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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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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)
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)
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)
Wei Wang et al.
ACS nano, 10(11), 10106-10116 (2016-11-05)
Electrode materials based on conversion reactions with lithium ions generally show much higher energy density. One of the main challenges in the design of these electrode materials is to improve initial Coulombic efficiency and alleviate the volume changes during the
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