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P7754 Sigma-Aldrich

Acetylacetone

ReagentPlus®, ≥99%

Synonym: 2,4-Pentanedione

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Properties

grade   ReagentPlus®
vapor density   3.5 (vs air)
vapor pressure   6 mmHg ( 20 °C)
assay   ≥99%
autoignition temp.   662 °F
expl. lim.   11.4 %
refractive index   n20/D 1.452(lit.)
bp   140.4 °C(lit.)
mp   −23 °C(lit.)
density   0.975 g/mL at 25 °C(lit.)
Gene Information   human ... ACHE(43), BCHE(590), CES1(1066)

Description

Other Notes

A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

Packaging

1 L in glass bottle

100, 500 mL in glass bottle

Packaged in glass bottles

Application

Acetylacetone has been used in a protocol for the estimation of pectin esterase activity. It has also been used to prevent aggregation during the preparation of TiO2 printable colloidal pastes.
It may be used in the synthesis of:
• Aryl diketones via carbonylative α-arylation in the presence of palladium catalyst.
• 2-(3,5-Dimethyl-1-pyrazolyl)perimidine by reacting with 2-hydrazinoperimidine.
• Soluble functional graphene from graphene oxide (GO).

Acetylacetone is used as transition-metal chelating agent.

General description

Acetylacetone (AA) is a 1,3-diketone with the pKa value in the range 8-9. It reacts with carbamide to form an active medium for the polycondensation of organochlorosilanes. The infrared and Raman spectra of AA have been recorded and analyzed. The formation of Michael adducts via asymmetric Michael addition of AA with nitroolefins in the presence of novel ferrocene-based bifunctional amine-thioureas has been reported.

Legal Information

ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC

Price and Availability

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN 2310 6.1(3) / PGIII
WGK Germany 
1
RTECS 
SA1925000
Flash Point(F) 
100.4 °F
Flash Point(C) 
38 °C
Protocols & Articles

Articles

Determination of Water Content in Acetylacetone Using Karl Fischer Titration

Ketones have a tendency to form ketals. At the same time water is formed. Cyclohexanone and acetone react rapidly, long chain ketones react more slowly. Aromatically substituted ketones only react ve...
Keywords: Titrations

Peer-Reviewed Papers
15

References

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