Beta-Naphthol Ethyl Ether (Nerolin Yara-Yara) is a crystalline aromachemical with a sweet, powerful neroli/orange-blossom character tinged with a faint fruity-strawberry facet. In dilution it reads clean, slightly powdery and old-school floral, and it was historically used to give body to soliflore neroli and white-floral bases.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 995.
White, shiny crystals or leaflets.
Insoluble in water; soluble in alcohol and oils, poorly soluble in propylene glycol.
Its soft, floral and very tenacious Neroli-note is appreciated by most perfumers who have used it, while it may take some convincing to overcome the resistance of first-time users, because of the apparent harshness of the pure chemical.
In extreme dilution, the flavor is mainly fruity, sweet and grape-strawberry-like.
This ether is one of the two conventional Nerolins in perfumery use. It is used frequently with Methylnaphthyl ketone, Methylanthranilate, Petitgrain oil, etc. and it blends very well with Linalool and esters, Terpineol and esters, iso-Butylphenylacetate, traces of Undecanolide, etc.
The title ether is used in trace amounts in flavor compositions, mainly in fruit complexes, berry compositions, honey and nut imitations, etc.
1) from beta-Naphthol and Ethylalcohol with sulfuric acid. 2) from beta-Naphtholsodium in weak aqueous alkali with Diethylsulfate. 3) from beta-Naphtholsodium and Ethylbromide.