Essentially odorless — a light, neutral oily character at most. Squalene is a hydrocarbon emollient used as a fixative or diluent rather than for its scent, contributing weight and slowing evaporation without adding olfactory notes.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 1266.
Almost colorless oily liquid.
Insoluble in water, poorly soluble in alcohol. Soluble in most oils.
Mild, pleasant, soft-oily odor, normally without any trace of rancid note.
Squalene as such is not used in perfumes, except in occasional applications as a fixative.
1) from Farnesol via Farnesyl bromide, and with Magnesium to the title hydrocarbon. 2) by isolation from the unsaponifiable portion of the liver oil from certain sharks and other fish. It is the main component of the unsaponifiable fraction of shark liver oil. The material appears thus as a by-product in the isolation of natural Vitamin A. 3) Squalene is present in smaller amounts in yeast and in the human skin tallow, but only methods No. 1 and 2 have practical importance.