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Pyridinium N-oxide

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Identification
Molecular formula
C5H5NO
CAS number
694-59-7
IUPAC name
1-oxidopyridin-1-ium
State
State

At room temperature, Pyridinium N-oxide is in a solid state, typically appearing as a crystalline or powdered substance.

Melting point (Celsius)
64.00
Melting point (Kelvin)
337.15
Boiling point (Celsius)
416.50
Boiling point (Kelvin)
689.65
General information
Molecular weight
95.10g/mol
Molar mass
95.1040g/mol
Density
1.0409g/cm3
Appearence

Pyridinium N-oxide is a colorless crystalline solid that can also be found in powder form. When pure, it is usually transparent or white in color, though impurities may cause slight discoloration.

Comment on solubility

Solubility of 1-oxidopyridin-1-ium

The solubility characteristics of 1-oxidopyridin-1-ium are intriguing and have important implications in various chemical processes. This compound, with its unique structure, often exhibits variable solubility depending on its environment. Here are some key points regarding its solubility:

  • Polar Solvents: 1-oxidopyridin-1-ium tends to be quite soluble in polar solvents such as water and alcohols due to its ability to interact through hydrogen bonding.
  • Non-Polar Solvents: In contrast, its solubility in non-polar solvents is generally low. This is a common characteristic for many pyridine derivatives, as they often require a polar environment to dissolve effectively.
  • Temperature Dependence: The solubility can also be temperature-sensitive; increasing the temperature may enhance solubility in some solvents, while in others, it might not exhibit significant changes.
  • pH Influence: The ionization state of 1-oxidopyridin-1-ium can change with pH, further affecting its solubility. In acidic conditions, it may become more soluble compared to neutral or basic conditions.

As a result, understanding the solubility of 1-oxidopyridin-1-ium is essential when considering its application in fields like pharmaceuticals and materials science. The compound's interactions in various mediums can dictate its utility, highlighting the necessity for thorough solubility assessments.

Interesting facts

Interesting Facts about 1-Oxidopyridin-1-ium

1-Oxidopyridin-1-ium is a fascinating compound with a unique set of characteristics that capture the interest of chemists and researchers alike. Here are some key points:

  • Structure and Composition: This compound features a pyridine ring with a positive charge due to the presence of an oxidized nitrogen atom. The unique arrangement results in distinct electronic properties, making it a point of interest in organic chemistry.
  • Diverse Applications: 1-Oxidopyridin-1-ium derivatives have potential applications in various fields, including:
    • Catalysis: They can serve as effective intermediates in organic synthesis, promoting reactions that would otherwise be challenging.
    • Biological Activity: Some derivatives exhibit biological significance, potentially acting as antimicrobial or anticancer agents.
  • Reaction Mechanisms: Understanding the reactivity of 1-oxidopyridin-1-ium is crucial, as it participates in diverse reaction mechanisms, including nucleophilic substitution and electrophilic aromatic substitution.
  • Ionization: This compound can form various ionized forms under different conditions, providing a rich ground for studying its behavior in different mediums.
  • Research Interests: Ongoing research explores its role in:
    • Agricultural Chemistry: Investigating its potential use in developing agrochemicals.
    • Material Science: Studying its properties for potential use in designing novel materials.

In summary, 1-oxidopyridin-1-ium stands out due to its intriguing chemical structure, versatility in applications, and relevance in ongoing scientific research. As interest in this compound continues to grow, it promises to contribute significantly to advancements in both organic synthesis and medicinal chemistry.

Synonyms
Pyridine-N-oxide
PYRIDINE N-OXIDE
Pyridine 1-oxide
Pyridine, 1-oxide
Pyridine-1-oxide
PY N-oxide
EINECS 211-774-6
UNII-91F12JJJ4H
NSC 18250
91F12JJJ4H
CHEBI:29136
AI3-60066
NSC-18250
PYRIDINE 1-OXIDE [MI]
DTXSID3061007
PyridineNoxide
Pyridine Noxide
Pyridine, 1oxide
DTXCID9046499
13520-96-2
ilvxobcqqyklds-uhfffaoysa-n
694-59-7
Pyridine oxide
1-oxidopyridin-1-ium
pyridin-1-ium-1-olate
MFCD00006194
pyridineoxide
pyridine-oxide
1-oxidePyridine
1-oxido-pyridin-1-ium
Pyridine N-oxide, 95%
1-oxidanidylpyridin-1-ium
CHEMBL3278446
BCP10416
NSC18250
STR00435
STL283924
AKOS015833456
CS-W001230
SB52274
BP-30184
SY112170
DB-000347
NS00021334
P0557
F20317
EN300-1696783
10.14272/ILVXOBCQQYKLDS-UHFFFAOYSA-N.1
A836503
AC-907/25014058
Q287787
doi:10.14272/ILVXOBCQQYKLDS-UHFFFAOYSA-N.1
F0001-1803