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2H-Pyran-4-one

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Identification
Molecular formula
C5H4O2
CAS number
108-97-4
IUPAC name
pyran-4-one
State
State

2H-Pyran-4-one is typically solid at room temperature. It may appear in different forms like powders or crystals, depending on how it's processed and stored. It is stable in its solid form under normal conditions.

Melting point (Celsius)
32.00
Melting point (Kelvin)
305.15
Boiling point (Celsius)
153.00
Boiling point (Kelvin)
426.15
General information
Molecular weight
96.08g/mol
Molar mass
96.0850g/mol
Density
1.1640g/cm3
Appearence

2H-Pyran-4-one typically appears as a white to off-white crystalline powder. The crystals are usually fine and may form clumps, depending on the degree of purity and storage conditions. It can also appear as a colorless liquid under certain conditions.

Comment on solubility

Solubility of Pyran-4-one

Pyran-4-one, with its distinct molecular structure, exhibits unique solubility characteristics that are noteworthy.

  • Solvent Compatibility: Pyran-4-one is generally considered to be soluble in many organic solvents, such as ethanol, methanol, and acetone. This is due to its polar functional groups that allow it to interact favorably with these solvents.
  • Water Solubility: However, its solubility in water is limited. The presence of a ring structure can reduce its hydrogen-bonding ability with water molecules, thereby impacting solubility.
  • Concentration Effects: At higher concentrations, pyran-4-one may begin to show increased solubility, but this is often dependent on the solvent's nature and the temperature conditions.

In summary, while pyran-4-one displays good solubility in organic solvents, its solubility in water remains moderate to low. The intricate balance of intermolecular forces plays a crucial role in its solubility behavior, making it an interesting compound for further studies in chemical applications.

Interesting facts

Interesting Facts About Pyran-4-One

Pyran-4-one, an intriguing organic compound, belongs to the class of heterocycles. Its unique structure incorporates a six-membered aromatic ring containing both oxygen and nitrogen. This compound is notable for several reasons:

  • Biological Activity: Pyran-4-one derivatives exhibit a wide range of biological activities. They have been explored for their potential as:
    • Antioxidants
    • Antimicrobial agents
    • Anti-inflammatory compounds
  • Synthesis Versatility: The synthetic pathways leading to pyran-4-one can be quite diverse, making it a valuable intermediate in organic synthesis. Methods such as:
    • Condensation reactions
    • Electrophilic substitution
    • Oxidation techniques
  • Natural Occurrence: Some naturally occurring compounds bear the pyran-4-one structure, showcasing its significance in nature and potential therapeutic properties. One such example is:
    • Furanocoumarins, which are derived from plant sources and have medicinal uses.

As chemists explore this compound further, they might come across various applications ranging from pharmaceuticals to agrochemicals. It's essential to recognize that the fascinating world of pyran-4-one reflects the union of structure and function, where the arrangement of atoms plays a crucial role in the compound's behavior and utility.

To quote a famous chemist: "Chemistry is the central science." And with compounds like pyran-4-one, we see how true this statement is as they bridge various disciplines and open doors to new discoveries.

Synonyms
4H-PYRAN-4-ONE
108-97-4
gamma-Pyrone
Pyran-4-one
4-Pyrone
.gamma.-Pyrone
UNII-UJ7X07IM7Z
UJ7X07IM7Z
4-oxo-4H-pyran
4H-Pyran, 4-oxo-
EINECS 203-634-8
MFCD00006576
CHEBI:37966
DTXSID20148352
4-Pyranone
|A-Pyrone
g-Pyrone
4-oxo-1H-pyran
4H-pyran-4-on
DTXCID2070843
4H-Pyran-4-one, >=98%
AKOS016008736
AS-56532
SY051693
DB-040854
CS-0108723
NS00023510
EN300-49123
Q3411301
Z586248016
203-634-8