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Acetoin

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Identification
Molecular formula
C4H8O2
CAS number
513-86-0
IUPAC name
4-hydroxy-3-methyl-butan-2-one
State
State

At room temperature, acetoin is in the liquid state. It is volatile and has a characteristic buttery aroma, often used in flavorings and fragrances.

Melting point (Celsius)
15.00
Melting point (Kelvin)
288.15
Boiling point (Celsius)
147.00
Boiling point (Kelvin)
420.15
General information
Molecular weight
88.11g/mol
Molar mass
88.1060g/mol
Density
1.0004g/cm3
Appearence

Acetoin is a colorless or pale yellow liquid with a buttery odor. It is hygroscopic and can form crystals when cooled below its melting point.

Comment on solubility

Solubility of 4-hydroxy-3-methyl-butan-2-one

4-hydroxy-3-methyl-butan-2-one, commonly known as acetoin, exhibits interesting solubility characteristics that are crucial for its applications in various fields. Here are the key points regarding its solubility:

  • Solvent Compatibility: 4-hydroxy-3-methyl-butan-2-one is highly soluble in polar solvents such as water and ethanol due to its ability to form hydrogen bonds.
  • Water Solubility: The compound is relatively soluble in water, making it suitable for aqueous formulations.
  • Temperature Dependency: Its solubility may increase with temperature, enhancing its utility in processes that involve heating.
  • Applications: The solubility behavior allows its use in food and cosmetic industries, where it serves both as a flavoring agent and a fragrance.

Overall, the solubility of 4-hydroxy-3-methyl-butan-2-one in various solvents underscores its versatility and importance in both chemical synthesis and practical applications.

Interesting facts

Interesting Facts about 4-hydroxy-3-methyl-butan-2-one

4-hydroxy-3-methyl-butan-2-one, also known as acetoin, is a fascinating organic compound that has garnered attention in various fields including food science, biochemistry, and even cosmetics.

Key Attributes

  • Production: This compound is produced naturally during the fermentation process, particularly in yogurt, and is responsible for the pleasant aroma and flavor of certain dairy products.
  • Flavoring Agent: Due to its butter-like flavor, acetoin is widely used as a flavoring agent in the food industry, enhancing the taste of baked goods and confections.
  • Biochemical Significance: Acetoin plays a crucial role in the metabolism of microorganisms, acting as a signaling molecule that can influence cellular behavior.
  • Uses in Cosmetics: In cosmetic formulations, acetoin is admired for its moisturizing properties and can help improve the texture and appearance of skin and hair products.
  • Research Potential: Ongoing research is investigating the potential use of acetoin in pharmaceuticals, particularly in how it may contribute to the development of certain therapeutic agents.

A Chemistry Perspective

This compound exemplifies the diversity of organic chemistry. Its structure features both a hydroxy group and a ketone group, making it an interesting subject for studying reactions involving nucleophiles and electrophiles.

As noted by renowned chemist Linus Pauling, "Chemistry is the study of the relationships between structure and properties." This reflects perfectly on the role of 4-hydroxy-3-methyl-butan-2-one in various industries and its implications in biochemistry.

Overall, 4-hydroxy-3-methyl-butan-2-one is not just a simple compound; it's a vital ingredient that connects food production, biochemical processes, and consumer products, making it a topic of great interest for both scientists and students alike!

Synonyms
4-Hydroxy-3-methylbutan-2-one
2-Butanone, 4-hydroxy-3-methyl-
EINECS 222-238-6
AI3-04080
VVSRECWZBBJOTG-UHFFFAOYSA-
DTXSID80871018
NSC 62078
DTXCID10818693
222-238-6
inchi=1/c5h10o2/c1-4(3-6)5(2)7/h4,6h,3h2,1-2h3
4-HYDROXY-3-METHYL-2-BUTANONE
3393-64-4
4-Hydroxy-3-methyl-butan-2-one
3-(Hydroxymethyl)-2-butanone
MFCD00004739
2-Butanone, 4-hydroxy-3-methyl-, (+)-
SCHEMBL422046
CHEBI:167070
NSC62078
NSC-62078
AKOS006227961
AS-6244
DA-06692
SY296786
CS-0132490
NS00049948
G29751
EN300-7138115
4-Hydroxy-3-methyl-2-butanone, 65%, technical grade