202231
Chromium(III) acetylacetonate
97%
Sinónimos:
Chromium(III) 2,4-pentanedionate, Cr(acac)3
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Fórmula lineal:
Cr(C5H7O2)3
Número CAS:
Peso molecular:
349.32
UNSPSC Code:
12352103
NACRES:
NA.23
PubChem Substance ID:
EC Number:
244-526-0
Beilstein/REAXYS Number:
4148971
MDL number:
Servicio técnico
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Permítanos ayudarleQuality Level
assay
97%
form
solid
reaction suitability
core: chromium
bp
340 °C (lit.)
mp
210 °C (lit.)
SMILES string
CC(=O)\C=C(\C)O[Cr](O\C(C)=C/C(C)=O)O\C(C)=C/C(C)=O
InChI
1S/3C5H8O2.Cr/c3*1-4(6)3-5(2)7;/h3*3,6H,1-2H3;/q;;;+3/p-3/b3*4-3-;
InChI key
JWORPXLMBPOPPU-LNTINUHCSA-K
General description
Chromium(III) acetylacetonate (Cr(acac)₃) is a high-purity (≥97%) coordination complex that appears as a purple to very dark purple powder or in chunk form. It is a stable, air-insensitive compound, soluble in non-polar organic solvents. Its high thermal stability and well-defined molecular structure make it an excellent precursor for synthesizing advanced materials. Cr(acac)₃ is especially valued for applications in catalysis, thin film deposition, and as a molecular probe in spectroscopic studies.
Application
Chromium(III) acetylacetonate can be used as:
- A precursor for the synthesis of chromium oxide (Cr₂O₃) nanoparticles, which are utilized in magnetic, catalytic, and electrochemical devices
- A molecular precursor in chemical vapor deposition (CVD) and sol-gel processes to fabricate chromium-containing thin films for electrochromic and energy storage applications
- A catalyst or catalyst precursor in selective oxidation and polymerization reactions, enabling efficient and sustainable organic transformations
Analysis Note
Used to modify the surface properties of solid polyurethanes formed in its presence.
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2
Clase de almacenamiento
11 - Combustible Solids
wgk
WGK 2
flash_point_f
>392.0 °F
flash_point_c
> 200 °C
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Michael E Ziebel et al.
Chemical science, 11(26), 6690-6700 (2020-09-22)
The incorporation of second-row transition metals into metal-organic frameworks could greatly improve the performance of these materials across a wide variety of applications due to the enhanced covalency, redox activity, and spin-orbit coupling of late-row metals relative to their first-row
Zhan'ao Tan et al.
Physical chemistry chemical physics : PCCP, 14(42), 14589-14595 (2012-09-28)
A solution-processed vanadium oxide (s-VO(x)) anode buffer layer on an indium-tin-oxide (ITO) electrode was used instead of PEDOT:PSS for improving the stability and photovoltaic performance of the polymer solar cells (PSCs). The s-VO(x) layer was prepared by spin-coating a vanadyl
Channa R De Silva et al.
Journal of the American Chemical Society, 131(18), 6336-6337 (2009-04-17)
Nearly monodisperse lanthanide-doped magnetite nanoparticles were obtained by thermally decomposing a mixture of Fe(acac)(3) and Ln(acac)(3) (acac = acetylacetonate; Ln = Sm, Eu, Gd) in the presence of passivating surfactants. Magnetic studies revealed room-temperature ferromagnetic behaviors of these doped nanoparticles