Fragrance ingredient reference pages
Citrus · Woody Nootkatone CAS 4674-50-4 Origin synthetic Note Top to Heart IFRA Generally safe Data as of: Apr 2026 What Is Nootkatone? Nootkatone is a rare aromatic compound that gives grapefruit its distinctive citrusy-woody scent. While found naturally in grapefruit peel and Alaskan yellow cedar, most fragrance applications use the synthetic version. It’s encountered…
Floral · Citrus Nonyl alcohol CAS 0143-08-08 Origin synthetic Note Middle IFRA Generally safe Data as of: Apr 2026 What Is Nonyl alcohol? Nonyl alcohol is a synthetic fragrance ingredient used as a modifier in perfumes and functional products. It adds subtle floral and citrus nuances. Commonly found in laundry detergents, soaps, and some perfumes…
Sweet · Citrus Nonyl acetate CAS 143-13-5 Origin synthetic Note Top IFRA Generally safe Data as of: Apr 2026 What Is Nonyl acetate? Nonyl acetate is a synthetic ester used in perfumery for its fruity, slightly floral aroma reminiscent of pear and citrus. It’s commonly found in household products like air fresheners and cleaning agents….
Green · Woody Nonen acid nitrile CAS 29127-83-1 Origin synthetic Note Top to middle IFRA Generally safe Data as of: Apr 2026 What Is Nonen acid nitrile? Nonen acid nitrile is a synthetic fragrance ingredient used in modern perfumery. It contributes green, fresh, and slightly metallic nuances to fragrances. This ingredient is found in some…
Musky · Balsamic Nonanoic acid CAS 112-05-0 Origin synthetic Note Middle to Base IFRA Use with awareness Data as of: Apr 2026 What Is Nonanoic acid? Nonanoic acid is a fatty acid found naturally in some plants and dairy products. It’s also synthetically produced for use in perfumes and flavorings. This ingredient contributes a distinctive…
Green · Woody Nonanediyl diacetate CAS 39864-15-8 Origin synthetic Note Base IFRA Generally safe Data as of: Apr 2026 What Is Nonanediyl diacetate? Nonanediyl diacetate is a synthetic fragrance ingredient used in perfumes and scented products. It’s a laboratory-created compound that contributes to complex scent profiles. This ingredient matters because it helps perfumers create long-lasting,…
Woody · Green Nonane, 1,1-diethoxy- CAS 54815-13-3 Origin synthetic Note Middle IFRA Use with awareness Data as of: Apr 2026 What Is Nonane, 1,1-diethoxy-? Nonane, 1,1-diethoxy- is a synthetic fragrance ingredient used in perfumery to add unique aromatic qualities. It is not commonly encountered in everyday products but may appear in niche or experimental fragrances….
Woody · Citrus Nonane CAS 111-84-2 Origin synthetic Note Top IFRA Use with awareness Data as of: Apr 2026 What Is Nonane? Nonane is a synthetic hydrocarbon solvent rarely encountered directly by consumers, but sometimes used in fragrance bases and industrial applications. It’s a component of some petroleum-derived products. While not a primary fragrance ingredient,…
Woody · Citrus Nonadecane CAS 629-92-5 Origin synthetic Note Base IFRA Generally safe Data as of: Apr 2026 What Is Nonadecane? Nonadecane is a synthetic hydrocarbon rarely encountered in consumer products. It’s primarily used in industrial applications and specialized fragrance formulations. While not a common scent ingredient, it serves as a subtle fixative in some…
Green · Floral Nona-2-trans-6-cis-dienal CAS 557-48-2 Origin synthetic Note Top to middle IFRA Generally safe Data as of: Apr 2026 What Is Nona-2-trans-6-cis-dienal? Nona-2-trans-6-cis-dienal is a synthetic fragrance ingredient used to add fresh, green, and slightly metallic nuances to perfumes. It’s found in high-end fragrances seeking a crisp, modern edge. This aldehyde contributes to contemporary…
