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Lecithin

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Identification
Molecular formula
C20H43NO4
CAS number
8002-43-5
IUPAC name
(3-carboxy-2-pentadecanoyloxy-propyl)-trimethyl-ammonium
State
State

At room temperature, lecithin is typically found in a solid waxy state when it is in pure form. In its commercial use, it is often presented as a liquid due to the presence of more lipids in its composition, making it more versatile for applications in food and industrial uses.

Melting point (Celsius)
-20.00
Melting point (Kelvin)
253.00
Boiling point (Celsius)
300.00
Boiling point (Kelvin)
573.00
General information
Molecular weight
518.63g/mol
Molar mass
518.0000g/mol
Density
1.0300g/cm3
Appearence

Lecithin is a waxy, hygroscopic substance that can appear as a white or light yellow-brown powder. It can also be available in liquid form, which tends to be a more viscous fluid that ranges in color from yellow to brown. The appearance can depend on its purity and form—whether as a dry powder or as a liquid or semi-liquid mixture. Lecithin in its natural state tends to have a slight pleasant odor.

Comment on solubility

Solubility of (3-carboxy-2-pentadecanoyloxy-propyl)-trimethyl-ammonium (C20H43NO4)

The solubility of the compound (3-carboxy-2-pentadecanoyloxy-propyl)-trimethyl-ammonium is influenced by several factors due to its unique structure. Given its molecular features, the solubility characteristics can be summarized as follows:

  • Ammonium Group: The presence of the trimethylammonium moiety imparts some hydrophilicity to the compound, which can enhance its solubility in polar solvents.
  • Carboxylic Acid: The carboxyl group (-COOH) is known to increase solubility in water due to hydrogen bonding capabilities, allowing the compound to interact favorably with water molecules.
  • Hydrophobic Chain: The long alkyl chain (pentadecanoyl) introduces hydrophobic characteristics, which can hinder solubility in water and limit its applicability in aqueous environments.

As a result, the compound is expected to display:

  1. Moderate solubility in aqueous solutions, especially when the pH facilitates deprotonation of the carboxylic group.
  2. Higher solubility in organic solvents that can accommodate long-chain alkyl groups such as hexane or toluene.

In conclusion, the solubility behavior of (3-carboxy-2-pentadecanoyloxy-propyl)-trimethyl-ammonium is a balance between its hydrophilic and hydrophobic regions, making it versatile in a range of solvents but with limitations based on its alkyl chain length. Understanding these solubility parameters is crucial for applications in pharmaceuticals and biochemistry.

Interesting facts

Interesting Facts About (3-carboxy-2-pentadecanoyloxy-propyl)-trimethyl-ammonium

(3-carboxy-2-pentadecanoyloxy-propyl)-trimethyl-ammonium is a unique compound that exhibits interesting properties, primarily due to its amphiphilic nature, which is an essential characteristic in various biological and chemical applications. Below are several notable points about this compound:

  • Amphiphilic Structure: The compound contains both hydrophilic and hydrophobic parts, which makes it an effective surfactant. This property allows it to reduce the surface tension between liquids, making it useful in formulations of emulsifiers and detergents.
  • Biological Activity: Because of its structure, this compound may play a role in cellular processes, particularly in membrane formation and stability. Surfactants are known to facilitate the transport of nutrients and drugs across biological membranes.
  • Potential Applications: It could be utilized in various fields such as:
    • Drug delivery systems
    • Biotechnology research
    • Cosmetic formulations
  • Environmental Impact: Investigating the environmental behavior of such compounds can shed light on their biodegradability and impact on aquatic ecosystems. Surfactants can have significant effects on water quality.
  • Research Opportunities: The complex structure of this compound presents ample opportunities for researchers. Investigating its interactions with biological membranes can lead to advancements in drug design and therapeutic methods.

Overall, the study of (3-carboxy-2-pentadecanoyloxy-propyl)-trimethyl-ammonium not only enhances our understanding of surfactants but can also pave the way for innovative applications in pharmaceuticals and environmental science, highlighting the compound's significance in both scientific and industrial settings.

Synonyms
ACar 15:0
CHEBI:190551
CAR 15:0
(3-carboxy-2-pentadecanoyloxypropyl)-trimethylazanium