Skip to Content
MilliporeSigma

202231

Sigma-Aldrich

Chromium(III) acetylacetonate

97%

Synonym(s):

Chromium(III) 2,4-pentanedionate, Cr(acac)3

Sign Into View Organizational & Contract Pricing

Select a Size

About This Item

Linear Formula:
Cr(C5H7O2)3
CAS Number:
21679-31-2
Molecular Weight:
349.32
Beilstein/REAXYS Number:
4148971
EC Number:
244-526-0
MDL number:
MFCD00000015
UNSPSC Code:
12352103
PubChem Substance ID:
24852050
NACRES:
NA.23

Key Documents

View All Documentation
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Quality Level

200

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

Looking for similar products? Visit Product Comparison Guide

Related Categories

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.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H315,H319

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

>392.0 °F

flash_point_c

> 200 °C

ppe

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
MKCN5034
MKBV1869V
MKBV2274V
MKBT7502V
MKBT2215V

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Yi Wang et al.
Journal of medicinal chemistry, 56(23), 9601-9611 (2013-11-28)
Current precious-metal-containing anticancer agents are mostly chelated with N-containing ligands and function by interacting with DNA. In the present study, Pd(acac)2, a Pd(II) complex containing four O-donor ligands, has been evaluated as an active anticancer agent. Pd(acac)2 showed no interaction
Gong-Jun Chen et al.
Dalton transactions (Cambridge, England : 2003), 39(44), 10637-10643 (2010-10-06)
Two Eu(III) complexes, [Eu(acac)(3)(dpq)] (1) and [Eu(acac)(3)(dppz)] CH(3)OH (2) {viz. acetylacetonate (acac), dipyrido[3,2-d:20,30-f]quinoxaline (dpq), dipyrido[3,2-a:20,30-c] phenazine (dppz)}, have been synthesized and their DNA binding, photo-induced DNA cleavage activity and cell cytotoxicity are studied. The complexes display significant binding propensity to
The direct writing of plasmonic gold nanostructures by electron-beam-induced deposition.
Katja Höflich et al.
Advanced materials (Deerfield Beach, Fla.), 23(22-23), 2657-2661 (2011-05-04)
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
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
View All Related Papers

Articles

Role of High Purity Metal Salts in Chemical Synthesis

Discover the ways in which high-purity metal salts improve the selectivity, yields, and catalytic efficacy of organic synthesis reactions.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service