type: catalyst

mp

184 °C (dec.) (lit.)

storage temp.

2-8°C

SMILES string

CC(=O)\C=C(\C)O[Mo](=O)(=O)O\C(C)=C/C(C)=O

InChI

1S/2C5H8O2.Mo.2O/c2*1-4(6)3-5(2)7;;;/h2*3,6H,1-2H3;;;/q;;+2;;/p-2/b2*4-3-;;;

InChI key

SKMUJBBRXZPAJY-VGKOASNMSA-L

General description

Bis(acetylacetonato)dioxomolybdenum(VI) is used as a starting material and catalyst for oxidative transformation reactions.

Application

Bis(acetylacetonato)dioxomolybdenum(VI) can be used:
  • As a starting material to synthesize dioxomolybdenum(VI) Schiff base complexes, applicable as catalysts in the oxidation of alcohols using H2O2.
  • To prepare graphene oxide supported heterogeneous molybdenum catalysts for epoxidation of olefins.
  • As a catalyst in the etherification and thio-etherification reactions of thiols and alcohols.

Pictograms

Health hazardExclamation mark
GHS08,GHS07

Signal Word

Warning

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Carc. 2 - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Synthesis, structures, electrochemical studies and antioxidant activities of cis-dioxomolybdenum (VI) complexes of the new bisthiocarbohydrazones
Kaya Y, et al.
Journal of Molecular Structure, 1102, 17-126 (2015)
Jie Wang et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 26(51), 11841-11850 (2020-05-28)
Pyrite FeS2 as a high-capacity electrode material for lithium-ion batteries (LIBs) is hindered by its unstable cycling performance owing to the large volume change and irreversible phase segregation from coarsening of Fe. Here, the beneficial microstructure evolution in MoS2 -modified
Dinuclear and polynuclear dioxomolybdenum (VI) Schiff base complexes: synthesis, structural elucidation, spectroscopic characterization, electrochemistry and catalytic property
Ngan NK, et al.
Polyhedron, 33(1), 235-251 (2012)
Peter Priecel et al.
Frontiers in chemistry, 8, 216-216 (2020-04-24)
This investigation deals with NiMo-alumina hydrotreating catalysts effective in the deoxygenation of rapeseed oil. The main goal was to compare catalyst structure and their deoxygenation performance and to link these parameters to reveal important structural information regarding the catalyst's intended
Covalent functionalization of graphene oxide with molybdenum-carboxylate complexes: new reusable catalysts for the epoxidation of olefins
Masteri-Farahani M and Mirshekar S
Colloids and Surfaces. A, Physicochemical and Engineering Aspects, 538(1), 387-392 (2018)
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