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Salicylaldehyde

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Identification
Molecular formula
C7H6O2
CAS number
90-02-8
IUPAC name
2-Hydroxybenzaldehyde
State
State

Salicylaldehyde is a liquid at room temperature.

Melting point (Celsius)
-7.00
Melting point (Kelvin)
266.15
Boiling point (Celsius)
196.00
Boiling point (Kelvin)
469.15
General information
Molecular weight
122.12g/mol
Molar mass
122.1240g/mol
Density
1.1730g/cm3
Appearence

Salicylaldehyde appears as a colorless or pale yellow liquid with an almond-like odor. It may darken upon exposure to light and air. The consistency is typically viscous due to its aldehyde functional group.

Comment on solubility

Solubility of 2-Hydroxybenzaldehyde

2-Hydroxybenzaldehyde, also known as salicylaldehyde, showcases interesting solubility properties that make it a versatile compound in various applications. Here are some key insights regarding its solubility:

  • Solubility in Water: 2-Hydroxybenzaldehyde is moderately soluble in water, with a solubility of approximately 1.7 g/L at 20°C. This limited solubility can be attributed to its functional groups, where the hydroxyl (-OH) group can engage in hydrogen bonding with water molecules.
  • Solubility in Organic Solvents: This compound displays better solubility in organic solvents such as ethanol, ether, and chloroform. This characteristic makes it suitable for use in organic synthesis and various chemical reactions.
  • Influencing Factors: The solubility of 2-hydroxybenzaldehyde can be influenced by several factors including:
    • Temperature: Increased temperatures typically enhance solubility in both water and organic solvents.
    • pH Level: The ionization state of the compound can change with pH, which may affect its solubility characteristics.

In summary, while 2-hydroxybenzaldehyde is not highly soluble in water, it is more soluble in organic solvents, making it practical for various industrial and chemical applications. Understanding its solubility profile is essential for effective utilization in chemical processes.

Interesting facts

Interesting Facts about 2-Hydroxybenzaldehyde

2-Hydroxybenzaldehyde, commonly known as salicylaldehyde, is a fascinating aromatic compound that holds significant importance in both organic chemistry and various industrial applications. Here are some intriguing aspects worth noting:

  • Natural Occurrence: 2-Hydroxybenzaldehyde is naturally found in products like willow bark and can be identified in several essential oils. Its presence in nature highlights its potential in traditional medicine and natural therapies.
  • Versatile Synthetic Applications: The compound serves as a key intermediate in the synthesis of numerous pharmaceuticals, dyes, and fragrant compounds. It is particularly valuable in the preparation of salicylates, which are used in pain relief medications.
  • Flavor and Fragrance: 2-Hydroxybenzaldehyde is known for its distinct almond-like odor. This characteristic makes it a popular choice in perfumery and flavoring. It can provide a unique twist to various scents and culinary experiences.
  • Research Significance: Scientists are currently exploring the ability of this compound to act as a potential anti-inflammatory and antioxidant agent. Such research could lead to novel applications in pharmaceuticals and cosmetics.
  • Reactivity: The presence of both aldehyde and hydroxyl functional groups in its structure grants it unique reactivity patterns. This dual reactivity allows for various chemical reactions, including oxidation and condensation, making it an important building block in organic synthesis.

In conclusion, 2-Hydroxybenzaldehyde is much more than just a simple aromatic compound; it embodies a range of applications and potential. As researchers continue to uncover its properties and uses, we can expect to see its role expand across multiple fields, from medicine to environmental science.

Synonyms
Phenol-formaldehyde resin
Phenolic resin
PHENOL FORMALDEHYDE RESIN
Phenolformaldehyde foam
VIAM-B