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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:
Molecular Weight:
326.15
EC Number:
MDL number:
UNSPSC Code:
12161600
PubChem Substance ID:
NACRES:
NA.22

form

powder

Quality Level

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

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

PRTR

Class I Designated Chemical Substances

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

227749-VAR:
227749-50G:4548173932712
227749-BULK:
227749-10G:4548173932705
227749-250G:


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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)
Molybdenum (VI)-catalyzed dehydrative construction of CO and CS bonds formation via etherification and thioetherification of alcohols and thiols
Singh RR, et al.
Molecular Catalysis, 492(1), 110954-110954 (2020)
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

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