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Methyl isobutyl ketone

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

At room temperature, methyl isobutyl ketone is typically found in a liquid state. It is often used as an industrial solvent due to its moderate evaporation rate.

Melting point (Celsius)
-84.70
Melting point (Kelvin)
188.45
Boiling point (Celsius)
117.00
Boiling point (Kelvin)
390.15
General information
Molecular weight
100.16g/mol
Molar mass
100.1610g/mol
Density
0.8012g/cm3
Appearence

Methyl isobutyl ketone (MIBK) is a colorless liquid with a sweet, pleasant, and mild alcoholic odor. The liquid has a relatively low viscosity and evaporates quickly at room temperature, which makes it a useful solvent in numerous industrial applications.

Comment on solubility

Solubility of 3-methylbutan-2-one

3-methylbutan-2-one, also known as isopropyl methyl ketone, demonstrates notable solubility characteristics. Below is an overview of its solubility attributes:

  • Polar and Non-Polar Solvent Solubility: 3-methylbutan-2-one is considered a moderately polar solvent, which makes it soluble in a variety of solvents.
  • Water Solubility: It has limited water solubility, with around 6 g/L at 20 °C, making it more soluble in organic solvents than in water.
  • Alcohol and Ether Compatibility: The compound is highly soluble in alcohols and ethers, enhancing its utility in various chemical applications.

In summary, while 3-methylbutan-2-one is largely soluble in organic solvents, its solubility in water is relatively restricted. This solubility profile is significant for its use in industrial and laboratory settings, where the choice of solvent can influence reaction outcomes and product isolation.

Interesting facts

Exploring 3-Methylbutan-2-one

3-Methylbutan-2-one, commonly known as mesityl oxide, is a fascinating organic compound that belongs to the family of ketones. It is characterized by a unique structure that provides several interesting properties and applications.

Key Characteristics:

  • Structure: The compound features a five-carbon backbone with a ketone functional group, making it a branched ketone.
  • Flavor and Fragrance: 3-Methylbutan-2-one is known to impart a pleasant fruity aroma, which can often be found in various flavoring agents.
  • Use in Synthesis: It serves as a valuable intermediate in the synthesis of pharmaceuticals and other organic compounds.

Applications of 3-Methylbutan-2-one:

  1. Solvent: It is used as a solvent in various chemical reactions and processes due to its ability to dissolve a wide range of substances.
  2. Flavoring Agent: Used in food products, it enhances flavors, particularly in confectionery and beverages.
  3. Industrial Production: This compound plays a role in the production of other chemicals, contributing to the manufacturing of plastics and paints.

As noted by chemists, "the versatility of 3-methylbutan-2-one not only showcases the beauty of organic chemistry but also highlights its practical applications across various industries." This compound’s role as both a flavor enhancer and an industrial intermediate exemplifies the interconnectedness of chemistry in everyday life and industrial processes.

In summary, 3-methylbutan-2-one stands out not only for its chemical structure but also for its significant applications in flavoring and industrial processes, making it a compound worth studying and appreciating in the realm of chemistry.

Synonyms
3-METHYL-2-BUTANONE
563-80-4
3-Methylbutan-2-one
Methyl isopropyl ketone
Isopropyl methyl ketone
2-Acetylpropane
2-Butanone, 3-methyl-
Methyl butanone-2
3-Methylbutanone
Ketone, isopropyl methyl
2-Methyl-3-butanone
2-Acetyl propane
Methylbutanone (VAN)
Caswell No. 555A
NSC 9379
Methylbutanone
V8DP6THY5O
EINECS 209-264-3
UN2397
EPA Pesticide Chemical Code 044104
DTXSID0022062
2-Methylbutan-3-one
AI3-24194
HSDB 7915
NSC-9379
DTXCID802062
METHYL-2-BUTANONE, 3-
EC 209-264-3
METHYL ISOPROPYL KETONE [MI]
3-methyl butan-2-one
3methylbutanone
methyl butanone
2Acetylpropane
2-isopentanone
2Acetyl propane
2Methyl3butanone
3Methyl2butanone
3Methylbutan2one
Methyl butanone2
2Butanone, 3methyl
Methyl isopropyl ketone (ACGIH)
3-Methyl-2-butan-2-one (DOT)
2-BUTANONE,3-METHYL METHYL ISOPROPYL KETONE
209-264-3
inchi=1/c5h10o/c1-4(2)5(3)6/h4h,1-3h
MIPK
methylisopropylketone
3-methyl-butan-2-one
MFCD00008919
3-Methyl-2-butanone, 99%
CAS-563-80-4
methylisopropyl ketone
methyl-isopropyl ketone
UNII-V8DP6THY5O
isopropylmethylketone
methyl isopropylketone
3-methyl 2-butanal
3-methyl 2-butanone
3-methyl-2 butanone
3-methylbutane-2-one
isopropyl-methyl ketone
iso-C3H7COCH3
2-methyl-butan-3-one
Isobutyl-1-methyl ketone
CHEMBL3183920
WLN: 1Y1&V1
NSC9379
CHEBI:179699
BCP21603
Tox21_201720
Tox21_302856
LMFA12000024
AKOS000119454
UN 2397
NCGC00249104-01
NCGC00256399-01
NCGC00259269-01
3-Methyl-2-butanone, analytical standard
BP-20359
DB-003933
3-Methyl-2-butanone Methyl-isopropyl ketone
M0173
NS00006188
EN300-20390
E80427
Isopropyl methyl ketone;Methyl isopropyl ketone
3-Methyl-2-butanone, puriss., >=98.5% (GC)
A831026
Q2747560
2-BUTANONE,3-METHYL METHYL ISOPROPYL KETONE
3-Methylbutan-2-one [UN2397] [Flammable liquid]
F1908-0070