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3-Methyl-1,4-dihydropyrazol-5-one

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Identification
Molecular formula
C4H6N2O
CAS number
2928-86-7
IUPAC name
3-methyl-1,4-dihydropyrazol-5-one
State
State

3-Methyl-1,4-dihydropyrazol-5-one is a solid at room temperature. It maintains a stable solid state under normal environmental conditions, making it convenient for handling and storage. Its crystalline form is typical for compounds in this chemical class.

Melting point (Celsius)
138.00
Melting point (Kelvin)
411.15
Boiling point (Celsius)
310.00
Boiling point (Kelvin)
583.15
General information
Molecular weight
112.12g/mol
Molar mass
112.1160g/mol
Density
1.2370g/cm3
Appearence

3-Methyl-1,4-dihydropyrazol-5-one typically appears as a white or off-white crystalline powder. The compound is known for its stability and solubility in various organic solvents. It may appear slightly yellowish if impurities are present. Its crystalline nature makes it relatively easy to characterize and handle in laboratory settings.

Comment on solubility

Solubility of 3-Methyl-1,4-dihydropyrazol-5-one

The solubility characteristics of 3-methyl-1,4-dihydropyrazol-5-one can be quite intriguing due to its unique structural features. This compound generally exhibits a moderate level of solubility in various solvents, influenced by its functional groups and molecular interactions. Here are some key points regarding its solubility:

  • Polar Solvents: It tends to dissolve well in polar solvents, such as water and alcohols, benefitting from hydrogen bonding capabilities.
  • Non-Polar Solvents: Conversely, its solubility in non-polar solvents like hexane may be limited, as these solvents are less effective in stabilizing the molecular structure.
  • Temperature Influence: Like many organic compounds, solubility can also be affected by temperature; typically, increasing temperature enhances solubility in the majority of solvents.
  • pH Sensitivity: The solubility may also vary with changes in pH due to the potential ionization of the compound's functional groups.

It is often notable that the solubility of 3-methyl-1,4-dihydropyrazol-5-one can affect its reactivity and applications in various chemical processes. Understanding its solubility behavior is essential for effective utilization in laboratory experiments and formulations.

Interesting facts

Interesting Facts about 3-methyl-1,4-dihydropyrazol-5-one

3-methyl-1,4-dihydropyrazol-5-one, often referred to as a significant compound in organic chemistry, has several noteworthy features that make it an interesting subject of study.

  • Structure and Stability: The 1,4-dihydropyrazol framework offers unique stability and reactivity characteristics. This structure allows it to participate in various chemical reactions, including oxidation and reduction processes.
  • Versatile Applications: This compound is not just a laboratory curiosity. It is utilized in multiple fields, including:
    • Pharmaceuticals: 3-methyl-1,4-dihydropyrazol-5-one finds its place in drug synthesis, particularly in medications that target inflammatory diseases.
    • Agriculture: Certain derivatives show promise in herbicides and pesticides, making them valuable in protecting crops.
  • Reactivity: The compound can undergo various transformations, such as:
    1. Condensation reactions: These can lead to the formation of larger, more complex molecules.
    2. Hydrogenation: Its double bonds can be selectively reduced, modifying its functional properties.
  • Analytical Chemistry: 3-methyl-1,4-dihydropyrazol-5-one can serve as a precursor in the synthesis of other important compounds, making it valuable for chemical synthesis and analysis.

As a scientist or chemistry student, exploring the wide-ranging implications of 3-methyl-1,4-dihydropyrazol-5-one not only enhances your understanding of organic compounds but also opens doors to innovative applications in various industries. The intersection of chemistry with real-world applications exemplifies the importance of research and understanding in the ever-evolving field of science.

Synonyms
3-Methyl-2-pyrazolin-5-one
108-26-9
3-Methyl-5-pyrazolone
3-Methyl-1H-pyrazol-5(4H)-one
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-
3-methyl-1,4-dihydropyrazol-5-one
3-Methyl-pyrazolon-(5)
2-PYRAZOLIN-5-ONE, 3-METHYL-
2,4-Dihydro-5-methyl-3H-pyrazol-3-one
3-methyl-4,5-dihydro-1H-pyrazol-5-one
5-Methyl-2,4-dihydro-3H-pyrazol-3-one
NSC 4120
EINECS 203-565-3
BRN 0606503
UNII-P378M0497D
NSC4120
5-methyl-2,4-dihydropyrazol-3-one
MFCD00020699
DTXSID2051554
EC 203-565-3
NSC-4120
P378M0497D
3-Methyl-pyrazolon-(5) [German]
3Me5Oxopyrazol
3-methyl-2-pyrazoline-5-one
3-methyl-1H-pyrazoline-5-one
DTXCID6030106
AC8022
STL137537
AKOS003624833
AKOS025243276
AC-4810
CS-W013724
SY010796
DB-027098
5-Methyl-2,4-dihydro-3H-pyrazol-3-one #
M0491
NS00002624
EN300-16236
E83006
Q27286078
Z50145989
3-Methyl-5-pyrazolone, Lonza quality, 99.0-100.3% (w/w) (T)