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Diacetyl

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Identification
Molecular formula
C4H6O2
CAS number
431-03-8
IUPAC name
hexane-2,3-dione
State
State

At room temperature, diacetyl is a liquid. It is often stored in airtight containers to prevent vaporization due to its volatility.

Melting point (Celsius)
-2.00
Melting point (Kelvin)
271.15
Boiling point (Celsius)
88.00
Boiling point (Kelvin)
361.15
General information
Molecular weight
86.09g/mol
Molar mass
86.0900g/mol
Density
0.9900g/cm3
Appearence

Diacetyl is a yellow or greenish liquid with a strong buttery flavor and aroma. It is often noted for its characteristic buttery smell, which is why it is used as a food flavoring agent. The liquid is clear to pale in color.

Comment on solubility

Solubility of Hexane-2,3-dione

Hexane-2,3-dione, also known as 2,3-hexanedione, is an organic compound that exhibits intriguing solubility characteristics. This diketone is primarily characterized by the following solubility factors:

  • Solvent Compatibility: Hexane-2,3-dione is generally soluble in organic solvents such as ethanol, methanol, and acetone. This is due to its polar functional groups, which facilitate interactions with other polar molecules.
  • Water Solubility: While hexane-2,3-dione has some degree of solubility in water, it is not highly soluble. Its moderate polarity helps it dissolve to a certain extent, but it predominantly prefers to interact with non-polar solvents.
  • Temperature Dependence: The solubility of hexane-2,3-dione can be affected by temperature. As with many organic compounds, an increase in temperature often leads to an increase in solubility.
  • Concentration Considerations: When dissolved in solvents, the concentration can significantly impact its solubility behavior. At higher concentrations, precipitation may occur, particularly in less polar solvents.

In summary, the solubility of hexane-2,3-dione can be considered quite versatile. Its ability to dissolve in various organic solvents makes it a useful compound in synthetic applications, while its limited solubility in water poses certain restrictions in aqueous environments. As chemistry often reminds us, the interaction between molecular structure and solvent composition critically governs solubility!

Interesting facts

Interesting Facts about Hexane-2,3-dione

Hexane-2,3-dione, also known as 2,3-hexanedione, is a fascinating organic compound belonging to the family of diketones. Here are some intriguing aspects of this compound:

  • Versatile Intermediate: Hexane-2,3-dione serves as a crucial intermediate in organic synthesis, contributing to the creation of various complex molecules. Its unique structure allows it to participate in a range of chemical reactions.
  • Flavor and Fragrance: This diketone has been noted for its possible applications in the flavor and fragrance industry, where it can enhance and modify flavors. It can have a role in recreating sweet or caramel-like scents!
  • Biological Relevance: Compounds similar to hexane-2,3-dione play significant roles in biological systems. Understanding its reactivity can provide insights into metabolic pathways and other biochemical processes.
  • Useful Synthetic Routes: Scientists have developed various synthetic methods to produce hexane-2,3-dione, including the aldol condensation reaction, making it a study of interest in the field of synthetic organic chemistry.
  • Reactivity: The compound has interesting properties and reactivities due to its diketone structure. It can undergo reactions such as nucleophilic addition, making it a valuable reagent in chemical synthesis.

In summary, hexane-2,3-dione isn’t just a simple compound; it stands at the crossroads of flavor chemistry, organic synthesis, and potential biological study, making it a compound worthy of scientific interest!

Synonyms
2,3-HEXANEDIONE
3848-24-6
hexane-2,3-dione
Acetylbutyryl
Acetyl butyryl
Methyl propyl diketone
Butyryl acetyl
FEMA No. 2558
2,3-hexandione
UNII-559ANR3NVS
2,3-Hexanodione
EINECS 223-350-8
559ANR3NVS
NSC 31665
BRN 1699896
Methyl propyl glyoxal
DTXSID2047066
CHEBI:87583
AI3-35989
NSC-31665
HEXANEDIONE, 2,3-
DTXCID0027066
FEMA 2558
2,3-HEXANEDIONE [FHFI]
Acetyl-n-butyryl
methylpropylglyoxal
ACETYLBUTYRL
4-01-00-03687 (beilstein handbook reference)
mwvfcevnxhtdnf-uhfffaoysa-n
Hexanedione
MFCD00009398
SCHEMBL108066
CHEMBL3187497
2,3-Hexanedione, >=95%, FG
NSC31665
Tox21_302349
LMFA12000247
2,3-Hexanedione, analytical standard
AKOS015899028
2,3-Hexanedione, natural, 96%, FG
2,3-Hexanedione, technical grade, 90%
NCGC00256020-01
LS-13150
CAS-3848-24-6
DB-049294
CS-0258819
NS00012987
2,3-Hexanedione; Acetylbutyryl; NSC 31665
G86840
EN300-7149590
Q11186388
2,3-Hexanodione;Methyl propyl diketone;methylpropyldiketone