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Diethyl ketone

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Identification
Molecular formula
C5H10O
CAS number
96-22-0
IUPAC name
pentan-3-one
State
State

At room temperature, diethyl ketone is a liquid.

Melting point (Celsius)
-39.50
Melting point (Kelvin)
233.65
Boiling point (Celsius)
101.10
Boiling point (Kelvin)
374.25
General information
Molecular weight
86.13g/mol
Molar mass
86.1320g/mol
Density
0.8110g/cm3
Appearence

Diethyl ketone, or pentan-3-one, is a colorless, flammable liquid with a sweet, acetone-like odor.

Comment on solubility

Solubility of Pentan-3-one

Pentan-3-one, also known as 3-pentanone, is an organic compound with the formula C5H10O. When it comes to its solubility, several aspects can be noted:

  • Polar Character: Pentan-3-one features a carbonyl group (C=O) which contributes to its polar nature. This polarity plays a crucial role in its solubility behavior.
  • Solubility in Water: Due to its moderate polarity, pentan-3-one has limited solubility in water. Typically, small carbonyl compounds with up to five carbons can dissolve to a certain extent, but for longer carbon chains, water solubility generally decreases.
  • Solubility in Organic Solvents: Pentan-3-one is more soluble in organic solvents such as alcohols, ethers, and hydrocarbons. This affinity stems from the similar non-polar characteristics of these solvents, allowing for better dissolution.

In conclusion, while pentan-3-one exhibits some degree of solubility in water, it is significantly more soluble in organic solvents, aligning with the general solubility rule that states "like dissolves like." Thus, for practical applications, being aware of its solubility profile is essential.

Interesting facts

Exploring Pentan-3-one

Pentan-3-one, also known as diethyl ketone, is a fascinating organic compound that belongs to the family of ketones. This compound is characterized by the presence of a carbonyl group (C=O) located in the middle of the carbon chain, which significantly influences its chemical reactivity and physical properties.

Key Facts about Pentan-3-one:

  • Structure and Isomerism: Pentan-3-one features a unique structure where the carbonyl carbon atom is situated between other carbon atoms, making it a *branched ketone*. This positioning gives rise to several interesting isomers, which can lead to diverse applications in organic synthesis.
  • Applications in Industry: This ketone is widely utilized in the manufacturing of solvents and chemical intermediates. Its ability to act as a solvent make it valuable in various formulations, including coatings, paints, and even adhesives.
  • Odor and Flavor: Pentan-3-one is known for its pleasant smell, often likened to that of fruits or sweet substances. This characteristic makes it a candidate for use in flavoring agents and fragrances.
  • Biological Relevance: Like many ketones, pentan-3-one can be metabolized by living organisms, and understanding its metabolic pathway can provide insights into its role in biological systems. It can also contribute to the study of ketone bodies in biochemistry.
  • Research Opportunities: The compound serves as an ideal subject for various scientific studies, including its behavior in reactions, its role as a starting material for synthesizing more complex molecules, and its interaction with biological systems.

In summary, pentan-3-one is more than just a simple ketone; it offers a wide range of possibilities for research and industry. With its interesting properties and applications, it’s an essential compound for chemists to study, highlighting the vastness and complexity of organic chemistry.

Synonyms
3-PENTANONE
Pentan-3-one
Diethyl ketone
96-22-0
Ethyl ketone
Dimethylacetone
Methacetone
Propione
Metacetone
Pentanone-3
Diethylcetone
DIETHYLKETONE
Ethyl propionyl
NSC 8653
HSDB 5301
UNII-9SLZ98M9NK
EINECS 202-490-3
UN1156
1-pentan-3-one
1,3-Dimethylacetone
DTXSID6021820
CHEBI:87755
AI3-24337
NSC-8653
DIETHYL KETONE [MI]
3-PENTANONE [HSDB]
9SLZ98M9NK
DTXCID301820
DEK
(C2H5)2CO
EC 202-490-3
UN 1156
Diethylcetone [French]
dimethyl acetone
diethylketon
3pentanone
di-ethyl ketone
Pentanone3
3-pentanon
3-penta none
ethyl ethyl ketone
MFCD00009320
Diethyl ketone (ACGIH)
ZED 2EK
3-Pentanone, >=99%
CHEMBL45315
WLN: 2V2
3-Pentanone, analytical standard
3-Pentanone, for HPLC, 96%
NSC8653
Tox21_200677
BBL027755
LMFA12000001
STL281851
AKOS000119714
CAS-96-22-0
3-Pentanone, ReagentPlus(R), >=99%
NCGC00166068-01
NCGC00166068-02
NCGC00258231-01
3-Pentanone 100 microg/mL in Acetonitrile
NS00005016
P0061
EN300-20108
Diethyl ketone [UN1156] [Flammable liquid]
3-Pentanone, ReagentPlus(R), >=99.0% (GC)
A845564
Q223112
F0001-2290
Z104476878