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4-nitro-1H-pyrazole

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Identification
Molecular formula
C3H3N3O2
CAS number
20742-12-7
IUPAC name
4-nitro-1H-pyrazole
State
State

At room temperature, 4-nitro-1H-pyrazole is generally in a solid state, presenting as a crystalline powder. It is stable under standard conditions but should be handled with care due to its chemical reactivity.

Melting point (Celsius)
122.00
Melting point (Kelvin)
395.15
Boiling point (Celsius)
290.30
Boiling point (Kelvin)
563.45
General information
Molecular weight
113.08g/mol
Molar mass
113.0860g/mol
Density
1.6260g/cm3
Appearence

4-Nitro-1H-pyrazole is a crystalline solid that typically appears as a yellow powder or crystalline material. Due to the presence of the nitro group, it may also have a pale yellow or off-white appearance depending on purity and form.

Comment on solubility

Solubility of 4-nitro-1H-pyrazole

4-nitro-1H-pyrazole, an organic compound with interesting chemical properties, exhibits variable solubility characteristics depending on the solvent used. Here’s what you need to know:

  • Water Solubility: 4-nitro-1H-pyrazole demonstrates limited solubility in water. This is primarily due to its hydrophobic pyrazole ring and the presence of the nitro group, which can engage in intermolecular interactions with other non-polar molecules but hinders solvation in polar solvents.
  • Organic Solvents: In contrast, this compound is more soluble in organic solvents such as ethanol, acetone, and chloroform. Its ability to dissolve well in these solvents can be attributed to similar polarities and hydrophobic interactions.
  • Temperature Effects: Increasing the temperature may enhance solubility, particularly in organic solvents, due to increased kinetic energy facilitating dissolution.

In summary, 4-nitro-1H-pyrazole is sparingly soluble in water but finds better solvation in various organic solvents, making it versatile for different chemical applications. Understanding these solubility trends is crucial for its effective use in laboratory settings and industrial contexts.

Interesting facts

Interesting Facts About 4-Nitro-1H-Pyrazole

4-Nitro-1H-pyrazole is a fascinating compound that has garnered interest for its unique chemical properties and applications. Here are some key points that highlight its significance:

  • Structure and Stability: The presence of a nitro group (–NO2) in the 4-position of the pyrazole ring contributes to the compound's stability and reactivity, making it a valuable building block in organic synthesis.
  • Biological Activity: This compound has shown promising biological activities, including antifungal and antibacterial properties. Its potential use in pharmaceuticals is an area of active research.
  • Role in Agriculture: 4-Nitro-1H-pyrazole is also being explored in agricultural sciences, as it can be used as a precursor to synthesize agrochemicals that help in pest control.
  • Research Tool: As a synthetic intermediate, it serves as a crucial reagent in various chemical processes, providing scientists with a tool to create more complex molecules.

Overall, 4-nitro-1H-pyrazole is not just a compound with a distinct chemical structure; it is a versatile substance with a wide range of applications in chemistry and beyond. As research continues, it may open new pathways in both medicinal and agricultural chemistry.

In the words of one chemist, “The exploration of compounds like 4-nitro-1H-pyrazole is essential for innovation in both medicine and agriculture, blending chemistry with real-world applications.”

Synonyms
4-Nitro-1H-pyrazole
4-Nitropyrazole
629-226-3
2075-46-9
1H-Pyrazole, 4-nitro-
PYRAZOLE, 4-NITRO-
MFCD00159626
4-nitropyrazol
4-NITROPYRRAZOLE
4-NO2-pyrazole
4-nitro-1H-pyrazol
4-nitro-1-H-pyrazole
4-Nitro-1H-pyrazole #
SCHEMBL163689
4-Nitro-1H-pyrazole, 97%
DTXSID10174827
ALBB-004465
BCP26162
STK263689
AKOS000304521
AKOS015921872
AB04175
AC-4814
CS-W002458
HY-W002458
NB-0818
SB35228
SY005156
DB-012171
N0862
4-Nitro-1H-pyrazole;1H-Pyrazole, 4-nitro-
EN300-30405
AF-625/00306041
F2147-0932
Z235361263
76216-85-8