Aromachemicals

Green · Woody 1,3-Undecadien-5-yne CAS 166432-52-6 Origin synthetic Note Top to middle IFRA Use with awareness Data as of: Apr 2026 What Is 1,3-Undecadien-5-yne? 1,3-Undecadien-5-yne is a synthetic fragrance ingredient used in niche perfumery. It’s a rare alkyne-diene compound that contributes unique green-metallic nuances. This molecule is typically found in avant-garde fragrances pushing olfactory boundaries….

Sweet · Citrus 1,3-Propanediol CAS 504-63-2 Origin synthetic Note Carrier IFRA Generally safe Data as of: Apr 2026 What Is 1,3-Propanediol? 1,3-Propanediol is a synthetic ingredient used as a solvent and carrier in fragrances and cosmetics. It helps blend other scent components smoothly while adding minimal odor of its own. This odorless liquid is valued…

Green · Woody 1,3-Nonanediol acetate (mixed esters) CAS 1322-17-4 Origin synthetic Note Middle IFRA Generally safe Data as of: Apr 2026 What Is 1,3-Nonanediol acetate (mixed esters)? 1,3-Nonanediol acetate is a synthetic fragrance ingredient used in perfumes and personal care products. It contributes fresh, green, and slightly fruity nuances to formulations. This molecule helps create…

Green · Woody 1,3-Diacetoxynonane CAS 63270-14-4 Origin synthetic Note Middle IFRA Generally safe Data as of: Apr 2026 What Is 1,3-Diacetoxynonane? 1,3-Diacetoxynonane is a synthetic fragrance ingredient primarily used in perfumery for its unique olfactory properties. It’s found in some niche fragrances and functional products. This compound contributes depth and longevity to fragrance compositions, acting…

Sweet · Woody 1,3-Butanediol, 1,3-diacetate CAS 1117-31-3 Origin synthetic Note Base IFRA Use with awareness Data as of: Apr 2026 What Is 1,3-Butanediol, 1,3-diacetate? 1,3-Butanediol, 1,3-diacetate is a synthetic fragrance ingredient primarily used in industrial applications and some niche perfumery. It’s rarely encountered by consumers directly. This compound serves as a versatile building block in…

Green · Woody 1,3,5-Undecatriene CAS 16356-11-9 Origin synthetic Note Top IFRA Use with awareness Data as of: Apr 2026 What Is 1,3,5-Undecatriene? 1,3,5-Undecatriene is a synthetic fragrance ingredient primarily used in perfumery to create fresh, green, and slightly woody scent profiles. It’s found in some modern floral and citrus fragrances. This molecule contributes a crisp,…

Woody · Sweet 1,2-Octanediol CAS 1117-86-8 Origin synthetic Note None IFRA Generally safe Data as of: Apr 2026 What Is 1,2-Octanediol? 1,2-Octanediol is a synthetic ingredient primarily used as a preservative booster and moisturizer in skincare products. You’ll find it in creams, lotions, and serums where it helps extend shelf life while providing hydration. This…

Sweet · Citrus 1,2-Hexanediol CAS 6920-22-5 Origin synthetic Note Non-aromatic IFRA Generally safe Data as of: Apr 2026 What Is 1,2-Hexanediol? 1,2-Hexanediol is a synthetic ingredient primarily used as a solvent and humectant in cosmetic formulations. Consumers encounter it in skincare products like moisturizers and serums where it helps retain moisture. While not a fragrance…

Woody · Spicy 1,2-Dimethoxybenzene CAS 91-16-7 Origin synthetic Note Middle IFRA Generally safe Data as of: Apr 2026 What Is 1,2-Dimethoxybenzene? 1,2-Dimethoxybenzene is a synthetic aromatic compound used in perfumery to create warm, woody-spicy accords. You might encounter it in niche fragrances or as a supporting note in modern woody compositions. This ingredient matters because…

Green · Woody 1,2-Benzisothiazol-3(2H)-one CAS 2634-33-5 Origin synthetic Note N/A IFRA Use with awareness Data as of: Apr 2026 What Is 1,2-Benzisothiazol-3(2H)-one? 1,2-Benzisothiazol-3(2H)-one is a synthetic preservative commonly found in industrial products like paints, adhesives, and some personal care items. It prevents microbial growth in water-based formulations. This ingredient matters because it extends product shelf…