Isodecyl pelargonate
[CAS# 109-32-0]

Identification

• Classification: Flavors and spices >> Synthetic spice >> Carboxylic acid and ester perfume >> Aliphatic carboxylate
• Name: Isodecyl pelargonate
• Synonyms: 8-Methylnonyl nonan-1-oate; Nonanoic acid 8-methylnonyl ester
• Molecular Formula: C₁₉H₃₈O₂
• Molecular Weight: 298.50
• CAS Registry Number: 109-32-0
• EC Number: 203-665-7
• SMILES: CCCCCCCCC(=O)OCCCCCCCC(C)C

Properties

• Density: 0.9±0.1 g/cm³, Calc.^*
• Index of Refraction: 1.443, Calc.^*
• Boiling Point: 340.7±10.0 °C (760 mmHg), Calc.^*
• Flash Point: 162.2±8.8 °C, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software.

Safety Data

• Hazard Symbols: GHS07 Warning
• Risk Statements: H317-H319
• Safety Statements: P280-P305+P351+P338

Discovery and Applications

Isodecyl pelargonate, a chemical compound with the molecular formula C20H40O2, belongs to the ester family. Its discovery can be traced back to the exploration of various fatty acid esters and their potential applications in industrial and commercial sectors. Isodecyl pelargonate is synthesized through the esterification reaction of pelargonic acid with isodecyl alcohol. This process was likely developed as part of research aimed at creating esters with specific chemical properties, such as solubility, volatility, and stability.

Isodecyl pelargonate is commonly used in cosmetics and personal care products as an emollient and skin-conditioning agent. Its lightweight and non-greasy texture make it suitable for use in moisturizers, lotions, creams, and sunscreens. Isodecyl pelargonate helps to soften and smooth the skin, providing a luxurious feel without leaving a heavy residue.

In the industrial sector, isodecyl pelargonate serves as a lubricant additive, enhancing the performance of lubricating oils and greases. Its excellent lubricity and thermal stability make it suitable for use in high-temperature applications, such as metalworking, automotive, and machinery lubrication. Isodecyl pelargonate forms a protective film on metal surfaces, reducing friction and wear, and extending the lifespan of moving parts.

Isodecyl pelargonate is utilized as a processing aid in polymer manufacturing and processing. It acts as a plasticizer, improving the flexibility, durability, and processability of polymers such as polyvinyl chloride (PVC), polyethylene, and polypropylene. Isodecyl pelargonate helps to reduce the melt viscosity of polymers, facilitating their extrusion, molding, and shaping processes.

In the paints and coatings industry, isodecyl pelargonate functions as a solvent and film-forming agent. It is used in solvent-based coatings, varnishes, and printing inks to improve their flow, leveling, and adhesion properties. Its low volatility and compatibility with other paint components make it a valuable ingredient for formulating high-quality coatings with excellent performance characteristics.

Isodecyl pelargonate may be used as a plasticizer in food contact materials such as packaging films, coatings, and adhesives. It helps improve the flexibility and processability of food packaging materials while ensuring they meet regulatory requirements for food safety.

References

2020. Fatigue crack propagation behaviour of carboxyl-terminated polybutadiene solid rocket propellants. International Journal of Fracture.
DOI: 10.1007/s10704-020-00435-5

2012. Energetic plasticizers for gun & rocket propellants. Reviews and Advances in Chemistry.
DOI: 10.1134/s207997801203003x