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Pyridostigmine Bromide

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Identification
Molecular formula
C9H13BrN2O
CAS number
155-97-5
IUPAC name
[4-hydroxy-4-phenyl-4-(2-pyridyl)but-2-ynyl]-trimethyl-ammonium;bromide
State
State

Pyridostigmine Bromide is typically found in solid state at room temperature. It can also be processed into tablet or powder forms for medical use.

Melting point (Celsius)
153.00
Melting point (Kelvin)
426.00
Boiling point (Celsius)
290.00
Boiling point (Kelvin)
563.00
General information
Molecular weight
261.22g/mol
Molar mass
261.2150g/mol
Density
1.3400g/cm3
Appearence

Pyridostigmine Bromide typically appears as a white or off-white crystalline powder. It is hygroscopic, meaning it can absorb moisture from the environment, and is usually odorless.

Comment on solubility

Solubility of [4-hydroxy-4-phenyl-4-(2-pyridyl)but-2-ynyl]-trimethyl-ammonium bromide

The solubility of the compound [4-hydroxy-4-phenyl-4-(2-pyridyl)but-2-ynyl]-trimethyl-ammonium bromide is an intriguing aspect of its chemical behavior. Understanding its solubility can aid in various applications, particularly in medicinal chemistry and material science.

Factors Influencing Solubility

Several factors can influence the solubility of this ammonium salt:

  • Polarity: The presence of hydroxyl (-OH) and pyridyl (-C5H4N) groups increases polarity, enhancing solubility in polar solvents.
  • Ionic Character: As a salt, the bromide ion contributes to solubility in water through ion-dipole interactions.
  • Hydrogen Bonding: The hydroxyl group can participate in hydrogen bonding, which may further increase aqueous solubility.

Expected Solubility Behavior

Based on the structural features of this compound, it is expected to exhibit:

  • Good solubility in polar solvents such as water and alcohols.
  • Lower solubility in non-polar solvents due to the ionic nature of the compound.

In summary, the unique structural elements of [4-hydroxy-4-phenyl-4-(2-pyridyl)but-2-ynyl]-trimethyl-ammonium bromide suggest it is likely to be fairly soluble in polar environments, making it a compound of interest for various applications where solubility plays a crucial role.

Interesting facts

Interesting Facts about [4-hydroxy-4-phenyl-4-(2-pyridyl)but-2-ynyl]-trimethyl-ammonium; bromide

This compound, a quaternary ammonium salt, showcases a fascinating blend of organic chemistry and medicinal applications. Here are some engaging insights into its structure and functionalities:

  • Unique Structure: The presence of a pyridine ring alongside a butynyl group gives this compound intriguing electronic properties that can influence its reactivity and interaction with other molecules.
  • Potential Biological Activity: Due to its ammonium component, this compound may exhibit antimicrobial or antifungal properties, making it a point of interest in pharmaceutical research.
  • Versatile Reactivity: The hydroxyl and halogen functionalities provide multiple sites for potential chemical modifications, enabling further exploration into a wide range of derivatives.
  • Applications in Organic Synthesis: Compounds of this nature often serve as intermediates in synthesizing more complex molecules, proving to be valuable in various chemical reactions.
  • Solvothermal Synthesis: The method of synthesis could affect the crystalline structure of the compound, which is a notable consideration for scientists aiming to understand its properties in detail.

In conclusion, the compound [4-hydroxy-4-phenyl-4-(2-pyridyl)but-2-ynyl]-trimethyl-ammonium; bromide represents a remarkable intersection of organic synthesis and biological potential. Its varied functionalities allow chemists to explore new avenues in drug development and materials science, embodying the innovative spirit of modern chemistry.

Synonyms
2110-33-0
(4-Hydroxy-4-phenyl-4-(2-pyridyl)-2-butynyl)trimethylammonium bromide
DTXSID70943415
AMMONIUM, (4-HYDROXY-4-PHENYL-4-(2-PYRIDYL)-2-BUTYNYL)TRIMETHYL-, BROMIDE
4-Hydroxy-N,N,N-trimethyl-4-phenyl-4-(pyridin-2-yl)but-2-yn-1-aminium bromide