Fragrance ingredient reference pages
Woody · Spicy 2,5-Xylenol CAS 95-87-4 Origin synthetic Note Middle IFRA Use with awareness Data as of: Apr 2026 What Is 2,5-Xylenol? 2,5-Xylenol is a synthetic organic compound used in fragrances and industrial applications. It has a phenolic odor profile often described as medicinal or smoky. Consumers may encounter it in niche perfumes or disinfectant…
Woody · Balsamic 2,4-Xylenol CAS 105-67-9 Origin synthetic Note Middle IFRA Professional use Data as of: Apr 2026 What Is 2,4-Xylenol? 2,4-Xylenol is a synthetic aromatic compound primarily used in industrial applications and some niche fragrances. It’s encountered in disinfectants, resins, and occasionally as a minor component in smoky or medicinal scents. This phenol derivative…
Sweet · Citrus 2,4-Hexadienyl isobutyrate CAS 16491-24-0 Origin synthetic Note Top to middle IFRA Generally safe Data as of: Apr 2026 What Is 2,4-Hexadienyl isobutyrate? 2,4-Hexadienyl isobutyrate is a synthetic fragrance ingredient used to add fruity, tropical notes to perfumes and scented products. It’s commonly found in body sprays, air fresheners, and tropical-themed fragrances. This…
Sweet · Green 2,3-Hexanedione CAS 3848-24-6 Origin synthetic Note Heart IFRA Generally safe Data as of: Apr 2026 What Is 2,3-Hexanedione? 2,3-Hexanedione is a synthetic aroma chemical used to create buttery, creamy notes in fragrances and flavors. You’ll encounter it in dairy-forward perfumes and some gourmand scents. This molecule matters because it delivers authentic butter-like…
Sweet · Balsamic 2,3-Heptanedione CAS 96-04-8 Origin synthetic Note Top IFRA Use with awareness Data as of: Apr 2026 What Is 2,3-Heptanedione? 2,3-Heptanedione is a synthetic aroma compound used to create buttery, creamy notes in food flavorings and some fragrances. You’ll encounter it in dairy replacers, baked goods, and occasionally in gourmand perfumes. While not…
Citrus · Floral 2,2',4,4'-Tetrahydroxybenzophenone CAS 131-55-5 Origin synthetic Note N/A IFRA Professional use Data as of: Apr 2026 What Is 2,2',4,4'-Tetrahydroxybenzophenone? 2,2′,4,4′-Tetrahydroxybenzophenone is a synthetic chemical primarily used in industrial applications such as UV stabilizers for plastics and coatings. While not commonly found in consumer fragrances, it may appear in some specialty formulations. This ingredient…
Green · Woody 2,12-Tridecadienenitrile, (2E) CAS 124071-40-5 Origin synthetic Note Top to Middle IFRA Generally safe Data as of: Apr 2026 What Is 2,12-Tridecadienenitrile, (2E)? 2,12-Tridecadienenitrile is a synthetic fragrance ingredient used in perfumes and personal care products. It contributes to fresh, green, and slightly woody scent profiles. This ingredient matters because it helps create…
Woody · Green 2,10-Epoxypinane CAS 6931-54-0 Origin synthetic Note Top to Middle IFRA Generally safe Data as of: Apr 2026 What Is 2,10-Epoxypinane? 2,10-Epoxypinane is a synthetic fragrance ingredient used in modern perfumery to add woody, pine-like nuances. It’s found in air fresheners and masculine colognes. This molecule matters because it provides a clean, outdoorsy…
Woody · Green 2(10)-Pinen-3-ol CAS 5947-36-4 Origin synthetic Note Top to middle IFRA Generally safe Data as of: Apr 2026 What Is 2(10)-Pinen-3-ol? 2(10)-Pinen-3-ol is a synthetic pine-derived fragrance ingredient used to create fresh, woody aromas. It’s found in cleaning products, air fresheners, and some masculine colognes. This molecule matters because it provides a crisp,…
Woody · Green 1H-Indene CAS 95-13-6 Origin synthetic Note Top IFRA Use with awareness Data as of: Apr 2026 What Is 1H-Indene? 1H-Indene is a synthetic aromatic hydrocarbon used in perfumery for its sharp, camphoraceous odor. Found in coal tar and petroleum, it’s chemically modified to create fragrance ingredients. It matters because it adds piercing…
