Fragrance ingredient reference pages
Sweet · Citrus Butyl isobutyrate CAS 97-87-0 Origin synthetic Note Top IFRA Generally safe Data as of: Apr 2026 What Is Butyl isobutyrate? Butyl isobutyrate is a fruity-smelling synthetic compound commonly used in food flavorings and perfumes. You’ll encounter it in artificial fruit flavors like apple and pineapple, as well as in fresh, uplifting fragrances….
Sweet · Woody Birch, sweet, oil CAS 68917-50-0 Origin natural Note Top to middle IFRA Use with awareness Data as of: Apr 2026 What Is Birch, sweet, oil? Sweet birch oil is a natural essential oil distilled from the bark of the sweet birch tree (Betula lenta). People encounter it in root beer flavored products,…
Balsamic · Woody 6-Methylquinoline CAS 91-62-3 Origin synthetic Note Base IFRA Use with awareness Data as of: Apr 2026 What Is 6-Methylquinoline? 6-Methylquinoline is a synthetic aromatic compound primarily used in niche perfumery. It’s encountered in sophisticated fragrances seeking a leathery or tobacco-like character. This ingredient matters because it adds complexity and depth to masculine…
Musky · Woody 2-Methylundecanal CAS 110-41-8 Origin synthetic Note Base IFRA Generally safe Data as of: Apr 2026 What Is 2-Methylundecanal? 2-Methylundecanal is a synthetic fragrance ingredient with a powerful, animalic musk scent. You’ll find it in perfumes, especially those aiming for sensual or luxurious effects. This molecule matters because it creates depth in fragrances,…
Sweet · Floral 2-Ethyl-1-hexanol CAS 104-76-7 Origin synthetic Note Base IFRA Generally safe Data as of: Apr 2026 What Is 2-Ethyl-1-hexanol? 2-Ethyl-1-hexanol is a synthetic alcohol used as a fixative in perfumes and a precursor for plasticizers. It’s found in some cosmetics and industrial products. While not a dominant fragrance note itself, it helps stabilize…
Sweet · Citrus 2-Ethyl-1-butanol CAS 97-95-0 Origin synthetic Note Base IFRA Generally safe Data as of: Apr 2026 What Is 2-Ethyl-1-butanol? 2-Ethyl-1-butanol is a synthetic alcohol used as a solvent and fragrance ingredient. You might encounter it in cleaning products, industrial applications, or as a subtle component in perfumes. This ingredient matters because it contributes…
Floral · Sweet (E)-.beta.-Ionone CAS 79-77-6 Origin synthetic Note Heart IFRA Generally safe Data as of: Apr 2026 What Is (E)-.beta.-Ionone? (E)-β-Ionone is a synthetic fragrance ingredient with a rich, woody-violet aroma. It’s commonly found in perfumes, soaps, and candles. This compound is prized for its ability to enhance floral and fruity notes while adding…
Floral · Sweet o-Phenyl anisole CAS 86-26-0 Origin synthetic Note Top to Heart IFRA Generally safe Data as of: Apr 2026 What Is o-Phenyl anisole? o-Phenyl anisole is a synthetic aromatic compound used in perfumery. It is commonly found in fragrances that require a sweet, floral, and slightly spicy character. This ingredient matters because it…
Woody · Green l-.alpha.-Pinene CAS 7785-26-4 Origin synthetic Note Top IFRA Generally safe Data as of: Apr 2026 What Is l-.alpha.-Pinene? α-Pinene is a natural compound found in pine trees and many other plants. It’s what gives pine forests their fresh, resinous scent. You encounter it in cleaning products, air fresheners, and some perfumes. This…
Green · Woody d-.alpha.-Pinene CAS 7785-70-8 Origin synthetic Note Top IFRA Generally safe Data as of: Apr 2026 What Is d-.alpha.-Pinene? d-α-Pinene is a crisp, pine-scented molecule found naturally in conifer trees and citrus peels. You encounter it in pine-scented cleaners, forest-inspired perfumes, and some gin botanicals. This fresh terpene creates an instant ‘forest walk’…
