2,4-Dimethyl-3-pentanone
Synonym(s):Diisopropyl ketone;Isobutyrone
- CAS NO.:565-80-0
- Empirical Formula: C7H14O
- Molecular Weight: 114.19
- MDL number: MFCD00008918
- EINECS: 209-294-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-11-28 16:31:44
What is 2,4-Dimethyl-3-pentanone?
Chemical properties
2,4-Dimethyl-3-pentanone is a colorless liquid with a characteristic odor similar to that of camphor; it is insoluble in water but soluble in organic solvents.
The Uses of 2,4-Dimethyl-3-pentanone
2,4-Dimethyl-3-pentanone is used in an experimental method to measure the equilibrium isotopic fractionation factor (αeq ) for C-bound H positions adjacent to carbonyl group in ketones.It is a carbonyl compound used in an experimental method to measure the equilibrium isotopic fractionation factor (αeq ) for C-bound H positions adjacent to carbonyl group in ketones. Isobutyrone is a very useful synthetic intermediate. It is an intermediate used to prepare α-aryl ketones. It is also used in Grignard reactions.
The Uses of 2,4-Dimethyl-3-pentanone
DiPK has been used in automotive assembly plants as a ketonic solvent for fuel injectors and as a photoinitiator for IV-curable acrylic coatings in optical fiber gratings. The U.S. production ofDnPK was estimated to be,500,000 lb in 2005 according to the 2006 U.S. EPA Inventory Update Reporting database.
The Uses of 2,4-Dimethyl-3-pentanone
2,4-Dimethyl-3-pentanone was used in an experimental method to measure the equilibrium isotopic fractionation factor (αeq ) for C-bound H positions adjacent to carbonyl group in ketones.
Definition
ChEBI: 2,4-dimethyl-3-pentanone is a pentanone that is pentan-3-one substituted by methyl groups at positions 2 and 4 respectively. It has a role as a metabolite. It is functionally related to a pentan-3-one.
Production Methods
2,4-Dimethyl-3-pentanone is preferably obtained by ketonization of isobutyric acid over a thorium oxide or zirconium oxide catalyst at 430℃.
Synthesis Reference(s)
Tetrahedron Letters, 24, p. 4207, 1983 DOI: 10.1016/S0040-4039(00)88301-X
Purification Methods
Dry the ketone with CaSO4, shake it with chromatographic alumina and fractionally distil it from P2O5 under N2. [Beilstein 1 IV 3334.]
Properties of 2,4-Dimethyl-3-pentanone
Melting point: | -80 °C (lit.) |
Boiling point: | 124 °C (lit.) |
Density | 0.806 g/mL at 25 °C (lit.) |
vapor pressure | 17.89hPa at 25℃ |
refractive index | n |
Flash point: | 60 °F |
storage temp. | Flammables area |
form | Liquid |
color | Clear colorless to yellow |
Water Solubility | insoluble |
BRN | 773782 |
Dielectric constant | 17.07 |
CAS DataBase Reference | 565-80-0(CAS DataBase Reference) |
NIST Chemistry Reference | 3-Pentanone, 2,4-dimethyl-(565-80-0) |
EPA Substance Registry System | 3-Pentanone, 2,4-dimethyl- (565-80-0) |
Safety information for 2,4-Dimethyl-3-pentanone
Signal word | Danger |
Pictogram(s) |
Flame Flammables GHS02 Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H225:Flammable liquids H332:Acute toxicity,inhalation |
Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P240:Ground/bond container and receiving equipment. P241:Use explosion-proof electrical/ventilating/lighting/…/equipment. P242:Use only non-sparking tools. |
Computed Descriptors for 2,4-Dimethyl-3-pentanone
New Products
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