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Pentadecanal

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Identification
Molecular formula
C15H30O
CAS number
629-80-1
IUPAC name
pentadecanal
State
State

At room temperature, pentadecanal is in a solid state due to its relatively high melting point. It is typically handled in a solid form or dissolved in an appropriate solvent for industrial or laboratory use.

Melting point (Celsius)
43.00
Melting point (Kelvin)
316.15
Boiling point (Celsius)
288.00
Boiling point (Kelvin)
561.15
General information
Molecular weight
226.41g/mol
Molar mass
226.4070g/mol
Density
0.8262g/cm3
Appearence

Pentadecanal is a white or off-white crystalline solid. It can also appear as a powder or wax, and it has a strong, fatty odor reminiscent of waxy or fruity notes, usually characterized by its aldehyde group.

Comment on solubility

Solubility of Pentadecanal

Pentadecanal, a straight-chain aliphatic aldehyde with the formula C15H30O, exhibits interesting solubility properties that are influenced by its molecular structure. As an organic compound, its solubility can be characterized as follows:

  • In Water: Pentadecanal has very low solubility in water due to its long hydrocarbon chain which increases hydrophobicity, making interaction with polar water molecules less favorable.
  • In Organic Solvents: Conversely, it is significantly soluble in non-polar or weakly polar organic solvents, such as hexane or ether. This is attributed to the non-polar nature of its hydrocarbon backbone.
  • Influence of Temperature: Solubility can also vary with temperature; typically, an increase in temperature leads to a higher solubility in organic solvents as molecular interactions are enhanced.

In summary, the solubility of pentadecanal reflects the classic principles of solubility based on polarity, demonstrating that :

"Like dissolves like."

This principle highlights its limited solubility in polar solvents, such as water, while showcasing its compatibility with non-polar solvents. Understanding these properties is crucial for applications in chemical synthesis and formulation design.

Interesting facts

Pentadecanal: An Overview

Pentadecanal is a fascinating compound belonging to the class of fatty aldehydes. Derived from the oxidation of long-chain fatty acids, this compound holds significance in both nature and industry. Here are some interesting facts about it:

1. Natural Occurrence

  • Animal Sources: Pentadecanal can be found in various animal fats, contributing to their distinctive odours.
  • Plant Sources: Certain plants, such as some species of Hippophae, also produce pentadecanal naturally.

2. Aroma and Scent

Pentadecanal has a unique aromatic profile. It is known for its fatty and fruity scent, often described as pleasant and sweet. This property makes it valuable in the:

  • Fragrance industry, where it is used in perfumes and scented products.
  • Food industry, where it plays a role in flavoring compounds.

3. Biological Importance

This compound's long carbon chain structure allows it to participate in various biochemical processes. It can act as:

  • A signaling molecule in cellular communication.
  • A precursor in the biosynthesis of other vital compounds in living organisms.

4. Industrial Applications

Pentadecanal is not just limited to natural and biological contexts. It also has practical applications:

  • Used in the synthesis of aldehyde and alcohol derivatives.
  • In production processes for polymers and surfactants.

5. Research and Development

Scientists are actively researching the potential applications of pentadecanal in various fields:

  • Pharmaceuticals: Investigating its potential use in drug design and development.
  • Agriculture: Exploring its properties for use in pest repellents and as a natural pesticide.

In conclusion, pentadecanal is more than just a simple fatty aldehyde. Its natural occurrence, aroma, biological significance, industrial applications, and ongoing research into its capabilities make it a compound worth studying. As a scientist or student, understanding pentadecanal opens doors to both fundamental chemistry and real-world applications.

Synonyms
PENTADECANAL
2765-11-9
1-pentadecanal
Pentadecanal-
pentadecaldehyde
PXR39QX5Q7
UNII-PXR39QX5Q7
DTXSID5062633
CHEBI:17302
EINECS 220-435-1
DTXCID7037715
220-435-1
xgqjzncfdlxsij-uhfffaoysa-n
n-pentadecanal
Pentadecanaldehyde
Pentadecyl Aldehyde
pentadecan-15-one
MFCD12911660
SCHEMBL120108
QSPL 086
CHEMBL5410059
STR09264
LMFA06000083
AKOS013844767
CS-W004304
NS00049092
P1869
C01948
Q27102309