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Trilaurin (C₃₉H₇₄O₆) is a saturated triglyceride composed of glycerol esterified with three lauric acid (C12) chains.
Key Properties:
White crystalline solid, melts at 46°C.
Insoluble in water; soluble in organic solvents.
Stable against oxidation.
Natural Sources:
Abundant in coconut oil (≈20%) and palm kernel oil.
Applications:
Food: Emulsifier in chocolate/fats, energy source.
Cosmetics: Skin-conditioning emollient in lotions.
Biotech: Substrate for lipase enzyme assays.
Industry: Biodegradable lubricant base.
Safety:
GRAS (Generally Recognized As Safe) by FDA.
Non-toxic, biodegradable.
| General Information of Trilaurin (CAS 538‑24‑9) | |
| Chemical Name | 1,2,3‑Tris(dodecanoyloxy)propane |
| CAS Number | 538‑24‑9 |
| Molecular Formula | C₃₉H₇₄O₆ |
| Molecular Weight | 639.0 g/mol |
| Appearance | White crystalline solid or powder |
| Melting Point | 46–47 °C |
| Solubility | Insoluble in water; soluble in organic solvents (ethanol, chloroform) |
| Oxidative Stability | High – resists rancidity |
| Natural Source | Coconut oil (≈20%), palm kernel oil, human breast milk |
| Regulatory Status | GRAS (FDA) |
| Purity | ≥ 99% |
| Moisture | ≤ 0.2% |
| Acid Value | ≤ 2.0 mg KOH/g |
| Safety | Non-toxic (GRAS status); biodegradable. |
Food Industry:
Emulsifier in chocolates/confectionery.
Fat substitute in low-calorie foods.
Cosmetics:
Emollient in creams/lotions (improves skin barrier).
Thickener for ointments.
Biochemical Research:
Model substrate for lipase enzyme studies.
Standard in lipid analytics (chromatography).
Industrial Lubricants:
Base for biodegradable greases.
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