Fragrance ingredient reference pages
Woody · Balsamic 2-Methylnaphthalene CAS 91-57-6 Origin synthetic Note Base IFRA Use with awareness Data as of: Apr 2026 What Is 2-Methylnaphthalene? 2-Methylnaphthalene is a synthetic aromatic compound primarily used in industrial applications and some niche fragrances. It’s rarely encountered directly by consumers but may appear in complex woody or smoky accords. This ingredient matters…
Green · Woody 2-Methylbenzoxazole CAS 95-21-6 Origin synthetic Note Top to Middle IFRA Generally safe Data as of: Apr 2026 What Is 2-Methylbenzoxazole? 2-Methylbenzoxazole is a synthetic aromatic compound used in perfumery to add green, nutty, and slightly woody nuances. It’s found in trace amounts in some roasted foods but is primarily manufactured for fragrance…
Woody · Citrus 2-Methyl-2-propanol CAS 75-65-0 Origin synthetic Note Not applicable IFRA Use with awareness Data as of: Apr 2026 What Is 2-Methyl-2-propanol? 2-Methyl-2-propanol, commonly known as tert-butanol, is a synthetic alcohol primarily used in industrial applications and laboratory settings. While not typically found in consumer products, it may appear in some specialized cleaning agents…
Green · Sweet 2-Methyl-2-pentenal CAS 623-36-9 Origin synthetic Note Top IFRA Generally safe Data as of: Apr 2026 What Is 2-Methyl-2-pentenal? 2-Methyl-2-pentenal is a synthetic fragrance ingredient used to add green, fruity, and slightly metallic nuances to perfumes. It’s often found in modern floral and fruity fragrances. This aldehyde contributes freshness and lift to top…
Woody · Balsamic 2-Isobutylquinoline CAS 93-19-6 Origin synthetic Note Middle to base IFRA Use with awareness Data as of: Apr 2026 What Is 2-Isobutylquinoline? 2-Isobutylquinoline is a synthetic fragrance ingredient that adds a leathery, earthy character to perfumes. You’ll encounter it in bold masculine fragrances and niche leather accords. This molecule matters because it creates…
Green · Floral 2-Hexylidenehexanal CAS 13019-16-4 Origin synthetic Note Top to middle IFRA Generally safe Data as of: Apr 2026 What Is 2-Hexylidenehexanal? 2-Hexylidenehexanal is a synthetic fragrance ingredient used in perfumes and scented products to add fresh, green, and slightly floral nuances. It’s often found in modern floral and citrus compositions. This molecule matters…
Musky · Balsamic 2-Ethylbutyric acid CAS 88-09-5 Origin synthetic Note Middle IFRA Use with awareness Data as of: Apr 2026 What Is 2-Ethylbutyric acid? 2-Ethylbutyric acid is a synthetic fragrance ingredient used in perfumes and flavorings. It contributes a sharp, cheesy note that can enhance fruity or dairy accords. This molecule matters because it’s a…
Sweet · Woody 2,3-Diethylpyrazine CAS 15707-24-1 Origin synthetic Note Top to Middle IFRA Use with awareness Data as of: Apr 2026 What Is 2,3-Diethylpyrazine? 2,3-Diethylpyrazine is a synthetic aroma compound that creates nutty, roasted, and earthy scents. You’ll find it in fragrances that aim to evoke coffee, chocolate, or toasted nuts. This ingredient matters because…
Balsamic · Woody 1-Methylnaphthalene CAS 90-12-0 Origin synthetic Note Base IFRA Professional use Data as of: Apr 2026 What Is 1-Methylnaphthalene? 1-Methylnaphthalene is a synthetic aromatic compound primarily used in industrial applications and some niche fragrances. It’s not commonly encountered in everyday consumer products. This ingredient matters in perfumery for adding smoky, tar-like nuances to…
Woody · Floral 1-Cyclohexylethanol CAS 1193-81-3 Origin synthetic Note Middle IFRA Generally safe Data as of: Apr 2026 What Is 1-Cyclohexylethanol? 1-Cyclohexylethanol is a synthetic fragrance ingredient used in perfumes and household products. It contributes a clean, slightly floral-woody scent. Consumers encounter it in fabric softeners, detergents, and some personal care products. This versatile molecule…
