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CAS number 555-45-3 YesY
PubChem 11148
UNII 18L31PSR28 YesY
Jmol-3D images Image 1
Molecular formula C45H86O6
Molar mass 723.16 g mol−1
Density 0.885 g/cm3 at 60 °C
Melting point 56 to 57 °C (133 to 135 °F; 329 to 330 K)
Boiling point 311 °C (592 °F; 584 K)
Solubility in water Insoluble
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
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Infobox references

Trimyristin is an ester with the chemical formula C45H86O6. It is a saturated fat which is the triglyceride of myristic acid. Trimyristin is found naturally in many vegetable fats and oils. Trimyristin is a white to yellowish-gray solid that is insoluble in water, but soluble in ethanol, benzene, chloroform, dichloromethane, and ether.

The isolation of trimyristin from powdered nutmeg is a common introductory-level college organic chemistry experiment. It is an uncommonly simple natural product extraction because nutmeg oil generally consists of over eighty percent trimyristin. Trimyristin makes up between 20-25% of the overall mass of dried, ground nutmeg. Separation is generally carried out by steam distillation and purification uses extraction from ether followed by distillation or rotary evaporation to remove the volatile solvent. The extraction of trimyristin can also be done with diethyl ether at room temperature, due to its high solubility in the ether. The experiment is frequently included in curricula, both for its relative ease and to provide instruction in these techniques.

See also[edit]


  1. ^ Merck Index, 11th Edition, 9638.