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Methyl isobutyl ketone

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Identification
Molecular formula
C6H12O
CAS number
108-10-1
IUPAC name
3-methylpentan-2-one
State
State

At room temperature, methyl isobutyl ketone is a liquid. It is quite volatile with a noticeable odor.

Melting point (Celsius)
-84.70
Melting point (Kelvin)
188.50
Boiling point (Celsius)
117.00
Boiling point (Kelvin)
390.20
General information
Molecular weight
100.16g/mol
Molar mass
100.1590g/mol
Density
0.8010g/cm3
Appearence

Methyl isobutyl ketone is a colorless liquid with a characteristic pleasant odor. It is often used as a solvent and is known for its clarity and liquid form.

Comment on solubility

Solubility of 3-methylpentan-2-one

3-methylpentan-2-one, also known as a ketone, exhibits interesting solubility properties due to its molecular structure. The behavior of this compound in various solvents can be summarized as follows:

  • Polar Solvents: 3-methylpentan-2-one is moderately soluble in polar solvents such as water. This is attributed to its carbonyl group (C=O), which can engage in dipole-dipole interactions with water molecules, though the overall solubility is limited due to the hydrophobic nature of its hydrocarbon chain.
  • Non-Polar Solvents: It is highly soluble in non-polar solvents like hexane and benzene. The considerable non-polar hydrocarbon part dominates the solubility in these solvents, allowing for strong van der Waals interactions.
  • Temperature Effects: Increasing temperature generally enhances solubility, as kinetic energy favors the disruption of intermolecular forces, thus allowing 3-methylpentan-2-one to dissolve better in both polar and non-polar environments.

As a ketone, the solubility properties of 3-methylpentan-2-one highlight the balance between its polar functional group and the non-polar hydrocarbon tail. For practical applications, understanding this solubility behavior can aid in choosing appropriate solvents for reactions or formulations involving this compound.

Interesting facts

Interesting Facts about 3-Methylpentan-2-one

3-Methylpentan-2-one, also known as mesityl oxide, is a fascinating organic compound that belongs to the ketone family. Here are some intriguing aspects of this compound:

  • Structural Characteristics: This compound features a branched-chain structure, which is significant in determining its chemical behavior and reactivity. The presence of a methyl group at the 3-position adds to its uniqueness.
  • Applications: 3-Methylpentan-2-one is widely utilized in various industrial applications, including:
    • Synthesis of other chemicals
    • As a solvent for organic compounds
    • In agriculture as a potential herbicide
  • Flavor and Fragrance: With a somewhat sweet and fruity odor, this compound finds its way into flavoring and fragrance formulations, enhancing the sensory profile of products.
  • Biochemical Relevance: In the realm of biochemistry, 3-methylpentan-2-one is of interest due to its role as a metabolic intermediate and its implications in several metabolic pathways.
  • Safety and Handling: While 3-methylpentan-2-one is useful, it’s important to take safety precautions when handling it. Ensure proper ventilation and use personal protective equipment as needed, as it can cause irritation.

Scientific Significance

This compound is not just a simple ketone; it serves as a prime example of how structural variations lead to diverse properties and applications. As a student or a scientist, understanding 3-methylpentan-2-one can provide deeper insights into organic chemistry and the multifaceted roles that organic compounds play in both industrial and natural processes. Its interesting reactivity also positions it as a valuable subject for further research in synthetic chemistry.

So, the next time you come across 3-methylpentan-2-one, remember it’s more than just a compound; it's a window into the intricate world of chemistry!

Synonyms
3-Methyl-2-pentanone
565-61-7
3-METHYLPENTAN-2-ONE
Methyl sec-butyl ketone
2-Pentanone, 3-methyl-
sec-Butyl methyl ketone
Methyl 1-methylpropyl ketone
EINECS 209-282-1
NSC 66492
DTXSID4021634
DTXCID801634
UIHCLUNTQKBZGK-UHFFFAOYSA-
EC 209-282-1
3Methylpentan2one
2Pentanone, 3methyl
Methyl secbutyl ketone
secButyl methyl ketone
Methyl 1methylpropyl ketone
209-282-1
(+-)-3-methyl-2-pentanone
inchi=1/c6h12o/c1-4-5(2)6(3)7/h5h,4h2,1-3h3
3-methyl-pentan-2-one
NSC-66492
(3R)-3-methylpentan-2-one
MFCD00009336
methylethylacetone
sec-C4H9COCH3
S6QAE3S2Z8
SCHEMBL93407
3-Methyl-2-pentanone, 99%
CHEMBL3182903
(+/-)-3-Methyl-2-pentanone
CHEBI:195650
2695-53-6
3-Methyl-2-pentanone, (+/-)-
57968-72-6
NSC66492
Tox21_200530
LMFA12000027
AKOS009031605
NCGC00248679-01
NCGC00258084-01
AS-31209
CAS-565-61-7
DB-052938
M0388
NS00004347
EN300-19776
Q15720827