Overview
Trilinolenin (CAS 537-40-6 ), also known as Trilinolein, is the triglyceride form of linoleic acid, a naturally occurring lipid found in plant-derived oils. It functions as an emollient, carrier, and emulsifier across cosmetic, pharmaceutical, and food applications.
In personal care formulations, it supports skin barrier function and acts as a lightweight carrier for active ingredients in serums, creams, and oils. Pharmaceutical manufacturers use it as a lipid excipient in soft gel encapsulation.
It is frequently utilized in lipid-based drug delivery systems where controlled release and biocompatibility are priorities. In food applications, it serves as a reference standard and functional lipid component in nutritional research.
The material is also used in specialty fat formulations. Cosmetic chemists incorporate it into emulsified systems where a linoleic-rich triglyceride profile is required for specific formulation differentiation and performance.
Trilinolenin is typically supplied as a liquid oil at ambient temperature. It is available in research-grade and high-purity analytical grades, commonly used as a reference standard in lipid profiling and quality control workflows.
Food-grade and cosmetic-grade material is sourced in bulk for formulators requiring defined fatty acid triglyceride composition. This ensures consistency across various industrial applications and high-volume manufacturing processes.
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Physical Properties
| Melting Point | -12.7 °C |
| Boiling Point | 816.5±65.0 °C(Predicted) |
| Density | 0.9287 g/cm³ @ Temp: 18 °C |
| Color | Colourless to Pale Yellow |
| Form | liquid |
| Refractive Index | n 20/D 1.479 |
| Log P | 22.158 (est) |
Trade & Regulatory
| HS Code | 1302190200 |
| Storage Class | 10 - Combustible liquids |
Other Names
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Chemical Properties
- CAS Number
- 537-40-6
- EC Number
- 208-666-6
- Mol. Weight
- 879.4
- HS Code
- 1302190200
- Category
- Oils, Fats & Waxes