Aromachemicals

Sweet · Floral 5-Hydroxy-7-decenoic acid delta-lactone CAS 25524-95-2 Origin synthetic Note Heart IFRA Generally safe Data as of: Apr 2026 What Is 5-Hydroxy-7-decenoic acid delta-lactone? 5-Hydroxy-7-decenoic acid delta-lactone is a synthetic fragrance ingredient primarily used in perfumery. It is not commonly encountered in everyday products but may appear in niche or artisanal fragrances. This lactone…

Sweet · Balsamic 5-Hydroxy-2,4-decadienoic acid delta-lactone CAS 27593-23-3 Origin synthetic Note Middle IFRA Generally safe Data as of: Apr 2026 What Is 5-Hydroxy-2,4-decadienoic acid delta-lactone? 5-Hydroxy-2,4-decadienoic acid delta-lactone is a synthetic fragrance compound primarily used in perfumery. It’s not commonly encountered in everyday products but plays a specialized role in creating certain scent profiles. This…

Green · Floral 5-Hexen-2-one CAS 109-49-9 Origin synthetic Note Top IFRA Generally safe Data as of: Apr 2026 What Is 5-Hexen-2-one? 5-Hexen-2-one is a synthetic fragrance ingredient with a green, fruity aroma. It’s primarily used in perfumery to add fresh, leafy nuances. You’ll encounter it in some modern citrus and floral fragrances where a crisp,…

Sweet · Musky 5- and 6-Decenoic acid CAS 72881-27-7 Origin synthetic Note Heart to base IFRA Use with awareness Data as of: Apr 2026 What Is 5- and 6-Decenoic acid? 5- and 6-Decenoic acid is a synthetic fragrance ingredient with a distinctive fatty, waxy character. It’s primarily used in perfumery to create creamy, milky, or…

Green · Woody 5,6,7,8-Tetrahydroquinoxaline CAS 34413-35-9 Origin synthetic Note Heart IFRA Use with awareness Data as of: Apr 2026 What Is 5,6,7,8-Tetrahydroquinoxaline? 5,6,7,8-Tetrahydroquinoxaline is a synthetic aroma chemical used in niche perfumery. It’s found in some modern fragrances seeking unusual earthy-green effects. This ingredient matters because it offers perfumers a unique tool for creating complex,…

Woody · Floral 4-t-Amylcyclohexanone CAS 16587-71-6 Origin synthetic Note Middle IFRA Generally safe Data as of: Apr 2026 What Is 4-t-Amylcyclohexanone? 4-t-Amylcyclohexanone is a synthetic fragrance ingredient used in perfumes and personal care products. It contributes to modern, clean scent profiles often found in laundry detergents and air fresheners. This molecule matters because it helps…

Woody · Balsamic 4-Tricyclodecylidene butanal CAS 30168-23-1 Origin synthetic Note Base IFRA Use with awareness Data as of: Apr 2026 What Is 4-Tricyclodecylidene butanal? 4-Tricyclodecylidene butanal is a synthetic fragrance ingredient used to add woody, amber-like depth to perfumes. Consumers encounter it in high-end personal care products and fine fragrances. This molecule matters because it…

Green · Woody 4-Thujanol CAS 546-79-2 Origin synthetic Note Top to middle IFRA Professional use Data as of: Apr 2026 What Is 4-Thujanol? 4-Thujanol is a synthetic fragrance compound rarely encountered in consumer products, primarily used in niche perfumery. It contributes fresh, herbal nuances to compositions. This ingredient matters as a subtle modifier that can…

Woody · Green 4-Penten-1-one, 1-spiro[4.5]dec-7-en-7-yl- CAS 224031-70-3 Origin synthetic Note Middle IFRA Professional use Data as of: Apr 2026 What Is 4-Penten-1-one, 1-spiro[4.5]dec-7-en-7-yl-? 4-Penten-1-one, 1-spiro[4.5]dec-7-en-7-yl- is a synthetic fragrance ingredient primarily used in professional perfumery. It is not commonly encountered in consumer products outside of fine fragrances. This molecule contributes unique olfactory characteristics that are…

Green · Woody 4-Penten-1-one, 1-spiro[4.5]dec-6-en-7-yl- CAS 224031-71-4 Origin synthetic Note Middle IFRA Use with awareness Data as of: Apr 2026 What Is 4-Penten-1-one, 1-spiro[4.5]dec-6-en-7-yl-? 4-Penten-1-one, 1-spiro[4.5]dec-6-en-7-yl- is a synthetic fragrance ingredient used in niche perfumery. It contributes unique woody-green notes with subtle fruity undertones. Encountered in avant-garde fragrances seeking unconventional aroma profiles. This molecule matters…